PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates mild afternoon shade in hot summer climates to prevent leaf scorch
Watering
Water when the top 2–3 cm of soil dries completely; avoid overwatering to prevent root rot and fungal growth
Temperature
Hardy to -10°C; thrives in cool to temperate conditions; protect from extreme heat above 32°C
Characteristics
- Leaf: Narrow lanceolate gray-green leaves arranged oppositely along slender stems
- Flower: Five-petaled blooms that transition from pale pink to pure white as they mature
- Stem: Branching green stems covered in fine, soft pubescence
Care Guide
Watering
Keep soil evenly moist but not waterlogged during active growth
Fertilization
Diluted balanced liquid feed every 2 weeks. Discontinue fertilization entirely in autumn and winter
Eggshell powder topdress：Bake crushed eggshells at 120°C for 10 minutes to kill pathogens, then sprinkle 1–2 tbsp on soil surface to boost calcium levels and deter blossom end rotPruning
- Deadhead spent blooms regularly to encourage prolonged flowering through early summer
- Cut back stems to ground level after flowering to promote healthy new growth the following spring
- Thin overcrowded clumps in early spring to improve airflow and reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported adverse effects from ingestion or contact
Humans: No known toxicity to humans; safe for handling and incidental contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental garden plant, cut flower arrangements
