Goldenrain Tree (Koelreuteria paniculata), U.S.D.A. Forest Service Collection, Courtesy of the Hunt Institute
Sunset®: 2-21,28-41
USDA: 5-9b
Sun Exposure: Full sun
Origin: Asia
Growth Habits: Deciduous, medium-sized, upright rounded tree, growing rapidly up to 20 to 40 feet tall (6-12 m), 15 to 35 feet in spread (4.5-10 m); alternate, pinnately to bipinnately compound leaves with 7 to 15 leaflets
Flowers: Yellow flowers
Watering Needs: Regular to moderate water, prefers moist well drained soils, tolerates city conditions
Propagation: Seeds, root cuttings
Propagation: Seed
- by seeds, in autumn. Germinates at 41 degrees F. The seeds can also be harvested in autumn. The seeds need stratify 40F 2-3mo.. The usual germination temperature is 41 degrees F.
The genus Koelreuteria honors Joseph Gottlieb Koelreuter, an 18th century German botanist.
Blooming Habits:
The Goldenrain Tree has yellow flowers, in 12 to 14 inches long panicles (30-35 cm) in mid-summer, followed by papery brown capsules in the fall.
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