PlantFun
Plant Needs
Sunlight
Prefers partial shade to full sun; tolerant of dry, rocky growing conditions
Watering
Drought-tolerant; requires minimal supplemental water once established
Temperature
Hardy to cold winter temperatures; withstands summer heat in arid coastal and inland regions
Characteristics
- Leaf: Compound leaves with 3 lobed/toothed leaflets; green in summer, red/orange in fall
- Flower: Small greenish-yellow clustered blooms in leaf axils
- Stem: Woody stems; climbing forms have aerial roots for attachment
Care Guide
Watering
Minimal supplemental water; let soil dry completely between applications
Fertilization
No fertilization required. Fertilization may encourage excessive growth and increase urushiol production
Composted leaf mold：Apply sparingly around base only if soil is extremely poor; wear full protective gear to avoid urushiol contactPruning
- Wear heavy protective gloves, long sleeves, and eye protection to avoid urushiol exposure
- Remove climbing vines from structures to prevent unwanted spread
- Prune only during dormant winter months to reduce active urushiol release
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; contact causes severe skin irritation; ingestion may induce vomiting and diarrhea
Humans: Contains urushiol oil; causes severe contact dermatitis on skin contact; ingestion may lead to systemic illness
Garden Uses & Culture
Culture: N/A
Usage: N/A
