Hoya are tropical plants native to Asia and the South Pacific. Common names include wax plant, wax vine or hoya. They are evergreen vines growing epiphytically on trees, while others in rocky areas or soil. Typically, their leaves are succulent. Hoyas make fabulous house plants in hanging baskets, or outdoors in a well-lit position. Their flowers are clustered in an umbrella-like structure, typically with a strong fragrance.