Taro GreenText Box: TARO GREEN (Colocasia esculenta) Lush elephant ear leaves. Will grow indoors and in shade. Can grow to 48 inches. Will grow out of the pond in as long as soil is kept moist. Will also grow in water depth up to 12 inches 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.