PlantFun
Plant Needs
Sunlight
Full sun to partial sun; thrives in bright, dry sunny conditions
Watering
Allow soil to fully dry between waterings; highly drought-tolerant once established
Temperature
Hardy to cold temperatures; withstands mild frost and hot, dry summer heat
Characteristics
- Leaf: Narrow linear gray-green leaves, arranged alternately along slender stems
- Flower: Abundant five-petaled sky-blue blooms, short-lived but profuse
- Stem: Slender, branching, hairless upright stems
Care Guide
Watering
Water regularly during active growth; avoid overwatering to prevent root rot
Fertilization
Diluted balanced liquid feed once monthly. Use low-nitrogen feed to promote abundant flowering
Eggshell powder topdressing：Crush dried, rinsed eggshells into fine powder; sprinkle lightly on soil surface to add calcium without burning delicate rootsPruning
- Deadhead spent blooms promptly to encourage extended flowering period
- Trim back faded stems to ground level in late autumn to tidy growth
- Remove damaged or yellowing foliage to improve air circulation
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-aligned: No known toxicity to cats
Humans: No known toxic effects to humans with typical ornamental use
Garden Uses & Culture
Culture: N/A
Usage: Ornamental rock garden and wildflower meadow plant
