Starting Vegetable Seeds Indoors in March Zone 5B Amorphophallus konjac 9 Care Tips for Voodoo Lily The Ghost Cactus isn't actually a cactus. It's a Euphorbia (Euphorbia lactea) and it is white because it lacks chlorophyll. We classify this as a rare plant because they aren't available Home Depot Or Lowe's: Which Has Better Deals On Houseplants? Huge Monstera Up the Wall and No Moss Pole, Yes you read it Right!! Plectranthus 'Purple Swedish Ivy' Forget Me Not Nursery Indian, Alaska