PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates extended drought and cold temperatures
Watering
Water deeply when the top 5–7 cm of soil dries out; highly drought-tolerant once established
Temperature
Extremely cold-hardy; tolerates moderate summer heat up to 30°C
Characteristics
- Leaf: Narrow, flat or rolled, blue-green to gray-green, 10–20 cm long
- Flower: Dense, spiky inflorescences (spikes) with crested spikelets, pale green to tan
- Stem: Slender, upright culms forming tight, compact clumps
Care Guide
Watering
Water every 7–10 days during active growth periods
Fertilization
Light application of balanced, slow-release fertilizer once. Avoid high-nitrogen fertilizers to prevent excessive, weak foliage growth
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle lightly on soil surface and water in slowly to release calcium over timePruning
- Mow or trim to 5–7 cm height in late fall to remove dead foliage and promote spring regrowth
- Thin overcrowded clumps in early spring to improve airflow and reduce disease risk
- Remove seed heads in late summer to prevent unwanted self-seeding
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxic effects on humans
Garden Uses & Culture
Culture: N/A
Usage: Forage for livestock; erosion control on slopes; ornamental ground cover
