SelecTree: Tree Detail

HONG KONG ORCHID TREE
Bauhinia × blakeana

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Photo Locations: Alameda Plazas and Alice Keck Park Memorial Garden - Santa Barbara, CA, Cal Poly State University - San Luis Obispo, CA and Los Angeles County Arboretum, Arcadia, CA

General Notes

A hybrid between Bauhinia purpurea × Bauhinia variegata.

Exotic-looking flowering tree for frost free areas. This hybrid tree does not produce fruit. Its flowers are 5 to 6 inches in diameter, larger than on other Blakeana.

Has fragrant Flower.

Native to Hong Kong.

Family: Fabaceae

Tree Characteristics

Umbrella Shape.

Has Partly Deciduous foliage.

Height: 20 - 40 feet.

Width: 20 - 25 feet.

Growth Rate: 12 to 24 Inches per Year.

Longevity 40 to 150 years.

Leaves Lobed and Palmate, Gray Green, Partly Deciduous.

Fragrant Pink, Purple or Rose. Flowers in Fall or Winter. Has perfect flowers (male and female parts in each flower).

Fruitless.

Bark Dark Gray or Light Gray, Smooth.

Shading Capacity Rated as Moderate in Leaf.

Tree Site Conditions & Constraints

Sunset Zones 13, 19, 21, 23, 24, H1 and H2.

USDA Hardiness Zones 9 - 11.

Exposure Full Sun to Partial Shade.

Moist Soil.

Loam or Sand Texture.

Highly Acidic to Slightly Alkaline Soil pH.

Seaside Tolerance is Not Suited.

Pests & Disease Information

Susceptible to Aphids.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium Weak

Root Damage Potential Rated as Low.

None Known Health Hazard.

Attracts Birds.

Special Uses & Values

Street Tree or Screen.

Cite this tree:
SelecTree. "Bauhinia × blakeana Tree Record." 1995-2019. Oct 17, 2019.
< https://selectree.calpoly.edu/tree-detail/bauhinia-×-blakeana >

SelecTree Nursery Connection Map
Cal Poly / ESRI