Marijuana seeds are considered a cannabis product just like flower, edibles, and concentrates. Their legality depends on which state you live in. People living in states with adult-use legalization can buy, produce, and sell seeds within their own state, but seeds can’t cross state lines. People living in states with medical marijuana legalization can only buy seeds if they have a medical card.
Some strains are easier to grow than others because they are more resistant to mold and pests, so if you’re new to growing, you may want to try an easier strain to start.
Where can I buy cannabis seeds?
An inexperienced breeder might cross a male and a female one time and sell the resulting seeds as a new hybrid strain, but professional breeders usually put their strains through several rounds of backcrossing to stabilize the genetics and ensure consistent plants that reflect those genetics.
Before you purchase seeds online, you’ll need to figure out what strain you want to grow and what breeder you want to buy from.
Breeders talk about “unstable genetics,” meaning that a seed’s origin is unknown. Make sure that when you buy a packet of seeds that it or the breeder who produced them can list where the seeds came from and how they were crossed and/or backcrossed to get the seed that you hold in your hand. If you can’t get a seed’s history, it could be anything and the result of poor breeding practices.
This is sometimes referred to as “cloning by seed” and will not produce any male plants. This is achieved through several methods:
Check out Johanna’s full video series on how to grow weed on Leafly’s YouTube .
What are autoflowering cannabis seeds?
Sexing marijuana plants can be a time-consuming process, and if you don’t catch males, there is a risk that even one males can pollinate your entire crop, causing all of your female weed plants to produce seeds.
Seeds can also form in plants with genetic disorders or instability, like hermaphrodites—plants that develop both male and female reproductive parts. Generally, stress and genetic disorders are viewed as bad, so temper expectations with any plant you start from a bagseed.
Cannabis used for hemp production has been selected for other traits, including a low THC content, so as to comply with the 2018 Farm Bill. Consequently, many varieties of hemp produce significant quantities of CBD.
For the last 50 years of cannabis cultivation, crossbreeding has been the name of the game. As a result, there’s virtually no such thing as a pure indica or sativa anymore. Every seed you’ll consider purchasing is probably a hybrid. Classifying a particular cultivar or strain as indica or sativa usually means that its genetic makeup tends more toward one side or the other of the indica-sativa spectrum.
Finally, autoflowering seeds have more to do with the growth cycle of the marijuana plant than the sex of plants. Many growers consider autoflowers to be the best seed choice because they require less work and flower more quickly. When growing regular, or photoperiod, seeds indoors, you will have to manipulate the light your plant receives in order to trigger the flowering process. But autoflowering seeds have been genetically designed to produce plants that automatically flower based on their age rather than changes in the light, meaning less work for you.
Indica, sativa, or hybrid?
If you live in a state where it is legal to grow weed at home and there are not many restrictions on home cultivation, then you’ll likely be able to buy cannabis seeds directly from your favorite licensed dispensary. In some cases, you may also have the option of buying from a brick-and-mortar or online retailer.
Buying online may be the simplest way to purchase cannabis seeds. Online retailers often have a larger selection and may provide more detailed information than smaller brick-and-mortar stores.
Outdoor growing inherently carries a different set of concerns, including the length of the outdoor growing season and other big variables. If you plan to grow marijuana outside, you should probably spend a bit more time researching the specific cannabis seeds you want to purchase to make sure they will thrive in your unique climate and environment. On the other hand, some cultivars thrive better outside and deliver better yields. And there are those who swear that weed grown outside under the sun simply tastes, smells, and smokes better.