PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates exposed, dry grassland conditions
Watering
Water only during prolonged dry spells; drought-tolerant once established
Temperature
Hardy to -10°C; thrives in cool temperate spring growing conditions
Characteristics
- Leaf: Small, oblong to linear opposite leaves with smooth margins
- Flower: Tiny 4-petaled blue to pale violet blooms in axillary racemes
- Stem: Slender, branching stems with fine, sparse pubescence
Care Guide
Watering
Water occasionally during extended dry periods; avoid overwatering to prevent root rot
Fertilization
No regular fertilization needed; tolerates nutrient-poor soils. Do not apply high-nitrogen fertilizers
Crushed eggshell powder：Sprinkle a thin layer around plant bases in early spring; avoid direct contact with foliage to prevent burningPruning
- Deadhead spent blooms to encourage extended flowering period
- Trim back dying foliage after flowering to tidy planting areas
- Remove self-sown seedlings if spreading beyond desired bounds
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-verified non-toxic to cats; no adverse effects from ingestion or contact
Humans: No known toxic effects for humans; safe for handling and consumption in small quantities
Garden Uses & Culture
Culture: N/A
Usage: Pollinator-friendly wildflower for meadows; ground cover for rock gardens
