PlantFun
Plant Needs
Sunlight
Full sun to partial shade; full sun maximizes intense fall foliage color
Watering
Water deeply when the top 5 cm of soil is dry; avoid overwatering to prevent root rot in heavy clay soils
Temperature
Extremely cold hardy to -30°C; tolerates summer heat up to 35°C; protect from prolonged extreme cold winds
Characteristics
- Leaf: Oval, dark green opposite leaves turning bright crimson in fall
- Stem: Distinctive corky winged ridges along young stems for cold hardiness
- Flower: Small, inconspicuous greenish-yellow axillary clusters
- Fruit: Pink capsules splitting to reveal orange-red arils in autumn
Care Guide
Watering
Keep soil consistently moist during active growth periods
Fertilization
Apply balanced slow-release fertilizer once at bud break. Avoid high-nitrogen fertilizers, which can reduce fall foliage intensity
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle 1 tbsp per plant in early spring to boost soil calcium content without overfertilizingPruning
- Prune in late winter to early spring to maintain compact rounded shape
- Remove dead, damaged, or crossing branches to improve airflow
- Thin overcrowded stems to enhance light penetration for more vibrant fall color
- Avoid heavy pruning that removes winged stem growth, a key ornamental trait
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; contains cardiac glycosides and alkaloids that cause gastrointestinal distress and rare cardiac irregularities
Humans: Contains alkaloids that cause mild gastrointestinal irritation if ingested; sap may irritate sensitive skin
Garden Uses & Culture
Culture: Autumn foliage symbolizes seasonal warmth and transition; popular for foundation plantings and hedges
Usage: Ornamental garden shrub; low hedge plant; fall color accent
