8 Fragrant Indoor Plants to Make Your Home Smell Good hass avocados, (persea americana), hanging on a tree, ready to harvest Stock Photo Alamy Philodendron verrucosum "Cobra" Carnivero White Knight meets White Wizard. The difference between these two striking Philodendrons are their stems. White Knight has variegated dark purplish and white stems while Wizard has green stems. The latter is Houttuynia Chameleon Plant Walter Reeves: The Georgia Gardener Hand Pollinating my golden goddess philodendron. I used pollen from the first to open inflorescence that had been stored in the freezer. I still have 3 more still growing, waiting to open.