PlantFun
Plant Needs
Sunlight
Partial sun to full sun; thrives in open wet habitats with consistent sunlight exposure
Watering
Requires consistently saturated to submerged soil; do not allow the growing medium to dry out completely
Temperature
Cold-hardy to subarctic temperatures; adapts well to cool temperate wetland environments
Characteristics
- Leaf: Compound pinnate leaves with sharply toothed leaflets, arranged alternately on stems
- Flower: Dense clusters of small white umbel inflorescences at stem apices
- Stem: Hollow, ridged green stems with small bulblets growing in leaf axils
- Root: Fleshy, tuberous roots containing the highly toxic cicutoxin
Care Guide
Watering
Maintain continuous soil saturation; supplement with water during prolonged dry spells
Fertilization
Minimal supplemental feeding; rely on natural soil nutrients. Do not over-fertilize, as this can disrupt the plant's natural growth cycle
Composted eggshell powder：Grind dried, rinsed eggshells to a fine powder; sprinkle sparingly on the soil surface to add calcium without altering soil pHPruning
- Remove dead, yellowing foliage in late autumn to reduce disease risk
- Trim back overgrown stems in mid-summer to maintain upright growth form
- Wear protective gloves during all handling to avoid skin contact with toxic sap
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Highly toxic; ingestion leads to seizures, tremors, and potentially fatal respiratory distress
Humans: Contains cicutoxin; ingestion causes fatal central nervous system disruption, including seizures and respiratory failure
Garden Uses & Culture
Culture: N/A
Usage: N/A (too toxic for ornamental or culinary use)
