PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in exposed, sunny garden spots and tolerates light afternoon shade in hot climates
Watering
Water deeply when the top 2–3 cm of soil is dry; drought-tolerant once established, requiring minimal supplemental watering
Temperature
Hardy to -15°C; adapted to cool to temperate climates and tolerates moderate summer heat without wilting
Characteristics
- Leaf: Basal rosette of lobed, warty-textured leaves with peppery flavor; stem leaves are smaller, clasping.
- Flower: Clusters of small, four-petaled bright yellow blooms arranged in racemes.
- Stem: Erect, branched, slightly hairy stems with visible warty protrusions along the surface.
Care Guide
Watering
Keep soil evenly moist during active growth to support foliage and bloom production
Fertilization
Light, balanced organic feed once monthly. Use diluted feed to prevent nutrient burn in poor soil conditions
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels and deter slugs from feeding on leavesPruning
- Deadhead spent blooms to encourage extended flowering and prevent self-seeding in managed gardens.
- Trim back faded foliage to ground level in late autumn to promote fresh spring growth.
- Thin overcrowded clumps every 2–3 years to improve airflow and reduce competition for nutrients.
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: No known toxicity to cats per ASPCA records
Humans: No known toxicity to humans; leaves are edible when harvested young
Garden Uses & Culture
Culture: N/A
Usage: Edible young leaves (peppery flavor for salads or cooked greens); ornamental wildflower for pollinator gardens
