Hoya's are vines and shrubs from tropical and subtropical Asia and Oceana. there are over 300 different species. Hoya's are primarily epiphytic, although some are terrestrial. Their trademark thick waxy leaves allows them to store water for longer than some other plants.
Hoya flowers may look familiar... Hoya and the North American Milkweed are cousins. Their flowers are very similar.
Hoya's are easy to grow; bright indirect light, and allow them to dry out between watering. Hoya are easy to propagate by stem cutting, or air layering.