Bougainvillea is a trpical, shrub-like vine that bursts forth with colorful flowers for 11 months of the year if it's planted in the right climate. To grow bougainvillea, plant it in full sun, slightly acidic and well-drained soil, and a relatively hot and dry climate. Continue caring for your bougainvillea plant by watering sparingly, fertilizing every few months, pruning at the end of the season, and training it the climb a nearby wall or trellis. When cared for properly, this beautiful plant should return each year.