SelecTree: Tree Detail
HONG KONG ORCHID TREE
Bauhinia × blakeana
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
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.
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).
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.
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.
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