PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates moderate shade in hot summer climates
Watering
Water deeply when top 5–7 cm of soil is dry; drought-tolerant once established
Temperature
Hardy to -20°C; withstands moderate summer heat but prefers cool growing conditions
Characteristics
- Leaf: Flat, linear blue-green blades 15–40 cm long with rough margins
- Flower: 15–30 cm long panicle inflorescence with purplish spikelets
- Stem: Upright, round sturdy culms forming dense clumps
Care Guide
Watering
Water regularly during active growth to maintain lush foliage
Fertilization
Apply balanced slow-release fertilizer once. Use low-nitrogen fertilizer to prevent excessive blade growth that may reduce winter hardiness
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle 1–2 tbsp per clump in early spring; water in lightly to incorporate into soilPruning
- Cut back dead foliage to 5 cm in late winter before new spring growth emerges
- Thin overcrowded clumps every 2–3 years to improve airflow and reduce disease risk
- Trim spent seed heads in late summer to maintain a tidy appearance
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported toxicity
Humans: Non-toxic to humans; no known adverse health effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental grass for borders, meadows, or erosion control; occasional forage for livestock
