Koelreuteria Species, Chinese Flame Tree, Bougainvillea Golden Rain Tree, Southern Goldenraintree
Koelreuteriabipinnata

Family: Sapindaceae (sap-in-DAY-see-ee)
Genus: Koelreuteria (keel-roo-TER-ee-uh)
Species: bipinnata (by-pin-NAY-tuh)

Synonym:Koelreuteria bipinnata var. integrifolia

Synonym:Koelreuteria bipinnata var. puberula

Synonym:Koelreuteria integrifolia

Category
Trees

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Deciduous

Foliage Color

Height
30-40 ft. (9-12 m)

Spacing
15-20 ft. (4.7-6 m)

Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)

Where to Grow

Danger

Bloom Color
Bright Yellow

Bloom Characteristics
Flowers are good for drying and preserving

Bloom Size

Bloom Time
Late Summer/Early Fall
Mid Fall

Other details

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information
Non-patented

Propagation Methods
From seed; direct sow outdoors in fall

Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds