PlantFun
Plant Needs
Sunlight
Full sun to partial shade; full sun exposure intensifies vibrant fall foliage color
Watering
Water deeply when the top 5 cm of soil feels dry; avoid overwatering to prevent root rot
Temperature
Extremely cold-hardy, tolerating temperatures as low as -30°C; withstands hot summer heat with consistent moisture
Characteristics
- Leaf: Opposite, elliptical leaves that turn bright crimson in fall
- Flower: Small, greenish-white clustered blooms with four petals
- Fruit: Pink, four-lobed capsules splitting to reveal orange-red seed arils
Care Guide
Watering
Keep soil consistently moist but not waterlogged
Fertilization
Apply balanced slow-release fertilizer once at bud break. Avoid over-fertilizing to prevent excessive leaf growth at the expense of fall color
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle 1 teaspoon per plant around the base and lightly work into topsoil to avoid pest attractionPruning
- Prune in late winter to shape the shrub and remove dead, damaged, or crossing branches
- Thin crowded stems to improve airflow and sunlight penetration for better fall foliage development
- Remove suckers at the base to maintain a tidy, upright form
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic due to cardiac glycosides; may cause vomiting, diarrhea, and cardiac irregularities
Humans: Ingestion causes mild gastrointestinal upset; skin contact may cause minor irritation
Garden Uses & Culture
Culture: Symbolizes autumn vibrancy and seasonal transition in North American landscaping
Usage: Ornamental shrub for fall color accents; historically used in limited traditional medicine (not recommended for modern use)
