What is a cannabis seed bank?
A cannabis seed bank is a business that sells or distributes cannabis and hemp seeds to growers. Some operate as breeders who develop their own genetics, while others act as retailers stocking seeds from many breeders. Licensed seed banks sell tested, labeled genetics with documented parent lines and batch codes.
How do cannabis seed banks work?
You browse a catalog, pick a cultivar, and order seeds by mail or buy them in a licensed store. The seed bank takes payment, packages the order discreetly, and ships it under the rules of its jurisdiction. Many banks also publish germination guides, lineage notes, and THC or CBD test data for each release.
Breeders vs. retailers
A breeder creates seeds by crossing parent plants and stabilizing traits across generations. A retailer resells that work, so the breeder name and batch code should stay on the pack. Buying from the breeder often means fresher inventory and clearer answers about lineage.
Feminized, regular, and autoflower seeds
- Feminized seeds are bred to produce almost all female plants, which limits wasted space in a small grow.
- Regular seeds produce both males and females, which lets growers breed and preserve genetics.
- Autoflower seeds flower on a fixed timeline regardless of light cycle, which suits short seasons and compact setups.
Are cannabis seeds legal in the United States?
Federal law still classifies cannabis seeds as a controlled substance, so shipping THC-bearing cannabis seeds across state lines is not legal. Hemp seeds with a delta-9 THC concentration of no more than 0.3 percent on a dry weight basis sit outside that definition under the 2018 Farm Bill. State rules vary widely, and germination may be regulated even where seed sales are permitted.
How to choose a seed bank
- Confirm the license the bank holds and the labs it uses for testing.
- Check that parent genetics, filial generation, and batch numbers are listed.
- Read the shipping, payment, and refund policy before ordering.
- Look at germination rate disclosures and long-term customer reviews.
- Verify the bank follows your state rules on seed sales and cultivation.
How should you store cannabis seeds?
Keep seeds in an airtight container away from light, heat, and humidity. A cool, dark spot near 40 to 50 degrees Fahrenheit holds viability for years, and a silica packet controls moisture. Label each container with the cultivar name and the date you received it.
Frequently asked questions
Do seed banks guarantee germination?
Most do not, because germination depends on grower technique and local law. Some replace seeds that cracked in transit, and a few publish germination rates from in-house testing.
Are seed banks the same as dispensaries?
Not always. A licensed dispensary may carry seeds alongside flower and edibles, while a dedicated seed bank focuses on genetics and shipping. Both should provide batch and testing information.