PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates moderate shade in hot climates
Watering
Water deeply when the top 5 cm of soil dries out; avoid waterlogging to prevent root rot
Temperature
Hardy to -15°C; thrives in cool temperate conditions, tolerates mild summer heat
Characteristics
- Leaf: Flat, linear leaves with rough margins, bright green, up to 30 cm long
- Flower: Dense, one-sided, branching panicles with purplish-green spikelets
- Stem: Erect, smooth stems forming tight, compact clumps
Care Guide
Watering
Keep soil consistently moist during active growth periods
Fertilization
Light application of balanced, slow-release fertilizer once. Avoid high-nitrogen fertilizers to prevent excessive leaf growth
Eggshell powder topdressing：Crush dried eggshells into fine powder and sprinkle a thin layer around clumps; avoid direct contact with stems to prevent fungal growthPruning
- Trim back dead foliage in late winter to promote new spring growth
- Thin overcrowded clumps every 2–3 years to improve airflow and reduce competition
- Remove spent flower heads to prevent unwanted self-seeding if desired
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA confirms no toxicity to cats
Humans: No known toxic effects on humans
Garden Uses & Culture
Culture: N/A
Usage: Forage for livestock, ornamental meadow grass, erosion control on slopes
