Bougainvillea plants are native to South America, growing in Brazil, Peru and Argentina. These climbing plants are not hardy, and only those gardeners who reside in US hardiness zone 9 and US ...

2. These thorny shrubby vines require fertilisers once after every 30-40 days. If the Bougainvillea plant is in a flower pot, its nutritional values start depleting very fast and the flowers also ...