PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in open wetland settings, tolerates shaded river edges
Watering
Requires permanent saturated or standing water; cannot tolerate dry soil for extended periods
Temperature
Hardy to USDA zones 6–9; tolerates brief light frost but prefers warm temperate conditions
Characteristics
- Leaf: Oblong to elliptical, glossy dark green, turning bright red or purple in autumn
- Root: Flared buttress roots adapted to saturated, low-oxygen wetland soils
- Flower: Small, greenish-white, clustered in axillary racemes
Care Guide
Watering
Maintain consistent standing water level of 10–30 cm
Fertilization
Diluted balanced organic feed once every 2 months. Avoid over-fertilization to prevent algal blooms in standing water
Composted leaf mold tea：Steep fully composted oak or maple leaf mold in water for 72 hours, dilute 1:20, and apply as a root drench to avoid water contaminationPruning
- Remove dead or damaged branches in late winter to improve canopy airflow
- Trim lower low-hanging branches to maintain a clear trunk if grown as a specimen tree
- Avoid heavy pruning, as it may stress the tree’s specialized wetland root system
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: No documented toxic effects on cats (ASPCA unlisted)
Humans: No documented toxic effects on humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental wetland tree; provides nesting habitat for waterfowl and songbirds
