Native to South America , bougainvilleas ( Bougainvilleaspp . ) are woody , briary , climbing vines that give rise colorful floral displays . There are about 18 species in all . These tropical vine are hardy in U.S. Department of Agriculture zone 9 to 11 .

Facts About Flowering Bougainvillea

bougainvilleas are prise for are not true flowers . Rather , they are modify leavesknown as bracts . These bracts surround the true bougainvillea flush , which are white and tubelike and measure about an column inch in diam .

The " flowers " that bougainvilleas are respect for are not true flowers . Instead , they are modified leaves known as bracts .

Common Bougainvillea Species

Only a few of the 18 species of bougainvillea are common in cultivation , let in the less bougainvillea ( Bougainvillea glabra , zones 9 to 11 ) and the greater bougainvillea ( Bougainvillea spectabilis , zone 9 to 11 ) . These species are like in appearance , although the greater bougainvillea has somewhat longer flower bract than the less bougainvillea .

Is Bougainvillea a Perennial?

Bougainvilleas are perennial plants in their natural habitatand when grown in USDA hardiness zone 9 to 10 . That intend they survive for more than one raise season .

When they are rise in colder zones , however , they are treated as annuals . Bougainvilleas can be grow in containers as well .

Care for Flowering Bougainvillea

bougainvillea need proper care to give rise the colored displays they are get it on for . The precaution comprehend the water supply , fertilizing and pruning requisite of these vines .

Watering

Bougainvilleas are native to desiccate regions of South America and perform well under wry conditions . Therefore , while you should water these vines during the growing time of year , you may allow the soil to dry out out between tearing . According to theClemson Cooperative Extension , a pH just above 6.0 is perfect for these plant .

Tip

Allow the soil around the bougainvilleas to dry out between waterings .

Pruning

Bougainvillea vines sometimes need trim to work and control their size . Be sure to use gloves and exercise caution to avoid injury by the vine ’s retentive , shrewd thorns .

The best time to prune is after the plant has bloom in the summertime . Late winter or early outpouring are also good times to prune . If you prune at the wrong clip , you may cease up with fewer bloom temporarily .

Warning

When pruning , utilise gloves and exercise care to avoid injury by the vine ’s longsighted , precipitous thorns .

Fertilizing

A blossom bougainvillea welfare from the covering of a general - aim fertilizer when it is actively growing . Look for a balanced 10 - 10 - 10 formula , which contains equal amounts of nitrogen , K and daystar .

It is crucial not to overfeed your bougainvillea vine , however , astoo much nitrogenstimulates foliation growth . If you are develop bougainvillea as a perennial , withhold fertilizer during the winter when the plant is torpid .

References

A close-up of the delightfully pink bracts of a bougainvillea plant.