PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates brief periods of direct midday sun in temperate regions
Watering
Water deeply when the top 5 cm of soil is dry; drought-tolerant once bulbs are established
Temperature
Hardy to light frost; prefers cool to temperate growing conditions
Characteristics
- Leaf: Linear, grass-like bright green leaves growing in basal clumps
- Flower: Star-shaped pale blue to violet blooms with a yellow central throat; short-lived, opening for one day
- Stem: Slender, upright, unbranched stems bearing solitary terminal flowers
Care Guide
Watering
Keep soil slightly moist during active growth; avoid overwatering to prevent bulb rot
Fertilization
Diluted balanced liquid feed once monthly. Avoid high-nitrogen fertilizers to prevent excessive foliage growth at the expense of blooms
Composted coffee grounds tea：Use fully decomposed coffee grounds; dilute 1:30 with water for a gentle root drench to avoid soil pH imbalancePruning
- Remove spent blooms promptly to maintain a tidy garden appearance
- Trim yellowing foliage in late summer as plants enter dormancy
- Divide overcrowded bulb clumps every 2–3 years in autumn to promote healthy growth
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No listed toxicity to cats
Humans: No documented toxicity to humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental for wildflower gardens, rockeries, or container displays
