Cannabis Seed Resources – The GN Seed Hub

Welcome to the Cannabis Seed Hub

Buying seeds is easier than ever thanks to the web. But do you want feminized, autoflower, or regular seeds? Are you more interested in a Sativa, Indica, or Hybrid? And which seed companies are trustworthy? How can you make sure you're getting what you pay for, or that your seeds will arrive at all?

These are common questions when purchasing cannabis seeds and we've got some answers and recommendations to help you buy safely. We've also got the educational resources to help you through every step of your cannabis grow.

Sproutways - The Genetics Marketplace

Founded in late 2018, Sproutways’ mission is to provide METRC compliant, high-quality cannabis and hemp genetics to commercial and home growers in California. Today, the Sproutways genetics library exceeds 2,500 strains consisting of landrace, heirloom, and hybrid genetics, several of which are multiple cup winners. The Sproutways Genetics Marketplace brings breeders, nurseries, and growers together with a team of marketing, operations, and technologists to create an online marketplace where cannabis and hemp growers can legally source the right genetics for their particular requirements. As a certified METRC integrator, the Sproutways Marketplace provides the required data to monitor and enforce compliance efficiently.
Cannabis Seed

How to grow cannabis from Seeds

Growing cannabis from seeds is easier than you might think. Check out this list of things you'll probably need with some additional tips!

  1. Cannabis Seeds
  2. Cannabis seeds, or "genetics," are the first thing you need if you want to grow cannabis. You can purchase cannabis seeds through our trusted vendors, a vendor of your choice, or you can even get seeds from other growers. Just be sure to check out legal restrictions in your area.

    Feminized Seeds - Plants that have been treated, usually with colloidal silver, to ensure the seeds they produce are female.

    Regular Seeds - Cannabis seeds that flower in response to a change in photoperiod. When purchased, expect a mix of male and females due to the 1:1 sex ratio of regular cannabis seeds.

    Autoflower Seeds - Cannabis seeds that flower in response to their age, not to a change in photoperiod

  3. How to Germinate & Propagate Cannabis Seeds
  4. Germination refers to that early time post plant when your cannabis seeds pop their tap roots. Seeds CAN be germinated in their pot but many growers like to supervise the germination process to assure maximum germination rate.

    Alternatives to germinating in a pot include Paper Towel germination, germiniating in a cup of water, or even starting with specialized pods in a small greenhouse dome.

  5. Cannabis Grow Media
  6. Soil is a popular choice for growing cannabis. There are a variety of soils on the market to choose from but you don't want to go cheap just to save a little money. Discount soils can often contain cannabis pests or diseases.

    In addition to traditional soils some growers grow in a soil substitute such as coco coir or with soil additives such as vermiculite.

  7. How to Water Cannabis
  8. Plants need water and cannabis is especially thirsty. Make sure you go easy on the water in the seedling stage as it's easy to drown these girls if they get overwatered.

    There are a variety of watering strategies including hand-watering and automated watering. An automated system can take the guess work out of your grow, though continued monitoring is important to make sure your plants don't get too dry.

    You'll also want to make sure your water is pure. Most growers choose to go with filtered water or even reverse osmosis water. The important thing is that your water is clean and free of additives and chemicals that could hurt your cannabis plants. Be sure to check the pH level of your water too, before and after adding your nutrients.

  9. Cannabis Nutrients
  10. While many soils come with nutrients already in the soil, it's better to start with an inert media and add your own nutrients. These macro and micro nutrients are available from a variety of retailers in their ready to use form. Many growers like to purchase the constituent parts and build their own nutrient regimen.
    Cannabis Macro Nutrients - Nitrogen, Potassium, Calcium, Magnesium, Phosphorus, and Sulfur
    Cannabis Micro Nutrients - Chlorine, Iron, Boron, Manganese, Zinc, Copper, Molybdenum, and Nickel

  11. Cannabis Lighting
  12. There are a wide variety of grow lights you can use for cannabis. If you're growing outdoors, no additional light is needed, the sun gives you all you need assuming you're not at an extreme latitude.

    If you are growing indoors you have the choice of the type of light you'd like wether it's CMH, HPS, or even LED. Most growers swear by their light of choice and a few years ago, very few would even THINK about using LEDs, however, advances in LED technology have made them a valuable piece of equipment among hobby growers and professionals alike. An additional pro for LEDs is that they use much less energy than traditional cannabis lighting in addition to giving off little heat. That means you'll be able to save money on your grows climate controls.

  13. Cannabis Grow Space
  14. Where are you going to grow? Do you have an outdoor garden? A single room? A closet? Maybe you're considering a grow tent. Either way you need to match your space to to the needs of the plant. A smaller grow space will require smaller plants. Fortunately there are a variety of seed strains perfect for small space growing. How much space will you need? Find out with this grow tent configurator.

Need grow supplies? We recommend our friends at GrowersHouse! The leading online retailer for all your hydroponic growing needs!

Free Cannabis Grow Courses

Are you a cannabis pro? Are you a beginner? Either way we've got free courses that will help you take your craft to the next level, no matter what your experience. Check out Growers Network University here!
Commercial Cultivation Course
Beginner Grow Course with Jack - Grow from Seed to a Big Bag of Weed!
Commercial Cannabis Harvest Course
Commercial Cannabis IPM Course

Find the best cannabis seeds! Feminized, autoflower, regular and more!


What are feminized seeds?

Feminized seeds are obtained from plants that have been treated with colloidal silver or silver thiosulfate. This process forces the germinating seed to develop as a female, which is good for growers.

Are there advantages to feminized seeds?

Absolutely! Feminized seeds take the guess work out of the number of seeds you need to germinate, and you won't have to worry about males pollinating your ladies, which will significantly decrease the quality and yield of your harvest.

What are autoflowering seeds?

Unlike regular seeds, autoflower seeds have been crossed with the ruderalis cannabis species which forces them to flower when they're old enough, not in response to the light duration. This will take the guess work out of when to switch from veg growth to flowering in your grow.

Is it safe to order seeds through the mail?

People always wonder about the legal risk of purchasing cannabis seeds through the mail. Legitimate seed vendors (including those we recommend) ship discreetly to most locations. Seeds can be stopped by customs, but this doesn’t happen often. You also want to make sure that wherever you decide to purchase your seeds will also ship to your country. This information should be transparent and available on the vendor’s website.

Where can I buy seeds safely?

There are a number of good seed vendors out there. Our recommendations are established companies with great customer reviews so you know you’re purchasing quality seeds.

Beware of Seed Scams

If you’re contacted via social media to purchase seeds, chances are you’ve been targeted for a scam. We recommend using established cannabis seed vendors such as those we recommend above.

Questions you should ask before purchasing cannabis seeds online

Do you recognize the name of the company name?
Branding goes a long way and a recognized, established brand is something to consider when purchasing seeds online.

What are customers saying in their reviews? Did they receive their seeds? Were they high quality?
Researching these questions will increase your chances of being happy with your seed purchase.

Do you know anybody who has used them as their supplier?
Word of mouth recommendations are very powerful in the cannabis community. Someone else's first hand experience can be helpful if you aren't sure about which brand of seeds to purchase.

What’s their return or refund policy?
A good seed shop should at least have generally positive reviews and a well-defined refund or exchange policy.

Assessing Seed Health

A good seed vendor should only ship out quality seeds. Here is what to look for when you receive your seeds to assess their overall health.

  • Dark color with stripes or spots (white or green seeds are too immature to sprout).
  • Waxy, shiny coating: While not critical, this is a sign that the seed is healthy.
  • 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.
  • 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.

find seeds by strain

Feminized Regular Seeds:
AK – 47 Feminized Seeds, American Haze Feminized Seeds, Amnesia Feminized Seeds, Animal Crackers Feminized Seeds, Blueberry Kush Feminized Seeds, Bruce Banner Feminized Seeds, Bubba Kush Feminized Seeds, Chemdog #4 Feminized Seeds, Cinderella 99 Feminized Seeds, Critical Kush Feminized Seeds, Diesel Feminized Seeds, Durban Poison Feminized Seeds, Forbidden Fruit Feminized Seeds, Gelato Feminized Seeds, Girl Scout Cookies Feminized Seeds, Grape Ape Feminized Seeds, Great White Shark Feminized Seeds, Green Crack Feminized Seeds, Jack Herer Feminized Seeds, Mazar Feminized Seeds, Mexican Haze Feminized Seeds, OG Kush Feminized Seeds, Pineapple Express Feminized Seeds, Power Plant Feminized Seeds, Purple Kush Feminized Seeds, Skunk Kush Feminized Seeds, Skywalker OG Feminized Seeds, Super Silver Haze Feminized Seeds, Trainwreck Feminized Seeds, Wedding Cake Feminized Seeds, White Widow Feminized Seeds

Auto-Flowering Feminized Seeds:
Afghan Auto-Flowering Feminized Seeds, AK Auto-Flowering Feminized Seeds, Blueberry Auto-Flowering Feminized Seeds, Bubble Gum Auto-Flowering Feminized Seeds, Candy Kush Auto-Flowering Feminized Seeds, Cheese Auto-Flowering Feminized Seeds, Cream Auto-flowering Feminized Seeds, Critical Purple Auto-Flowering Feminized Seeds, Gorilla Glue Auto-Flowering Feminized Seeds, Haze XL Auto-Flowering Feminized Seeds, Hindu Kush Auto-Flowering Feminized Seeds, Kush XL Auto-Flowering Feminized Seeds, Northern Lights Auto-Flowering Feminized Seeds, Pineapple Auto-Flowering Feminized Seeds, Skunk Auto-Flowering Feminized Seeds, Sour Kush Auto-Flowering Feminized Seeds, Tangerine Dream Auto-Flowering Feminized Seeds