When Do Bougainvillea Flower Uk. As leaf buds appear the plant needs a good watering with rain water if possible every two weeks or so allow it to dry out between waterings. Start by removing any dead growth.
In winters when you bring the pot indoors place it at a spot where it can receive an ample amount of light. 07052021 The petals of the Bougainvillea flower are tiny and inconspicuous and generally white and it is the flowers papery bracts that give it the colour and long-lasting summer appeal. 23082015 Most bougainvilleas bloom almost all year round if grown outdoors specifically from spring through summer if given the right growing conditions and care.
The most common varieties produce brilliant red or purple flowers throughout the summer and into early autumn but a wide range of modern cultivars provide a broad range of colours and some will.
They flower on the current seasons growth so pruning in late winter or early spring just before growth begins. Bougainvillea respond to being properly dark at night so you could cover your plant with a sack in the longer summer nights to encourage flowering by making the plant think winter is coming. 26012021 The main time to prune bougainvillea is at the end of February. The cream coloured corolla of the flower has a number of wavy lobes.