Dionaea muscipula seed grown $8 S $10 M $12 L Published January 23, 2013 at 3072 × 2304 in Venus Flytraps Dionaea muscipula seed grown $8 S $10 M $12 L Seed grown venus fly traps! No Venus Flytrap is as special as seed grown individuals. Each one is unique and colors vary. Some of our fully grown plants have traps over 1″ in length! $8 small. $10 medium. $12 large. They really do catch flies!