PlantFun
Plant Needs
Sunlight
Prefers partial shade to full sun; tolerates dappled woodland shade and avoids intense midday heat
Watering
Keep soil consistently moist but not waterlogged; drought-tolerant once established
Temperature
Hardy to -15°C; thrives in cool temperate conditions, struggles in temperatures above 30°C
Characteristics
- Leaf: Basal leaves are round to heart-shaped with scalloped edges; upper leaves are triangular, toothed, and emit garlic scent when crushed
- Flower: Small white four-petaled flowers arranged in terminal racemes
- Stem: Erect, smooth, green to purplish-green stems with sparse branching
Care Guide
Watering
Keep soil evenly moist during active growth and flowering
Fertilization
Light feeding with diluted organic matter. Use low-nitrogen, balanced organic feeds to avoid excessive foliage growth that reduces flowering
Composted eggshell powder：Mix 1–2 tablespoons of crushed, composted eggshell powder into topsoil to boost calcium levels; avoid direct contact with stems to prevent burningPruning
- Deadhead spent flowers immediately to prevent self-seeding, especially in regions where it is classified as invasive
- Cut back basal foliage in late autumn to encourage fresh spring growth
- Thin overcrowded seedlings to improve airflow and reduce competition for nutrients
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA does not list as toxic to cats; no documented adverse effects
Humans: Contains glucosinolates; large ingestion may cause gastrointestinal irritation
Garden Uses & Culture
Culture: N/A
Usage: Young leaves are edible in small quantities as a foraged herb; classified as an invasive weed in parts of North America
