Goldenrain Tree

Koelreuteria paniculata

Native to:
China, Korea

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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.

Source: Ontario Rock Garden & Hardy Plant Society