Indoor Potting Mix 4 Quart Marly Garden Colocasia esculenta (taro, elephant ear) is a heavy feeder, meaning it needs rich soil and regular fertilizer to grow those big lush leaves (and edible corms, if you're growing for food). Here's 15 Kitchen Plants to Grow BBC Gardeners World Magazine Introduction to Carnivorous Houseplants: A Beginner's Guide Post Emergent Weed Killers A to Z Lawn Supply Plant Food Starter Kit