PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerate light afternoon shade in hot, arid regions to prevent bloom fade
Watering
Water when the top 2–3 cm of soil dries completely; avoid overwatering to prevent root rot
Temperature
Extremely cold hardy to -30°C; avoid prolonged exposure to temperatures above 30°C to prevent stress
Characteristics
- Leaf: Small heart-shaped basal leaves; narrower linear stem leaves
- Flower: Bell-shaped or star-shaped blooms in blue, white, or pink; 2–3 cm diameter
- Stem: Slender upright stems with minimal branching
Care Guide
Watering
Keep soil evenly moist but not waterlogged; water deeply to encourage root growth
Fertilization
Apply balanced diluted fertilizer once monthly. Discontinue fertilization in late summer to prepare plants for dormancy
Eggshell powder topdress：Grind dried eggshells to a fine powder; sprinkle lightly on soil surface and water in to release calcium graduallyPruning
- Deadhead spent blooms regularly to promote continuous flowering throughout summer
- Trim back faded foliage to ground level in late autumn to tidy the planting area
- Divide overcrowded clumps every 2–3 years in early spring to maintain plant vigor
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxic effects for humans
Garden Uses & Culture
Culture: Symbolizes gratitude and humility in traditional floral language
Usage: Ornamental for rock gardens, border edging, and hanging container displays
