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Interesting Facts

Members of this genus are mostly native to Brazil, but they can be found as far north as the wetter regions of tropical Mexico. They are sometimes called spider flowers since the inner parts of the flowers resemble a spider's legs creeping out from in between the petals.

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Princess Flower   (Tibouchina urvilleana)

Brazilian Spider Flower
Glory Bush

Princess Flowers are tropical plants that can bloom throughout the year if the weather is permissable. These plants can be rather invasive in Hawaii, but when grown elsewhere they make nice outdoor shrubs that provide nice splashes of purple from their unique looking flowers.

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Plant Types: Perennial, Shrub, Tropical
Light: Partial Shade to Full Sun
Height: 10 feet to 20 feet
Width: 6 feet to 10 feet
Zones: 13a to 15b
Bloom Color: Purple
Bloom Seasons: Early summer, Mid summer, Late summer, Early fall, Mid fall, Late fall
Leaf Color: Green, Red
Shape: Upright or erect
Fertilizer: Miracle-Gro® Nursery Select Miracid® Water Soluble Plant Food, Miracle-Gro® Water Soluble All Purpose Plant Food
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Plant Care

Sow seeds when the weather warms in spring and reaches at least 60°F. Stem cuttings can be made in late spring and summer as long as bottom heat is provided.

Plant Growth:

Tibouchinas can withstand full sun, however, they will need protection from the sun in warmer climates. If temperatures hover around freezing, the plants may die back. Fortunately, Tibouchinas will often times bounce back in the spring.


Constant deadheading can prolong flowering.

Soil and Irrigation:

Does best with regular water in soils that retain moisture and that are moderately fertile. Water freely during the normal growing season.


Give a balanced liquid fertilizer once per month during the growing season.


Prune each year in mid spring. Remove tips of shoots that causes assymetry in the canopy.


Prone to root rot, leaf spots and spider mites if there is not sufficient air circulation.