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marijuana seed directory

Photo by: Gina Coleman/Weedmaps

The body of a marijuana seed is spotted or striped, most commonly with light brown specks, but some varieties of cannabis can have red or yellow markings. Plant embryos are contained within seeds and house all of the cells that will eventually differentiate into leaves, roots, and stems. Embryos, found within the reproductive organs, are protected by an outer envelope called the pericarp. Crucial components of the plant embryo are the cotyledons, the first leaves to appear from the seed, and the radicle, which develops into the primary root. Once the seed germinates and begins its growth into a mature plant, special structures called root caps protect the growing tips of the plant.

Humidity and light is the main enemy for seed storage. Beyond that, seeds can remain viable for up to two years when stored in even the most haphazard conditions. Marijuana seeds swept up off the floor or found in the bottom of a drawer have been known to grow into vigorous young plants.

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If you’re trying to grow just a handful of plants for your own private consumption, then you can get away with purchasing one or two packs at a time. Since most commercially sold marijuana seeds come in packages of 10 or so seeds, 10 to 20 seeds should be enough to ensure a good harvest even if a few seeds fail. This is a baseline for a small, private crop andany larger operations should scale up accordingly.

Cannabis seed production begins with the pollen grain of a male plant. From this grain, a pollen tube grows, producing male generative cells that disperse in the form of pollen. The migration of pollen into a female plant ovule triggers pistils to fall off and seed production to begin. The bracts, which contain the ovule, will then fill with seeds.

As with all angiosperms, or flowering plants, cannabis produces seeds that contain all of the genetic information needed for growth and reproduction. When a seed is planted, the translation of this genetic material dictates each unique physical characteristic the mature plant will have. If these are desirable traits, like potency, smell, vigor, etc., a breeder can select for these through a long process of genetic stabilization through generations, which eventually leads to the creation of a cultivar, or strain.

Photo by: Illustration by Weedmaps

The problem has to do with the American federal government and the current legal status of cannabis. Marijuana and derivatives (including seeds) are considered a Schedule 1 drug with essentially no accepted legal use. This makes it hard if not impossible for a seed bank to run in the U.S. the way they do in the U.K., the Netherlands, Spain, or Canada (which have legal loopholes or full-on legalization).

Sirius and I have been ordering cannabis seeds online since 2010, and we maintain a list of the seed banks that we use the most. Most seed banks we’ve used and recommended are located in the U.K., Netherlands, or Spain. In fact, until recently, these 3 countries in Europe contained nearly all the big cannabis seed banks in the world. Weed isn’t legal to grow in those countries, but they have specific laws or loopholes that make it easier to run a seed bank.

List of Seed Banks Within the USA

Yet isn’t cannabis cultivation legal in several U.S. states? Where are the American seed banks?

First, I’m going to share a relatively current list of real American seed banks. That’s why you’re here. This is the list I use when I order seeds in America. Then I’ll explain what the deal is.

Hand-picked American genetics available as stabilized strains from established seed banks:

Without expert cannabis breeders and seed banks, we would not have the diverse and eclectic mix of strains that we all get to enjoy today. Here you can find a list of breeders from across the globe. Read all about who they are, the strains they have in their catalog and of course their reviews.

The world of cannabis is ever evolving, and to that end, this collection of breeders is not definitive. As up and coming talents enter the industry our list will keep growing and growing. Even better, if you know a breeder or seed bank that should be presented here, then let us know!