PlantFun
Plant Needs
Sunlight
Prefers full sun to partial shade; tolerates dry, exposed growing conditions
Watering
Drought-tolerant; water only when the top 5 cm of soil is completely dry to avoid root rot
Temperature
Hardy to USDA zone 3; tolerates extreme winter cold and summer heat
Characteristics
- Leaf: Basal leaves are broad, lanceolate to ovate, with toothed margins; stem leaves are narrower and clasp the stem.
- Flower: Tiny white four-petaled blooms arranged in dense terminal racemes.
- Stem: Erect, branched stems with smooth, hairless texture.
Care Guide
Watering
Water occasionally during prolonged dry spells; avoid overwatering
Fertilization
Light, diluted organic feed once monthly. Use low-nitrogen feed to promote flowering rather than foliage growth
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels without odorPruning
- Deadhead spent blooms to prevent unwanted self-seeding in managed gardens
- Cut back stems to basal growth in late autumn to encourage vigorous new spring growth
- Remove damaged or diseased stems promptly to maintain plant health
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported adverse effects
Humans: No known toxic effects for humans; young leaves are edible with a peppery flavor
Garden Uses & Culture
Culture: N/A
Usage: Edible young leaves with a peppery, mustard-like flavor; ornamental wildflower for pollinator gardens
