Goldenrain Tree
Koelreuteria paniculata
- Native to:
- China, Korea
Didier Descouens





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Sapindaceae
- Genus:
- Koelreuteria
- Species:
- Koelreuteria paniculata
- USDA Symbol:
- KOPA
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 900 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun,jul
- Bloom Colors:
- yellow
Host Plant for Caterpillars
Imperial Moth (Eacles imperialis)
Garden & Ecology Notes
- Wildlife Value:
- bees, birds
- Salt Tolerant:
- Yes
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold stratification for 1-2 months to break dormancy.
ORGHPS Germination Guide: Repeated cycles of 20C then 4C, 3 months each. Very prolonged. Requires scarification.