Taro Black MagicText Box: TARO BLACK MAGIC (Colocasia esculenta) Unusual purplish black leaves. Leaves are huge and heart shaped. Can grow 3-6 ft. Tolerates partial shade. Water depth 2- 6 inches. Can also be grown in a regular garden, but important to keep soil wet Weather permitting we ship the tropical marginal and bog plants April through September. OUR MARGINAL AND BOG PLANTS ARE EITHER IN 2 INCH POTS OR BAREROOT Fuller plants available in 4 inch pots, must purchase 3 minimum Tropical marginal and bog plants will not survive the cold temperatures, if you live in zone 7 and below you might consider them to be annuals or bring them indoors in the winter