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PlantSnap
Plant Care
Princess flower
(Tibouchina urvilleana)
Also Known As
Princess flower, Glory bush, Lasiandra
About This Plant
Tibouchina urvilleana is an evergreen shrub or small tree that can grow up to 20 feet (6 meters) tall in its native habitat, but typically reaches 6-8 feet (1.8-2.4 meters) in cultivation. It has dark green, velvety leaves and produces large, showy, purple flowers that bloom in late summer and fall.
Plant Care Instructions
Outdoor Size Range
6-8 feet (1.8-2.4 meters)
Light Requirements
Tibouchina urvilleana prefers full sun to partial shade. It will tolerate some shade, but may not flower as profusely.
Humidity Needs
Tibouchina urvilleana prefers moderate to high humidity. Mist the leaves regularly with water to increase humidity levels.
Fertilizing Schedule
Fertilize every 2-3 weeks during the growing season with a balanced, water-soluble fertilizer. Reduce fertilizer application in the fall and winter.
Pruning Guidelines
Prune Tibouchina urvilleana in late winter or early spring to control its size and shape. Remove any dead or damaged branches.
Common Pests and Diseases
Tibouchina urvilleana is susceptible to spider mites, mealybugs, and scale insects. Treat infestations with insecticidal soap or neem oil.
Indoor Size Range
3-6 feet (0.9-1.8 meters)
Watering Schedule
Water thoroughly when the soil is dry to the touch. Do not allow the soil to become waterlogged, as this can lead to root rot.
Temperature Range
Tibouchina urvilleana prefers warm temperatures between 60-80°F (15-27°C). It can tolerate temperatures as low as 40°F (4°C), but may drop its leaves if exposed to prolonged cold.
Growing Season
Late spring to early fall
Growing Difficulty Level
Moderate
USDA Hardiness Zones
9b-11
Did You Know?
In its native habitat in Brazil, Tibouchina urvilleana is pollinated by hummingbirds.
