How to Grow Elephant Ear Plants. The Elephant Ear (Colocasia) plant is perennial herb that grows up to 9 feet meters) in height and sprouts large, arrow-shape leaves. It gets its name because the large leaves resemble the ears on an.
Keep the garden vertical. That's why it's good to look for shrubs and trees that max out interest as they grow up, not out. Try dwarf varieties for a small backyard, as well as more columnar evergreens (bonus—they boost wintertime interest, too).