PlantFun
Plant Needs
Sunlight
Full sun to partial shade; prefers open, unobstructed sunlight for optimal flowering
Watering
Water regularly during dry periods, allowing the top 2–3 cm of soil to dry between waterings to prevent root rot
Temperature
Tolerates cool spring temperatures; avoid prolonged exposure to temperatures above 28°C which may stunt growth
Characteristics
- Leaf: Finely dissected, fern-like bright green basal and stem leaves
- Flower: Spikes of irregular blue, pink, or white flowers with a distinctive elongated spur
- Stem: Slender, branching upright stems covered in fine, soft hairs
Care Guide
Watering
Keep soil evenly moist during active growth and flowering
Fertilization
Apply a light, balanced granular fertilizer at planting. Avoid over-fertilizing, as this can lead to leggy growth and reduced flowering
Eggshell powder topdressing：Crush dried eggshells into fine powder and sprinkle lightly on soil surface at planting to improve soil structure and add calciumPruning
- Deadhead spent flower spikes to extend the flowering period by 2–3 weeks
- Remove yellowing or damaged foliage to improve airflow and reduce disease risk
- Cut back the entire plant to ground level after flowering to allow self-sowing for the next growing season
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-classified toxic; ingestion causes vomiting, diarrhea, muscle tremors, and potential seizures
Humans: Contains toxic alkaloids; large ingestion may cause nausea, dizziness, and cardiac irregularities
Garden Uses & Culture
Culture: N/A
Usage: Ornamental wildflower garden plant; cut flower (handle with caution due to toxicity)
