Climbing Shrub: Native from Mexico to Tropical America. Has shiny, thick heart-shaped leaves that start dark green and the colors change as it ages to greenish brown with age. Grows primarily as a climber. Height: 40 feet or more. Exposure: part shade. USDA Z10-11. Indoors as a houseplant: Provide indirect, bright light. Provide support as it starts to climb. Water: moist. Mist to increase humidity when needed. Toxic to humans, cats and dogs if ingested.