Mature Carnivorous Purple Pitcher Plant - Sarracenia purpurea - 4" Pot Purple Pitcher Plant, Sarracenia purpurea The Purple Pitcher Plant is definitely the easiest of all the carnivorous plants to grow and is excellent for beginners Best grown outdoors as a container or potted plant or indoors Requires nutrient-free soil that provides good drainage The plant you will receive is growing in a 4" pot.