PlantFun
Plant Needs
Sunlight
Tolerates full sun to partial shade; thrives in dappled woodland light with filtered sunlight
Watering
Drought-tolerant; only water during prolonged dry spells to avoid waterlogging
Temperature
Cold-hardy to subarctic temperatures; withstands hot summer heat with adequate shade
Characteristics
- Leaf: Compound trifoliate leaves with glossy green ovate leaflets; turns bright red/orange in fall
- Flower: Small, greenish-yellow clustered blooms in leaf axils
- Stem: Woody stems; climbing vines use aerial roots for anchorage
Care Guide
Watering
Water only during extended dry periods; avoid overwatering to prevent root rot
Fertilization
No regular fertilization needed; avoid nitrogen-rich feeds that stimulate excessive growth. Only amend soil with composted organic matter if growing in extremely poor substrates
Composted leaf mold tea：Use fully composted oak leaves; dilute 1:20 with water for root drench to improve soil structure without stimulating aggressive growthPruning
- Wear thick protective gloves and long clothing when handling to avoid urushiol exposure
- Remove climbing vines from structures to prevent accidental human/pet contact
- Thin overcrowded stems in late winter to improve airflow; do not burn pruned material
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic via contact; causes skin redness, itching, and blistering; rare ingestion leads to vomiting
Humans: Contains urushiol oil; causes severe contact dermatitis on skin; smoke from burning plants irritates respiratory tract
Garden Uses & Culture
Culture: N/A
Usage: N/A
