How to Grow Cannabis 219 – Integrated Pest Management

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In this article, Growers Network discusses the basics of Integrated Pest Management as a solution to pest control in your grow operation.

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

Let’s get integrated!

Integrated Pest Management (IPM) is a tested and effective approach to pest control that takes an environmentally sensitive, common sense approach to dealing with pest infestations. IPM uses a variety of strategies that focus on the pest life cycle and its interaction with the environment. Gone are the days of indiscriminate spraying of pesticides that, when relied upon exclusively, can actually make an infestation worse in the long term. The underlying goal of IPM is to control pests economically while at the same time posing the least amount of damage to people, property, and the environment.

ipm

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How does IPM work?

IPM is more than a single method or strategy. As previously mentioned, it’s a combination of monitoring, data collection, and reporting that inform pest management decisions. IPM typically utilizes the following approach, made up of four parts.

  1. Action Thresholds: Determine at what level a species becomes a problem. This could be at a certain amount of crop loss or economic damage.
  2. Monitoring/Identification: What pests are present and in what kind of numbers? How do we identify the pest and watch for it?
  3. Prevention: Manage space/environment to prevent infestations. This could be as simple as changing into work clothes on-site, or as complex as a negative pressure design to remove pathogens from a facility or room.
  4. Control: When necessary, apply the least harmful technique available to reduce pests. By least harmful, we mean the fewer harmful chemicals used, the better.

Let’s talk about each of these in a bit more detail...

1. Action Thresholds

An action threshold simply means determining what level of a pest species is acceptable before an action needs to be taken. Determining the level that the pest becomes economically harmful is important for determining specific pest control decisions. While pre-IPM strategies might involve a regularly scheduled application of pesticide, determining action thresholds saves money and is better for the environment. An action threshold is essentially a cost/benefit analysis. If there is some minor damage from a grasshopper or two that snuck into the facility, we don’t need to overreact and spray the whole facility.

2. Monitoring/Identification

Not every organism you find is going to require control due to the fact that they don’t cause harm. You can understand how wasteful and irresponsible it would be to treat a harmless species as an “infestation.” By determining which species are present and in what numbers, you can determine what action should be taken, if any. This goes hand in hand with the action thresholds; through monitoring known pests, we can know when it’s appropriate to apply the safest, most effective, and most appropriate control strategy.

pest id

3. Prevention

By managing the environment, we can prevent some infestations from becoming a threat at all. This might include specific strategies such as using pest resistant crop strains and rotating crops, but it can also include things like sealing up windows and cracks, removing debris that could attract pests to your location in the first place, or keeping humidity low to prevent fungal outbreaks. For example, moving a woodpile away from a building will reduce the chance of a termite infestation.

4. Control

If the monitoring/identification protocols inform us that our action threshold has been met, it’s time to implement a control. A good IPM program will then employ the most effective control strategy that also present the least amount of risk. This may include something as simple as hand picking individual pests from plants and using highly targeted viruses that disrupt the pest life cycle. Another strategy would be the introduction of a beneficial insect species or microbe that would combat an infestation naturally (IE Ladybugs v. Aphids). If continued monitoring determines that the less risky control methods aren’t working, a targeted pesticide might be used, and if all else fails, a broadcast spraying of a more general pesticide may be used, but typically this is only done if all else fails.

control

There you have the basics of IPM. As you plan/implement your grow operation, you should definitely be incorporating these types of practices. Not only will you help the environment and save money on chemical treatments, but you’ll be able to combat pests before they really start to BUG you.

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How to Grow Cannabis 153 – Introduction to Bud Rot

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In this how-to article, Growers Network explains what bud rot is and how you can prevent it.

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

One Rotten Bud to Spoil the Bunch

Hello new grower. Today we’re going to cover a topic that we hope you can avoid rather than deal with, and that topic is a fungus called Botrytis cinerea, commonly referred to as “bud rot” and in other industries is referred to as “gray mold,” and in certain applications of winemaking, a little of this type of rot is actually beneficial.

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But we’re not talking about making wine. We’re talking about growing cannabis, and when it comes to cannabis, bud rot is always bad. Understood? Okay, let’s deal with some bud rot!

apples
That old saying about bad apples? It applies to your buds too.

Bud Rot: What is it?

Bud Rot is a fungus that affects the flowers (buds) of your cannabis plant. It begins growing on the stem inside the bud and spreads outward, and as a result it can be very hard to detect. As bud rot grows, it destroys the surrounding bud, eventually producing spores to transmit to nearby buds, turning what remains into slimy mush in the process.

Note: It’s important to note that infected buds are not safe for consumption and should be disposed of immediately.

rot
Meet bud rot. This fungus destroys Cannabis flowers.

How to Prevent Bud Rot

As mentioned above, bud rot is a fungus, so if we control the conditions that allow fungus to thrive, we can greatly reduce the chance of an outbreak. Below is a short list of bud rot’s favorite things:

1. Humidity

  1. Fungi needs a high humidity to thrive. Keep your humidity around or below 50% RH to prevent bud rot.
  2. Remove any standing water that can evaporate and raise the humidity around your plants.
  3. Do not spray any liquid water directly onto your leaves or buds.
  4. Consider a dehumidifier to continuously remove excess moisture from the air.

2. Cool Temperatures

  1. Cool temperatures are an invitation for bud rot, particularly if there’s humidity or excessive water.
  2. Temps should be kept at a minimum of 70 degrees Fahrenheit (21 degrees Celsius) to prevent bud rot.

thermometer

3. Stagnant Air

Bud rot tends to take hold in environments with very little air flow, and good circulation of air will go a long way toward prevention. Use a fan to generate continuous air flow.

Is Bud Rot Treatable?

Unfortunately there is no treatment to cure bud rot. This is why prevention is so important. If you discover bud rot in your grow operation, you should remove the affected bud(s), being careful not to let the affected buds come into contact with other buds. You may have to remove an entire plant if the bud rot is widespread. Do not shake or otherwise cause the infected portions to vibrate -- doing so may release spores.

botrytis
Macro view of the fungus Botrytis cinerea or "bud rot"

Well there you have it. Bud rot is serious business. The good news is that you can take steps to prevent it. By controlling the conditions that allow bud rot to develop and spread, you can reduce your chances of an outbreak. Happy growing!

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How to Grow Cannabis 170 – Basics of Curing

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In this how-to-grow article, Growers Network explains the basics of curing Cannabis for the beginning grower.

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

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Welcome back beginning grower! Today we’re going to talk about how to cure your Cannabis.

Cure? What do you mean? Is it sick?

No! Not what we mean by cure here. Curing Cannabis is a prolonged process of drying your buds in a controlled environment.

Wait, didn’t I already dry this stuff?

Yes, an initial drying comes before the cure, but curing is a different part of the cultivation process, and there are some good, practical reasons for putting in the extra time for the cure. What are they? Glad you asked!

bud

Why Cure Your Cannabis?

There are three major reasons experienced growers recommend curing your Cannabis:

  1. Increased Potency - Curing Cannabis gives time for compounds to be converted into new forms and percentage blends.
  2. Flavor/Smoke quality- slow curing improves the flavor of your Cannabis by assuring the terpenes (natural smell and flavor chemicals) don’t evaporate away the way they will in a fast dry (See: Volatile Organic Compounds). The flavor is also improved by allowing for the breakdown of any remaining chlorophyll and sugars that can affect the taste of your Cannabis.
  3. Preservation - Curing allows your weed to stay fresh and potent for much longer. By removing excess moisture, your Cannabis can be stored in an airtight container for up to two years without a loss of potency.

So now you know the whys, but what about the hows? Buckle up because here we go!

buckle

How to Cure Your Cannabis

Curing takes place after your initial drying and trimming, which if you read our trimming article, you know that you can trim before OR after the initial dry, and there are advantages to either. Regardless of the order you trim in, you will begin the prolonged curing process after drying and trimming your Cannabis.

A note on the initial drying

As previously mentioned, you’re going to do an initial dry of your Cannabis before curing. Ask ten growers how long and under what conditions to dry and you’re bound to get ten overlapping answers because conditions can vary by location. You should plan for 1-2 weeks with a temperature between 60-70 degrees Fahrenheit (15-21 Celsius) and a humidity level between 45 and 55 percent. Remember, your own drying may take a little less or a little more time depending on where you are, so be sure to monitor closely! You don’t want to begin with buds that are too moist.

The Process

So how do you know you’re ready to cure?

When your buds feel dry to the touch and the outside layer is a bit crispy, you’re ready to cure. Small stems will snap under pressure while larger stems will still flex a bit. The fact that these larger stems don’t break means they are still partially hydrated, which is good because we need a little moisture in the stems for the curing process.

The method below calls for wide mouth, quart size mason jars. These jars are airtight, but because they’re clear you’ll need to have a dark place (closet, cupboard) to keep your buds during the cure. You can fill the jars with your buds, but don’t pack them too tightly, as they need air to “breathe”. If you prefer something airtight that’s also it’s own dark space, you may be interested in a curing bucket or a CVault storage container.

jar
Jars like these. Except yours will contain weed, not fruit.

Short Cure -- Keep the buds in the jars for 2-4 weeks

After your initial dry, your buds are going to smell like fresh cut grass and if you smoke them that’s about what they’d taste like. Cannabis curing is going to take care of this, while bringing out the more subtle flavors and smells you want from your buds. Additionally, this first stage cure is going to make for a much smoother smoke and can increase the potency of your harvest.

After you’ve put your buds in the jars and placed them in a dark place for curing, there’s really not much to do but monitor the process. Check your buds by opening up the jars at least once a day. This is crucial during the beginning of the process since we don’t want the remaining moisture to facilitate mold growth. If your buds feel wet or moist when you check them, leave the jar open for 20 minutes to 1 hour (or until the buds are dry to the touch).

mold
Mold can be pretty, but you don't want it on your plants

When curing, some growers recommend removing the buds from the jars completely and placing on a screen to dry. Either way, when the buds are dry you can close up the jars and put them back in the dark. Never put the buds back wet, because that’s how you get mold.

It should be mentioned that it’s normal for your buds to feel wet periodically through the first stage of curing. This is a good thing because it means you didn’t overdry your buds during the initial drying process. However, the fact that there is moisture means you will have to regularly monitor and “burp” your jars.

Important Note: If you open your curing jar and smell ammonia, your buds are not dry enough to begin curing. Remove these from the jar and resume your initial drying until your buds are dry enough for curing.

ammonia

Two weeks is considered the minimum amount of time for curing, but many growers cure longer. The important part of a short cure is opening your jars regularly for the first 2-3 weeks. This can’t be stressed enough.

Now that you know about a short cure, you may wonder, “is there a benefit to curing longer than the recommended 2-4 week short cure?” Glad you asked new grower! Aren’t you smart?

Long Cure -- Keep buds in the jars for 4 weeks to 6 months

Most growers are going to recommend a cure beyond 4 weeks. A longer will cure will result in more potent buds and an increased smoothness of the smoke. A longer cure will also bring out additional subtle flavors and smells from your buds.

A long cure isn’t that different from a short cure, just longer (duh) and with a smaller premium on the monitoring. It’s still a good idea to check your buds from time to time but you can generally let your guard down a bit with regard to mold growth. If you choose this longer cure, you can sample your buds periodically and note any differences in flavor, smell, and potency for yourself.

pipe

Keep in mind that a longer cure will likely result in a color change in your buds. Don’t be alarmed if those greens and purples fade a bit, you haven’t lost anything by way of potency or flavor.

All right new grower! Now you know the basics of Cannabis curing. Make sure to check out or other articles on more advanced methods.

Happy curing!

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How to Grow Cannabis 122 – Genetics: Clones

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In this How to Grow Cannabis article, Growers Network continues the discussion of genetics with an introduction to clones and cuttings.

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

What are Clones?

If you read our How to Grow Cannabis 121 article (about seeds), you’ll remember that we briefly mentioned clones as a source of genetics, and that we’d get to them later. Well, it’s later. Here we go.

clones
Again, not these kind of clones

Cloning Basics

A Cannabis clone is an plant grown directly from a cutting of a “mother” plant, and as a result it is genetically identical to the parent plant. We create clones from mother plants via the following steps.

  1. Take a cutting from mother
  2. Plant the cutting in medium with a rooting hormone and follow-up with rooting stimulant
  3. Transplant the cutting when roots are established

There are several great advantages to cloning versus growing from seeds. Cloning from a known “mother” is going to (generally) assure female plants, which is you want for the biggest and best flowers. Cloning also allows you to reproduce the exact characteristics that a desirable mother plant may have, without the variation you’d get from seeds. While there are clear advantages to using clones, it really depends on what you want from your grow.

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Let’s talk a little bit more about the steps involved:

1. Cutting

Without getting too technical (there will be time for that in later articles), a cutting is made from removing a low growing branch from the mother plant. The cut end of the small branch is where the new roots will develop. The cut end is placed into water to avoid air bubbles getting into the stem, which will hinder new growth.

cutting
A "cutting" for a clone

2. (Re)Plant in a Medium

The cutting is then typically given a rooting hormone to help stimulate the formation of new roots. The cutting is then placed into a rockwool cube or other growing medium and kept in a humid environment while the new roots develop from your cutting. Typically, to keep the environment humid, the clones are placed into plastic domes that are kept warm and moist. Clones should be ready for transplant in 10-14 days but be sure to visibly inspect your roots before you transplant.

cloning materials
Rockwool cube, coco medium, and cloning hormone (not to scale)

3. Transplanting

When the roots have been established, you can transplant your new clones into a larger container for continued growth. The added space allows the roots to spread and for plant growth to really take off. Once you’ve transplanted the clone and it continues growing successfully, you have entered the vegetative state.

transplant
A good-looking clone ready for transplant. Note the healthy roots

So there you have a very basic introduction to Cannabis clones. Please be sure check out the other “How to grow Cannabis" articles, including our further reading on intermediate and advanced genetics. In future articles we’ll also discuss the specifics of how to take cuttings and properly root the cuttings.

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How to Grow Cannabis 162 – Trimming

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In this How to Grow series article, Growers Network discusses the whys and hows of trimming your Cannabis flowers after harvest.

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

How to Grow 162 - Trimming

It’s the moment you’ve been waiting for. It’s time to snip those buds from your plants and get them ready for the world. But you may notice that your buds don’t look as pretty and well kempt as the ones you’re used to. Fear not, new grower. Your buds just need a little “manicure.”

Keep in mind that this article is meant to be a basic guide to trimming. There are a few of methods and techniques available related to trimming, but at this time we’ll just go over the basics of what a new grower needs to know.

Author’s Note: ALWAYS be aware of the legality of Cannabis and Cannabis products in your region. Don’t get yourself in trouble with the law!

scissors

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Why Trim?

Is trimming even necessary? Good question, and while the answer is technically “no,” there are a number of benefits to trimming your buds that will make you wonder why anyone would NOT do it. Granted, it can be a little time-consuming, but in the end it’s worth it.

Benefits of Trimming

A Better Consumption Experience

  1. The sugar leaves around your buds have a lower concentration of trichomes than the buds. Removing them allows you to create a more powerful and uniform consumption experience.
  2. When cured, trimmed buds have a more consistent moisture content which is going to make for a better tasting smoke and less ash.
  3. Smoke inhaled from burning the leaves is going to be much harsher and take away from the smoking experience.

Appearance

Another reason to trim your buds is aesthetics. You want them to look nice, and nice-looking buds typically have the leaves and other excess plant materials removed. This may seem like a superficial reason, but the fact is that people like and expect attractive buds.

bud

Some of the Trim Has Value

Though some of the trim you remove is essentially garbage, the sugar leaves around your buds are full of trichomes that you can use for making hash, butter, and other Cannabis extracts, which we’ll cover how to make in a future article. Definitely worth saving!

butter

Wet Trimming vs Dry Trimming

Before we deal with the basics of how to trim we should talk a little bit about the difference between the “wet” and “dry” methods of trimming.

Wet Trimming

This method is often recommended for the novice grower and simply means you trim the buds before drying. You cut your branches from the plant and immediately begin your trim. This method allows easier access to the stem of each bud as well as the base of the sugar leaves. Another benefit to this method is a reduced chance of mold. Since post-harvest molds tends to grow between the stalk and the bud, wet trimming helps you avoid this.

Wet trimming is an overall faster process than dry trimming, but remember: you’ll still need to dry your buds when you’re done with the wet trim!

Dry Trimming

This method is recommended for growers who want to slow the drying process. Dry trimming advocates argue that the slower drying results in a more pleasant smoke. A downside to this method is that the leaves around your buds have also dried and are more difficult to remove efficiently. This is considered a more nurturing method than wet trimming, but it'll be up to you to see decide just how much you care and if the extra time is worth it.

How to Trim

table

Before you begin you’ll need a few supplies. Sharp, pointed scissors are a must. You’ll also want a clean, flat, non-porous surface to work on and a trimming tray to collect your beautifully manicured buds. Trimming is a time consuming process, so make sure you have a comfy chair and some tunes or something to entertain your ears. Lastly, an apron and gloves are a good idea because trimming is a sticky process and the trichomes will adhere to not only your scissors, but to your hands and clothes tool.

The Process

Initial Cuts

After drying your Cannabis you can begin cutting buds from the stalk of your plant (if you haven’t done this prior to drying). This is done to separate the buds from one another to make each one easier to work with. These cuts will require something stronger than your fine-pointed scissors. A sharp knife or strong pair of gardening scissors should work.

Remove the Fan Leaves

When you harvest it’s okay to remove the fan leaves at that time. Remember these leaves don’t have any trichomes and you can remove all of them prior to drying your harvest.

fan leaf
Fan Leaf

Trim Those Sugar Leaves

Unlike the fan leaves, sugar leaves are covered with trichomes and definitely worth saving. Set these aside in a tray or baggy and collect them for making hash or infused butter. This part of the process is where you really need those fine-tipped scissors to get at the base of these leaves without cutting into your buds in the process.

sugar leaves
Sugar Leaves. Note the trichomes dusting the leaves

So now you know the basics of trimming your buds. Hopefully we’ve been able to convince you of the benefits. It really is worth the extra effort, not just so your flowers are “pretty,” but for all that extra trim too.

Happy Trimming!

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How to Grow Cannabis 161 – When to Harvest

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In this article, Growers Network discusses how to know when your Cannabis is ready for harvest.

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

How to Grow 161 - When to Harvest?

When is my weed ready to harvest? Great question hypothetical new grower -- and possibly the number 1 thing you’re dying to know -- so let’s jump right in! Harvesting is often a grower’s favorite part of the cultivation process, but knowing exactly when to harvest can be tricky. So when IS the right time to harvest?

While I wish there was some magical formula to help us figure this out, in the end it’s the same as everything else in the growing process: patience, observation, and attention to detail.

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Getting Ready

Typically your buds will be ready for harvest in eight to ten weeks into flowering depending on the strain you’re growing. You don’t want to just go by the calendar, but it’s a good place to start, and it will tell you when to begin looking more closely at the signs that your ladies are nearly ready.

Hey, What’s Your Sign?

Signs can tell you when you’re getting close to harvest time:

  1. Fan leaves yellowing
  2. Stalks thickening
  3. Pistils changing from white to orange

Editor’s Note: The plant is preparing to die, because cannabis is an annual plant. It’s putting everything that’s left in it to reproduce before the winter.

Again, the previous visual cues are a good guide to let you know when you’re approaching peak harvest time, but you’ll want to know with real accuracy and the way you do this is my examining the trichomes on your buds. The what?

What’s a Trichome?

Trichomes are tiny, sticky little “hairs” you’ll find covering your buds and sugar leaves. With the naked eye they look like a layer of frost on your plants, and their color is the best indication of when your buds are ready to cut.

flower
The white "fuzz" you see in this picture are trichomes.

When looking at the trichomes to determine if you’re ready to harvest, you’ll want to use a magnifying lens of some type like a loupe or a microscope, but you want a magnification of 40x-100x to be able to gauge your trichomes accurately. So what are you looking for with these sticky little guys? As mentioned above: Coloration.

Check out the info below for more specifics on trichome color and what it means to your harvest, but please keep in mind that some strains will show more of pink or purple hue than the more traditional amber color (thanks to anthocyanins!). Make sure you do additional research on whatever strain you’re cultivating.

Clear Trichomes

clear trichomes

What do clear Trichomes tell us?

  1. Can see right through the trichomes, or they are hard to see.
  2. Not ready for harvest
  3. Not enough potency/lower yields

50% Milky Trichomes/50% Cloudy Trichomes

clear

What do 50/50 Trichomes tell us?

  1. Somewhat milky looking trichomes
  2. Buds are still growing at this stage
  3. Harvesting at this time results in buds with a more energetic or “speedy” psychoactive effect

Mostly Milky/Cloudy Trichomes

cloudy

What do mostly milky Trichomes tell us?

  1. Hard to see through, still white
  2. Highest THC percentage
  3. Good for elevating mood
  4. Good for pain relief

Cloudy Trichomes turn to Amber

amber

What do amber Trichomes tell us?

  1. White gives way to amber color
  2. More relaxing high for anxiety relief
  3. Less THC
  4. More CBD
  5. Beware of couchlock. Or don’t beware. I’m not your boss!

So there you have it, the basics of harvest readiness. Be sure to look at our articles on trimming and curing your harvest, and be on the lookout for more how-to articles and be on the lookout for the beginner, intermediate, and advanced grower.

Take care of those trichomes!

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How to Grow Cannabis 113 – Considerations for a Small Grow

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In this article, Growers Network introduces a few considerations for the beginning Cannabis grower.

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

Let's Get Small

There are a lot of people who think they want to grow weed legally, but don’t have an idea of where to start or even what questions to ask. They may think that weed is weed and all they need are the seeds and they’ll be good to go. This simply isn’t the case. Not all Cannabis plants are created equal.

confused

Considerations for a Small Grow

SIZE

Because of the way most personal growing laws are worded, the average beginning grower is going to be growing indoors. Your grow space should probably be your biggest consideration when deciding what strains to grow. If you’re cramming plants into a broom closet, they may end up growing at odd angles and misbehaving.

With so many varieties of Cannabis available it can be a bit overwhelming for the new grower (I got a little overwhelmed just researching strains for this article!) Generally speaking, your Indica-dominant hybrids or straight Indicas are shorter, bushier plants. Sativa-dominant plants grow taller and can easily outgrow a small space before they’re even ready to produce flowers. Some sativa-dominant plants can grow to be the size of small trees. Of course, these distinctions are general traits and not always true, so talking to a qualified seed vendor is a good idea.

There are also training techniques that can help keep your plants evenly spaced and equal heights. These methods are known as Sea of Green (SOG) and Screen of Green (SCROG). We will talk more about these methods in a later article.

Do you want to learn how to grow cannabis? Check out Growers Network University!

EASE

For the beginning grower, easy is a good place to start. If you’ve done your research and feel a little nervous about the ins and outs of growing, you may want to consider autoflowering plants.

ernie

You may or not know that Cannabis strains typically flower in response to sunlight. For non-autoflowering plants, early fall days become shorter, resulting in a waning amount of sunlight. These lower sunlight levels triggers the flowering response as the plant realizes it’s time to prepare for the next generation.

Autoflowering strains are different in that they flower simply when they get to the right age, not in response to light. What does this mean to the grower? It simply means that you won’t have to control the photoperiod for your plant to flower. Just keep them healthy and make sure they’re getting enough light to grow and the plants will flower when they’re ready.

TIME

While there isn’t that much difference in flowering time amongst most strains, it’s still something to consider. Most strains are going to flower somewhere between eight and twelve weeks. It really comes down to your personal preference and your level of patience. Is your favorite strain worth waiting another four weeks to enjoy? That’s your call.

thinker

Hopefully we’ve given you a little bit to think about as you approach your new grow experience. The most important thing for you right now is to educate yourself and seek out advice from the experts. There are plenty of them out there and as Cannabis grow in popularity there are going to be more. And who knows? You may be the expert one day!

In the meantime, if you don’t know any experts, apply to join Growers Network today to meet our community of cultivators and experts.

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About the Author

Chris DeWildt is a graduate of Grand Valley State University and Western Kentucky University. He worked in education and publishing for ten years before joining the team at Growers Network. In addition to editing the GN blog, Chris also works on the Canna Cribs series.

How to Grow Cannabis 132 – Seed Germination

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In this part of our How-to-Grow Cannabis series, Growers Network introduces new growers to seed germination and discusses three simple methods to get those seeds a-popping!

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

What’s Poppin’?

Welcome back for another beginner lesson on growing your own Cannabis. If you read the title of the article you already know we’re going to be talking about “germination.” So what is it?

german flag
Hint: It’s not this.

Germination simply refers to the initial stage of plant development where the taproot “pops” from a dormant seed and begins taking in nutrients so the plant can begin developing.

In the wild, seeds germinate naturally, so you may be wondering why we want to worry about it at all. The thing is, not every seed in the wild germinates, and that’s because a few basic needs have to be met before germination can begin. Some of these needs include temperature, moisture level, soil quality, and more.

In Cannabis cultivation, we want to control as much of the growing process as we can, and that starts with germination. It’s not just about getting our seeds to sprout; if we foster the process and observe the results, we can become better growers. We'll talk more about what this information can tell you in a more advanced article.

taproot
These are the taproots of your germinating seeds

Before you begin germinating:

  1. Always be aware of the particular Cannabis cultivation laws in your state or country.
  2. Be sure to start with healthy, mature seeds. If you need a little more information on what makes a seed viable, check out our article on seed genetics article here.

Do you need cannabis seeds? Check out our friends at True North!

Win Free Seeds at True North Seedbank

Germination Methods

Now it’s time to get into the methodology. Keep in mind that no single method will be “better” than any other for germination. In the end it will come down to your own experience and personal preference.

Germinate seeds directly in the soil

To germinate directly in the soil, push a finger into your soil about a knuckle deep (aiming for approximately one half inch or 1.27cm). Cover the seed and keep the soil moist but not saturated. You want to make sure the soil is not too cold, so if you’re growing in a pot, you can use a heating pad or lights to keep your seed nice and warm.

This is the simplest method and, if successful, it’s also the safest for your seeds because it limits direct handling after the seed “pops.” The downside is that you won’t know if you have a dud seed until it doesn’t sprout.

The Paper Towel Method

This method most commonly calls for some paper towels and a plate. Simply sandwich your seeds between two layers of moistened paper towel. Turn your plate over and cover the paper towels. This will help keep the paper towels moist and protect the seeds as well. Check daily and remoisten the paper towels as necessary. Check your seeds after a day or two and when it pops and the taproot emerges, you can plant it in your soil. Use tweezers to move your seeds and avoid touching the taproot, as any damage at this stage may be lethal to the seedling. Insert the seed about a half inch into your soil with the taproot down and cover lightly with the soil. Moisten the soil, but do not oversaturate as it can drown your seed.

paper towel
Germinating seeds on wet paper towel

This method is a bit more complicated, but it’s certainly achievable for the beginner who wants more control of the process. The advantage here is that you know before planting your seeds whether or not they’re duds. This can be especially beneficial if you’re limited in the number of plants you can grow and you don’t want to waste time on duds.

Cup of Water

The last method we’ll talk about is simply placing your seeds in a glass of water and letting them soak. This method is good if your seeds have extra thick coats or are older. It’s been reported that warm water can “wake-up” older seeds and get them germinating faster than the other methods described above. This method will work for any viable seed, but you need to be careful not to soak them too long because even an unopened seed can drowned if left submerged in water too long. It’s recommended that you soak seeds no longer than 24-32 hours.

cuposeeds
Cup O Seeds. Not to be confused with Cup O Soup

So there you have it, three fairly simple options for germinating your Cannabis seeds. Again, none of the aforementioned methods is preferable to any of the others, it’s going to be a matter of what works best for you and your situation.

Be on the lookout for additional “How-to” articles including a more advanced lesson on germination techniques, and a lesson on setting up your own “germination station.”

Happy Popping!

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About the Author

Chris DeWildt is a graduate of Grand Valley State University and Western Kentucky University. He worked in education and publishing for ten years before joining the team at Growers Network. In addition to editing the GN blog, Chris also works on the Canna Cribs series.

How to Grow Cannabis 131 – An Overview of Cannabis Cultivation

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In this article, Growers Network introduces the basic stages of Cannabis propagation and cultivation.

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

Propagation simply means growing plants from a parent stock, whether it be from seeds or clones, and whether we’re talking about corn, wheat, or Cannabis.

Do you Cannabis Seeds? Check out our friends at True North!

Win Free Seeds at True North Seedbank

There are 4 different stages of the Cannabis life cycle and each stage has different nutrient and light requirements. We will get into more specific details about these requirements later, but for now, let’s take a moment to familiarize you with the 4 plant stages of Cannabis propagation.

leafy

Germinating Seeds:1-2 weeks

If you read our Genetics 121 article, you already know that a Cannabis plant starts with a seed. Beginning with quality seeds is important, and the seeds you use should be hard, brown, striped or spotted. Healthy seeds will also be free of cracks and holes. Green or white seeds are underdeveloped and typically will not germinate.

Germination? What’s germination?

Germination is the technical term for the first stage of plant development. During this stage the seed is placed in water and the initial root (or taproot) “pops” from the seed, and this can take anywhere from 24 hours-7 days. Sometimes you’ll hear growers colloquially referring to germination as their seeds being “popped.”

After germination, the seed can be planted. What you will see next are two rounded leaves that will sprout to capture sunlight for your plant’s initial development. Soon after, the first of the iconic Cannabis “fan leaves” will appear. You now have a seedling!

sprouting

Editor’s Note: Seeds don’t actually need to germinate before they are planted. However, germinating the seed outside of its growth medium allows the grower to determine if the seed is viable before they use valuable soil or growth medium on the seed.

Germination Summary

  1. Germination is when the root “pops” from the seed.
  2. You want hard, brown seeds that are free of cracks and holes.
  3. Green or white seeds tend to be non-viable.
  4. When the classic “fan-shaped” leaves appear, you have a seedling.

Seedling Stage: 2-3 weeks

Your Cannabis plant is considered a seedling as it begins to develop its first fan leaves. Fan leaves typically have 5-7 “fingers” but may have more. Your plant is considered a seedling until it begins developing fan-like leaves with the maximum number of “fingers”. During this stage the seedling will be short with dense foliage. Be sure not to overwater at this stage as the roots are still relatively small and don’t need as much moisture as they will later.

Editor’s Note: They are called “fan leaves” due to their resemblance to palm fans.

Seedlings typically need 18-24 hours of sunlight. Disease and mold begin to be a significant threat at this stage as well so be sure to check out our lessons on pest management.

seedling

Seedling Summary

  1. Fan leaves: 5-7 “fingers”
  2. Be careful not to overwater.
  3. Healthy seedlings are short with dense foliage
  4. Be on the lookout for signs of pest infestation
  5. Plants require 18-24 hours of sunlight

Vegetative Stage: 2-8 weeks

You’re going to see accelerated growth during this stage as we will have transplanted the plants into larger pots and they can really get growing! This is also the stage where you’ll begin training your plants and adding an appropriate fertilizer for enhanced growth. Plants can also be sexed during this time, so we can get rid of the males. The vegetative stage is also going to require increased watering. Remember: Cannabis is thirsty!

thirsty
So thirsty.

Vegetation Summary

  1. Plants are transplanted into larger pots and growing faster.
  2. Increased water requirements, make sure soil stays moist!
  3. Nutrient supplements or fertilizer as appropriate.
  4. Plants can be sexed at this time.
  5. Plants require 13-24 hours of sunlight.

Flowering Stage: 6-8 weeks

Now what we’ve been waiting for: Flowering. This is the final stage of the Cannabis grow process and the stage where all your work pays off. The shortened lighting time of this stage is what stimulates flowering in Cannabis strains that are not autoflowering. Trellising is important during flowering because of the added weight of your buds. There are also nutrients available to assist blooming at this stage. When the buds have reached full maturity, you’re ready to harvest!

bud

Flowering Summary

  1. Shortened light exposure time.
  2. Trellis plants to keep them upright.
  3. Blooming additives can be used.
  4. Plants require 12 hour light cycle to flower.

Honorable Mentions

This article has focused on cultivation, but there are a few more steps to get to your finished, smokeable product! Freshly harvested bud will not make a good smoke. You will need to give your buds some time to dry and cure after the harvest, and we will cover both those processes in a future article!

However, now you know the basics of Cannabis cultivation. Be sure to check out our other educational articles covering every step of the cultivation process for the beginning to advanced grower!

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About the Author

Chris DeWildt is a graduate of Grand Valley State University and Western Kentucky University. He worked in education and publishing for ten years before joining the team at Growers Network. In addition to editing the GN blog, Chris also works on the Canna Cribs series.

How to Grow Cannabis 121 – Genetics: Seeds

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In this article, Growers Network introduces Cannabis “genetics” to the new grower.

The following is an article produced by Growers Network. This article is for educational purposes only. We do not claim any responsibility for any legal or financial repercussions of your decisions. Always consult with a lawyer or attorney before making a decision that could have a legal consequence!

Ready to purchase cannabis seeds now? Check out our favorite seed vendor True North Seed Bank.

When beginning a grow, genetics is an important consideration. But what does "genetics" mean? The term might be a little confusing or vague for a new grower, and not just because you may or may not have paid attention in high school biology.

While the term “genetics” does refer to the genetic material a plant contains, we use the term a little more loosely in Cannabis cultivation. Simply put, we’re talking about the things your plants are going to grow from: the seeds or the clones (we’ll talk clones in a future article)

trooper
Coming soon: Clones (not this kind though)

Do you need cannabis seeds? Check out our friends at True North!

Win Free Seeds at True North Seedbank

A “Seedy” Joint

Disclaimer: Cannabis seeds are available from a number of online retailers and brick-and-mortar dispensaries, but ALWAYS check the legality of Cannabis in your state or country before purchasing.

Cannabis seeds are not much different than the seeds you may already be familiar with. There are 3 basic parts of a seed:

  1. The seed coat, which protects the inside of the seed from the environment.
  2. A starchy interior that serves as a source of nutrients for the initial development of the plant
  3. The embryo which contains the cells and genetic material that will grow into an adult plant.

seeds
Cannabis seeds

A real understanding of Cannabis seeds is more than just an anatomy lesson, however. When beginning growers think about seeds, they probably only consider the final outcome of a particular strain they want to grow. While this is definitely important to consider, there are several other considerations that should be made:

Things to Consider

Seed Health

Seed health should always be a primary consideration. The problem is that if you purchase online or by phone, you can’t evaluate the seed health until you have them in hand. Our advice here is to research your vendor beforehand and see what vendor suits you best:

  1. Do you recognize their name?
  2. What are Google Reviews and Yelp saying?
  3. Do you know anybody who has used them as their seed supplier?
  4. What’s their return or refund policy?

Of course you’re still going to want to assess the health of your seeds yourself. So what are looking for? Glad you asked! Here's what you should be looking for:

  1. Dark color with stripes or spots (white or green seeds are too immature to sprout).
  2. Waxy, shiny coating: While not critical, this is a sign that the seed is healthy.
  3. Hard shell: You should be able to apply light finger pressure without the seed cracking. If the seed buckles under light pressure, the seed is either infertile or dead.
  4. No cracks: Healthy seeds will have their seed coat intact without damage. Check for holes too, as insect pests may dig into seeds for the delicious starch.

more seeds

Flowering Variables

Without getting too technical, many strains of Cannabis produce their flowers in response to the amount of light they receive. While this is highly beneficial if you have the time and resources to take advantage of this, many beginning growers do not (or just don’t want to). If you can't control the lighting for your plants, consider auto-flowering strain seeds. When mature, these seeds will flower automatically based on what point they are at in their growth cycle rather than in response to the amount of daily light they receive.

Additionally, different Cannabis strains vary in how quickly they produce their flowers, so you’ll want to consider the anticipated length of your grow as well.

So there you have it. Hopefully you know a little bit more about “genetics” in the context of Cannabis cultivation. Please be on the lookout for part 2 of this series where we’ll talk about another option for your genetics: clones.

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December 10, 2020

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About the Author

Chris DeWildt is a graduate of Grand Valley State University and Western Kentucky University. He worked in education and publishing for ten years before joining the team at Growers Network. In addition to editing the GN blog, Chris also works on the Canna Cribs series.