Bougainvillea Flowers Turning Brown. We will now jump into each of these reasons so you can discover why your specific flower is turning brown. 26122020 The reddish-brown spots that appear on leaves usually begin with new foliage and spread to give the bougainvillea a rusty looking appearance.
Well obviously the environment is something that you dont control. Pale green leaves indicate nitrogen deficiency. Heavy pruning will reduce the amount of blooms.
Twisted leaves indicate a zinc deficiency.
Heavy pruning will reduce the amount of blooms. It is also called inchworm or measuring worm. Now a few leaves and blooms are turning brown. In addition to warmth bougainvillea requires a bright sunny growing location.