Koelreuteria paniculata
(Golden Rain Tree)

CHARACTER: Deciduous; eventually flat-topped form; light canopy.
SIZE: Medium (Height: 20-30'; Spread: 20-30').
GROWTH RATE: Slow.
FOLIAGE: Medium green, serrated leaves with oval leaflets 1-3" long. New foliage is reddish. Fall foliage is yellow; tree is bare October-February.
FLOWER/FRUIT/BARK: Late summer yellow flower clusters 8-14" long, bloom June-August. Buff colored, 2" papery seed capsules.
MONTHLY WATERING NEEDS: In general, 15-20 gallons per week for the first 2 years; 15-20 gallons twice a month for the 3rd year; as needed after 3 years (varies by soil, sun, and wind conditions).
TREE CARE: Moderate. Needs early pruning to train a good shape, pruning less frequently with age. Sidewalk clean-up during flower and leaf drop.
TOLERANCES: Drought (once established), poor drainage, any soil, smog, temperature extremes.
SPECIAL CONSIDERATIONS: Prefers sun and warmth, does not tolerate fog or steady winds. Needs extra water in hot conditions.
NOTABLE TRAITS: Native to Asia. Attractive papery fruit capsules.
ALTERNATE FORMS: Closely related to Koelreuteria bipinnata, Chinese Flame Tree.