Dendrobium wasselii grows in Queensland Australia at around 1000 feet at the edge of rainforest areas. It is warm to hot growing, blooms spring through fall and needs bright light. It is also known as Dockrillia wasselii. The genus Dendrobium (Den) contains 1200 species from all parts of Asia and the Pacific. Some like a dry winter rest, all like to dry out between watering. Flowers are long lasting.