PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates dry, exposed sites and urban pollution
Watering
Drought-tolerant once established; water deeply but infrequently to avoid root rot
Temperature
Hardy to extreme cold and summer heat; suitable for USDA zones 3–9
Characteristics
- Leaf: Trifoliate, glossy dark green leaves with serrated margins; turns yellow in fall
- Flower: Clusters of small, fragrant white to pale green flowers
- Fruit: Papery, circular wafer-like seed pods (samara) that persist into winter
Care Guide
Watering
Water deeply every 7–10 days during prolonged dry spells
Fertilization
Apply balanced compost once at the start of growing season. Avoid high-nitrogen fertilizers to prevent excessive foliage growth at the expense of flowering
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels without burning shallow rootsPruning
- Remove dead or damaged branches in late winter before new growth emerges
- Thin crowded stems to improve airflow and light penetration through the canopy
- Shape lightly after flowering to maintain a compact, desired form
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported toxic reactions
Humans: Non-toxic to humans; no known adverse effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental for unique seed pods; historically used medicinally by Indigenous North American peoples
