Hardgrass (Sclerochloa dura)

Hardgrass

Sclerochloa dura

It forms tight drought-tolerant mats, a quiet ground cover for dry rock gardens. Low-growing perennial grass; common name: Hardgrass.

Full sun
0–1/week
Beginner
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Plant Needs

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Sunlight Thrives in full sun to partial sun; tolerates exposed, dry sites
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Watering Drought-tolerant; only water during prolonged, extreme dry spells
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Temperature Hardy to cold winter temperatures; withstands moderate summer heat
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Characteristics

  • Leaf: Narrow, linear, flat or involute leaves (2–10 cm long) with smooth margins
  • Flower: Compact spike-like panicles bearing small, greenish florets
  • Stem: Slender, erect or decumbent stems forming dense, low mats
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Care Guide

Watering

Minimal supplemental watering only if soil is completely dry

Fertilization

Optional light, diluted feed once per season. Fertilization is not required for healthy growth in native habitats

Crushed eggshell topdressing:Sprinkle a thin layer of finely crushed eggshells around plant bases to improve soil drainage and add trace calcium
Pruning
  • Trim to maintain desired mat height in late spring after flowering
  • Remove dead foliage in early spring to promote new growth
  • Thin overcrowded clumps to improve airflow and reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: N/A

Usage: Low-maintenance lawn alternative for dry, low-fertility sites; rock garden ground cover