Bougainvillea Zone 7. Bougainvillea do very well in the hot dry sandy soils. Its quite a striking tree when in bloom.
08102019 Bougainvillea Plant Hardiness Zones Bougainvillea is a perennial only in the warm climates of USDA plant hardiness zones 9 through 11. They thrive in USDA Zone 10 but will survive in Zone 9 if protected. Bougainvillea can be pruned and trained to grow in containers.
22102020 Although the weather in USDA plant hardiness zone 7 isnt particularly severe it isnt uncommon for winter temperatures to fall below the freezing point.
Bougainvillea is hardy to United States Department of Agriculture zones 9 to 11. Use bougainvillea as a vibrant colorful groundcover on hillsides. If you wait any later than that and your bougainvillea may not have a chance to fully mature. In these zones gardeners can grow bougainvillea outside year.