PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates urban pollution and compacted growing conditions
Watering
Water deeply during prolonged dry spells; established mature trees are drought-tolerant
Temperature
Hardy to -20°C; withstands moderate summer heat up to 35°C without significant stress
Characteristics
- Leaf: Palmate, 5-lobed, dark green above, pale gray-green below, 10–25 cm wide with serrated margins
- Flower: Dense, hanging clusters of small yellow-green, faintly fragrant blooms
- Bark: Smooth gray on young trees, developing flaky, patchy brown and cream plates with age
Care Guide
Watering
Water young trees weekly during dry periods; established trees need occasional deep watering
Fertilization
Apply balanced slow-release fertilizer once in early spring. Avoid high-nitrogen feeds to prevent weak, susceptible new growth
Eggshell powder top-dress：Crush dried eggshells into fine powder; sprinkle 1 tbsp per square foot around the tree base; water in lightly to release nutrientsPruning
- Prune dead, damaged, or crossed branches in late winter to early spring before new growth emerges
- Thin crowded inner branches to improve airflow and light penetration to lower canopy
- Remove suckers growing from the base to maintain a clean trunk form
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic; no adverse effects reported
Humans: No reported toxic effects from ingestion or contact
Garden Uses & Culture
Culture: Symbolizes strength and resilience in some Central European folklore
Usage: Ornamental shade tree; timber used for furniture, flooring, and musical instruments
