The bougainvillea has just bloomed again, in Fall. From my observation the bougainvillea is a capricious plant given to fickle bloomings.
* Official: it’s the Black Tea Tree, a member of Melaleuca family
ADDED: I’ve also read about the bougainvillea that you should treat it harshly if you want it to bloom well. Don’t give it water or fertiliser. It’s a masochist of a plant, apparently. Rather like in Australia, the finest merino wools, the most prized fibres come from sheep that have grazed in harsh lands, not the lush green English fields of their forbears. That makes their wool fine, low-micron. But we’re not going to mistreat our bougainvilleas. We’re going to give them some of our wonderful compost. That may make them even more fickle. A sign of their displeasure, perhaps.