PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates coastal salt spray and wet growing conditions
Watering
Keep soil consistently moist; tolerates shallow standing water in garden bog settings
Temperature
Hardy to -15°C; withstands hot summer temperatures with adequate soil moisture
Characteristics
- Leaf: Reduced to brown basal sheaths; photosynthetic stems are cylindrical, blue-green, rigid
- Flower: Small brownish-green spikelets clustered at stem tips
- Root: Dense fibrous root system forming tight clumps
Care Guide
Watering
Maintain consistent soil moisture; allow shallow standing water if desired
Fertilization
Light low-nitrogen feed once monthly. Avoid over-fertilization to preserve compact, upright growth habit
Eggshell powder top dressing：Sprinkle a thin layer of crushed eggshells around clump bases in spring; avoid direct contact with stems to prevent rotPruning
- Trim back dead or yellowed stems to ground level in early spring
- Divide overcrowded clumps every 2–3 years in spring to maintain vigor
- Remove faded flower spikes to preserve a tidy landscape 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 effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental grass for wet landscapes; erosion control in moist soil areas
