no flowers on bougainvillea

Question

Lack of flowers or buds on vibrant bougainvillea. Plants are in large pots and get watered by sprinklers. How can we force some buds/flowering? Plants get full Southern California sun.

Answer 1

Please see this article on how to promote blooms on bougainvillea:
https://www.gardeningknowhow.com/ornamental/vines/bougainvillea/bougainvillea-not-blooming.htm

Here are some general reasons a plant may not flower:
https://www.gardeningknowhow.com/plant-problems/environmental/plant-not-blooming.htm