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PlantSnap
Plant Care
Paperflower
(Bougainvillea glabra)
Also Known As
Paperflower, Paper bougainvillea, Less bougainvillea, Bougainvillea, Narrow-leaved bougainvillea
About This Plant
Bougainvillea glabra is a thorny, woody vine that produces beautiful, brightly colored bracts that surround small, inconspicuous flowers. The plant is native to South America and is a popular ornamental plant worldwide. It is known for its showy, long-lasting blooms and its ability to thrive in hot, dry conditions.
Plant Care Instructions
Outdoor Size Range
10-30 feet (3-9 meters)
Light Requirements
Bougainvillea glabra requires full sun to partial shade. It needs at least 6 hours of direct sunlight per day to produce blooms. In areas with very hot summers, some afternoon shade may be beneficial.
Humidity Needs
Bougainvillea glabra is not very sensitive to humidity levels and can tolerate a wide range of conditions.
Fertilizing Schedule
Bougainvillea glabra benefits from regular fertilization during the growing season (spring through fall). A balanced, water-soluble fertilizer can be applied every 2-3 weeks.
Pruning Guidelines
Bougainvillea glabra should be pruned regularly to control its size and shape. It blooms on new growth, so pruning can also promote flowering. It is best to prune after a flush of blooms has faded.
Common Pests and Diseases
Bougainvillea glabra is susceptible to aphids, mealybugs, and spider mites. It may also be affected by fungal diseases such as powdery mildew.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
Bougainvillea glabra is drought-tolerant and prefers well-draining soil. It should be watered deeply but infrequently, allowing the soil to dry out slightly between waterings. Overwatering can lead to root rot and other problems.
Temperature Range
Bougainvillea glabra prefers warm temperatures between 60-80°F (15-27°C). It can tolerate brief periods of colder temperatures but is not frost-tolerant.
Growing Season
Bougainvillea glabra grows best during the spring and summer months when temperatures are warm and days are longer. It may continue to bloom sporadically throughout the fall in warmer climates.
Growing Difficulty Level
Bougainvillea glabra is moderately difficult to grow. It requires specific light, temperature, and watering conditions to thrive. It is also susceptible to pests and diseases.
USDA Hardiness Zones
Bougainvillea glabra is suitable for USDA hardiness zones 9-11.
Did You Know?
The bright, showy bracts of Bougainvillea glabra are not actually flowers - they are modified leaves called bracts that surround the small, inconspicuous flowers. The true flowers are small and white and are located in the center of the bracts.
