PlantFun
Plant Needs
Sunlight
Requires full sun to partial shade; thrives in cool, bright alpine conditions; protect from intense midday summer sun in warmer regions
Watering
Keep soil consistently moist but well-drained; avoid waterlogging to prevent root rot
Temperature
Tolerates light frost down to 0°C; prefers cool temperatures between 10–18°C; avoid prolonged heat above 22°C
Characteristics
- Leaf: Basal rosette of oblong, glossy green leaves; stem leaves are smaller and opposite
- Flower: Bright blue, trumpet-shaped flowers with 5 fused petals; yellow stamens at center
- Stem: Slender, upright green stems with minimal branching
Care Guide
Watering
Keep soil evenly moist; water when top 1 cm of substrate dries
Fertilization
Diluted balanced liquid feed once every 4 weeks. Use a low-strength, balanced fertilizer to avoid overfeeding
Eggshell powder topdressing：Grind dried eggshells to fine powder; dust lightly on soil surface to improve drainage and add calcium without risk of overfertilizationPruning
- Deadhead spent flowers to maintain tidy growth and prevent self-seeding if desired
- Trim back yellowing basal leaves in early spring to promote new growth
- Remove any damaged or diseased stems after flowering to reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No documented toxicity to cats
Humans: No documented toxicity to humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental for rock gardens, alpine troughs, and wildflower meadows
