PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in bright, direct sunlight in Mediterranean climates; tolerate light afternoon shade in hot regions
Watering
Water deeply when top 2 cm of soil is dry; tolerate drought once established; avoid waterlogged soil
Temperature
Hardy to -5°C briefly; prefers 15–25°C during growing season; avoid prolonged frost exposure
Characteristics
- Leaf: Reduced to small, scale-like bracts along stems; no true foliage leaves
- Flower: Star-shaped, bright blue, 1–2 cm diameter, with six tepals
- Stem: Slender, green, upright stems bearing terminal flower clusters
Care Guide
Watering
Keep soil slightly moist during active growth period
Fertilization
Diluted balanced feed once every 6 weeks. Use low-nitrogen feed to prioritize flower production over foliage growth
Crushed eggshell powder：Sprinkle a thin layer on soil surface; avoid direct contact with stems to prevent irritationPruning
- Deadhead spent blooms promptly to encourage prolonged flowering
- Trim back yellowed stems to ground level after flowering to maintain tidy clumps
- Divide overcrowded clumps in early spring to improve airflow and reduce competition
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA does not list this plant as toxic to cats
Humans: No known toxic effects to humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental rock garden plant; cut flower for small, delicate floral arrangements
