PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates short periods of full shade, with best flowering in full sun
Watering
Keep soil consistently moist but not waterlogged; drought-tolerant once established
Temperature
Hardy to -15°C; thrives in cool to temperate conditions; avoid prolonged temperatures above 32°C
Characteristics
- Leaf: Basal rosette of oblong to lanceolate leaves with toothed margins; stem leaves are smaller, clasping the stem
- Flower: Small, four-petaled yellow blooms arranged in dense terminal racemes
- Stem: Slender, creeping or ascending stems that root at nodes to form spreading clumps
Care Guide
Watering
Keep soil evenly moist; increase watering frequency during hot, dry spells
Fertilization
Diluted balanced liquid feed once every 2 weeks. Discontinue fertilization in autumn and winter when growth slows
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle a thin layer around the base of plants; avoid direct contact with stems to prevent potential burnPruning
- Trim back spent flower heads to encourage extended blooming and prevent excessive self-seeding
- Thin overcrowded clumps in mid-spring to improve airflow and reduce disease risk
- Cut back stems to ground level in late autumn to promote fresh growth in the following spring
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No listed toxicity to cats
Humans: No known toxic effects to humans; young leaves are edible in small culinary quantities
Garden Uses & Culture
Culture: N/A
Usage: Groundcover for moist garden edges and stream banks; young leaves are edible raw in salads or cooked as greens
