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American Beak Grass

Diarrhena americana

American Beak Grass is a perennial grass native to woodland areas of the eastern United States. It grows typically 2 to 3 feet tall, forming clumps of narrow, glossy green leaves that arch gracefully. In late summer to early fall, it produces tall, slender flower spikes that bear distinctive, beak-shaped seed heads, from which it derives its common name. These seed heads add a unique textural element to the garden landscape and persist into winter, providing visual interest during the colder months.

Well-suited for shaded or partially shaded environments, American Beak Grass thrives in moist, well-drained soil, making it an excellent choice for woodland gardens, along stream banks, or in shady borders. Its ability to grow in low-light conditions and its ornamental qualities make it a valuable addition to any garden seeking to balance beauty with natural adaptation.

Details

Height24” - 36”
Spread24"
Bloom SeasonJuly – September
Soil Types
clayClay
loamLoam
sandSand
Soil Moisture
dryDry
mediumMedium
moistMoist
Sun Exposure
fullShadeFull Shade
partSunPart Sun

Range Map

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Ecological Benefits

Maintenance Tips

  • Prefers moist conditions but is somewhat drought-tolerant once established; water regularly during prolonged dry periods.
  • Minimal pruning is needed. Cut back the foliage in early spring to encourage fresh growth and maintain a tidy appearance.
  • Thrives in rich, well-drained soils; amend with organic matter to improve moisture retention and soil structure.
  • Apply a layer of organic mulch to conserve moisture, suppress weeds, and provide a neat base for the plant.
  • Monitor for signs of disease or pests, though it is generally a robust and low-maintenance plant.

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