Light: Bougainvillea needs at least 6 hours of full sun a day to flower profusely and look its best. This plant loves the heat too.
Watering:When it comes to watering, bougainvillea is pretty drought tolerant once established. It prefers a good, deep watering every 3-4 weeks rather than frequent shallow waterings. Please make sure the water is draining from the bottom holes when you water.
Pruning:You can occasionally prune branches and it should not harm the plant rather new branches should emerge and give out flowers/bracts. Also, you can weave the branches around the steel frame once it grows taller enough to easily weave.