DetailsVanilla aphylla is a species native to Southeast Asia and is found throughout Laos, Thailand, Malaysia and Singapore. A leafless variety, Vanilla aphylla has a light jade color similar to Vanilla chamissonis. Vanilla orchids are epiphytic climbers that put out aerial roots to capture water and nutrients. Vanilla aphylla prefers humidity, indirect sunlight, and temperatures over 50 degrees. They require a substrate with excellent drainage and constant moisture.