Getting the best marijuana seeds is the only reliable way to get the best plants. Unless you have extensive plant breeding facilities, or are lucky, the best thing to do is buy some seeds that have been produced by an established seed bank.

Germinate your marijuana  seeds in pots of moist seed compost. Sow them 1 to 2 cm below the surface and water gently with p.h. balanced water. Cover the pots with clingfilm or place in a lidded propagator. Remove any cover when they sprout.

Warmth means faster germination. Once planted keep seeds at around 70 degrees using a propagator or heating mat. Don`t worry if you can`t heat them they should still sprout but it might take a week or two.

Seeds from a batch of good cannabis will not necessarily produce good plants. If you don`t know both parents of the seed, or any of it`s history don`t rely on it producing buds as good as the bud it came from.

Seeds can be kept for many years but they become less viable as time goes by. Store them in a cool dry airtight container for up to two years. For longer storage dry them well seal them in a container and put them in the freezer.

 Use deep pots that allow plenty of room under the seed so the emerging root can grow straight down. A root that curls too early can increase the chances of the plant becoming a male. Only females produce clumps of flowers known as buds.

You don`t have to use seed compost. Try pots of perlite or straight into cubes of rockwool. You can put the seeds between two wet paper towels, but be careful to plant them as gently as possible as soon as they begin to sprout.

Female only marijuana seeds are produced by using stress or hormones like Gibrellic acid to turn part of a female plant male. Pollen collected from the male part is used to produce seeds that contain no male genetics. Hence female only seeds.