PlantFun
Plant Needs
Sunlight
Full sun to partial shade; prefers direct sunlight for optimal growth and canopy development
Watering
Young trees need regular weekly watering; established trees are drought-tolerant, requiring supplemental water only during extended dry spells
Temperature
Extremely cold-hardy; withstands summer heat up to 35°C, with best growth in temperate conditions
Characteristics
- Leaf: Opposite, pinnately compound leaves with 5–11 ovate leaflets; glossy dark green, turning bright yellow in fall
- Stem: Distinctive square cross-section; young stems have narrow corky wings
- Flower: Small, inconspicuous purplish-green clustered flowers; no petals
- Fruit: Winged samaras in drooping clusters, maturing in late summer
Care Guide
Watering
Water young trees weekly to maintain moist (not waterlogged) soil; established trees only during prolonged drought
Fertilization
Apply balanced slow-release fertilizer once in early spring. Do not fertilize newly planted trees for the first 2 growing seasons
Eggshell powder topdressing：Crush clean, dried eggshells into fine powder; sprinkle 1–2 tbsp around the tree's drip line in early spring; water lightly to incorporate into soilPruning
- Prune in late winter to remove dead, damaged, or crossing branches
- Thin crowded inner branches to improve air circulation and sunlight penetration
- Maintain the tree's natural rounded canopy shape; avoid heavy, drastic pruning
- Remove basal suckers to direct growth to the main trunk and reduce competition
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxicity to humans
Garden Uses & Culture
Culture: N/A
Usage: Timber for flooring and tool handles; ornamental shade tree for large landscapes
