PlantFun
Plant Needs
Sunlight
Requires 6–8 hours of direct sunlight daily for optimal blooming; tolerate partial shade in hot summer climates
Watering
Water deeply when the top 2–3 cm of soil dries out; avoid overwatering to prevent root rot
Temperature
Thrives in cool temperate conditions; tolerate light frost but avoid prolonged heat above 27°C
Characteristics
- Leaf: Narrow, lance-shaped gray-green foliage with fine, soft hairs
- Flower: Dense terminal spikes of four-petaled blooms in white, pink, purple, or yellow; intensely fragrant
- Stem: Upright, branching stems with slightly woody lower sections in mature plants
Care Guide
Watering
Keep soil consistently moist during active growth and blooming
Fertilization
Apply balanced liquid fertilizer every 2 weeks. Use diluted, low-nitrogen fertilizer to encourage abundant flowering
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels and reduce blossom end rot riskPruning
- Deadhead spent flower spikes to encourage secondary blooming in mild climates
- Trim back leggy stems in early spring to promote compact, bushy growth
- Remove yellowing or damaged foliage to maintain plant health and improve airflow
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA confirmed non-toxic; no adverse effects reported
Humans: No known toxic effects from ingestion or contact
Garden Uses & Culture
Culture: Associated with remembrance and happy memories in Victorian floriography
Usage: Cut flower for fragrant bouquets; garden border and container ornamental
