Bougainvillea What Zone. Planting Calendar for Bougainvillea Bougainvillea are not cold tolerant which means that you really should wait until it warms up after the last. If you want to keep bougainvillea outdoors all year long its best to be in hardiness zone 9 or higher.
Established vines can withstand a light frost but youll need to bring them indoors for the winter in places where the temperatures drop below 25 degrees. In most of South Carolina Zones 7 and 8 they can be grown as houseplants in greenhouses and as container plants. 28062014 Bougainvillea is a hardy perennial vine but it prefers the temperate climates of USDA Plant Hardiness Zones 9 through 11.
Hardiness zone of a plant is a geographically defined area in which a particular type of plant is capable of growing according to the climatic conditions.
This plant is damaged below 32F. 10022010 Bougainvillea thrives in places that are hot and relatively dry. Bougainvillea Plant Hardiness Zones Bougainvillea is a perennial only in the warm climates of USDA plant hardiness zones 9 through 11. 28062014 Bougainvillea is a hardy perennial vine but it prefers the temperate climates of USDA Plant Hardiness Zones 9 through 11.