PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates dappled woodland light for underplanting
Watering
Keep soil evenly moist during active growth; avoid waterlogging to prevent bulb rot
Temperature
Hardy to USDA zone 4; tolerates freezing winter temperatures and warm summer heat
Characteristics
- Leaf: Narrow, strap-like basal leaves, 30–60 cm long, grass-like texture
- Flower: Star-shaped, pale blue to white blooms arranged in dense terminal racemes
- Stem: Erect, smooth green stems supporting clustered flower heads
Care Guide
Watering
Keep soil consistently moist but not saturated during active growth
Fertilization
Apply balanced slow-release fertilizer when new growth emerges. Use low-nitrogen fertilizer to promote bulb development over foliage growth
Eggshell powder topdress：Crush clean, dried eggshells into fine powder; sprinkle lightly around plant base in early spring; avoid direct contact with foliagePruning
- Deadhead spent blooms to redirect energy to bulb growth
- Cut back yellowing foliage after it dies back naturally in late summer
- Thin overcrowded clumps every 3–4 years to improve air circulation and blooming
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA confirmed non-toxic to cats
Humans: Non-toxic to humans; historically used as a food source by Indigenous peoples
Garden Uses & Culture
Culture: N/A
Usage: Ornamental meadow plant; historical food source for Indigenous Eastern North American peoples
