SelecTree: Tree Detail
Photo Locations: The Morton Arboretum - Lisle, IL, UC Berkeley Botanic Garden - Berkeley, CA, Mendocino Botanical Garden - Fort Bragg, CA, The National Arboretum - Washington, DC, San Luis Obispo, CA, San Jose, CA, Salinas, CA and Arnold Arboretum - Boston, MA
Drought and smog tolerant. A hardy, attractive tree.
Native to Asia.
A Koelreuteria paniculata in Santa Ana is registered as a California Big Tree. It measures 44 feet high, with a trunk circumference of 82 inches and a crown spread of 56 feet.
Spreading with a Low Canopy.
Rounded, Umbrella or Vase Shape.
Has Deciduous foliage.
Height: 20 - 35 feet.
Width: 25 - 40 feet.
Growth Rate: 12 to 24 Inches per Year.
Longevity 50 to 150 years.
Leaves Pinnately Compound Odd, Medium to Dark Green, Bronze or Gold, Deciduous.
Flowers Showy. Yellow. Flowers in Summer. Has perfect flowers (male and female parts in each flower).
Prolific, Brown or Yellow Capsule, Large (1.50 - 3.00 inches), fruiting in Fall.
Bark Dark Brown or Light Green, Fissured.
Shading Capacity Rated as Moderately Low in Leaf.
Shading Capacity Rated as Low out of Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 2 - 24; A2.
USDA Hardiness Zones 6 - 9.
Exposure Full Sun to Partial Shade.
Moist to Dry Soil.
Clay, Loam or Sand Texture.
Highly Acidic to Highly Alkaline Soil pH.
Salinity Tolerance is Good Inland.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Beetle Borers, Plant Bug and Scales, Root Rot and Verticillium.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
Allergy Health Hazard.
Biogenic Emissions considered High.
Special Uses & Values
Cite this tree:
SelecTree. "Koelreuteria paniculata Tree Record." 1995-2018. Jun 24, 2018.
< https://selectree.calpoly.edu/tree-detail/koelreuteria-paniculata >
SelecTree Nursery Connection Map
Cal Poly / ESRI