PlantFun
Plant Needs
Sunlight
Full sun to partial shade; prefers morning sun with afternoon shade in hot climates
Watering
Water when top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
Temperature
Hardy to -15°C; tolerate cool temperatures, avoid prolonged heat above 30°C
Characteristics
- Leaf: Simple, alternate leaves; oval to lanceolate, with serrated margins
- Flower: Bell-shaped, star-shaped, or cup-shaped blooms in shades of blue, purple, pink, or white
- Stem: Slender, upright to trailing stems; green to reddish-green
Care Guide
Watering
Keep soil consistently moist but not waterlogged
Fertilization
Feed with balanced diluted fertilizer every 2 weeks. Stop fertilizing in late summer to prepare for dormancy
Eggshell powder top-dressing：Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around base of plants; water in gently to release nutrientsPruning
- Deadhead spent blooms regularly to encourage continuous flowering
- Cut back stems to ground level after flowering to promote new growth
- Trim overcrowded stems in early spring to improve airflow
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxic effects on humans
Garden Uses & Culture
Culture: Symbolizes gratitude, constancy, and affection in Victorian floriography
Usage: Ornamental garden plant; cut flower arrangements
