Snapdragons are often considered as cold-season annual plants and do best in full or partial sun, in well drained soil Best grown in masses as bedding and pot plants Pinch snapdragon seedlings back to encourage multiple flower stem formation Snapdragons are susceptible to rust, and hot, dry conditions accelerate the spread of this disease After transferring it to a pot, make sure to keep the soil moist but do not overwater them. Also, make sure the plant pot has a drainage hole in the bottom of the pot