Colocasia (S)
Zone 8 with protection
Elephant Ears prefer deep, rich, well drained, but moist soil and part to full shade. Start the tuberous roots indoors, 4-6” deep 8-10 weeks before last spring frost, one root per 6” pot. When nights become warm (15-18°C), transfer the plants out of the pots and into the garden or into tubs. Sheltered spots are best because wind will damage the leaves. Plants thrive in heat and humidity and can be grown in containers set in ponds or water gardens. Elephant ears will stop growing if the temperature goes below 15°C and will also stop growing if they are rootbound. Dig up the tubers after the first fall frost and allow them to dry for a week before storing them in a dry potting medium. Or, if you have room in the house, move tub-grown plants indoors before the first fall frost and place the tub where it will receive bright indirect sunlight at temperatures from 18-21°C. Keep moist and feed every 3-4 weeks.
