How to Sow
As a member of the mint family, catnip likes to be kept moist. Sow it quite shallowly and keep moist until the seeds germinate. Although it can be sown direct, you will get better control over the germination environment in containers.
How to Harvest
Pick sprigs of catnip for your cat and see how she reacts! However, real catnip lovers will roll on the plants to enjoy the smell, so you may need to keep the plant out of reach of kitties.