Wright Threeawn

(Aristida wrightii)

Wright Threeawn (Aristida wrightii)

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Estimated Native Range
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Summary

Aristida wrightii, commonly known as Wright Threeawn, is a deciduous perennial grass native to arid grasslands and desert regions of the Southwestern USA and Mexico. It typically grows to a height of 2 feet (0.6 meters) and a width of 1 foot (0.3 meters). This grass is characterized by its fine, wiry leaves and distinctive three-parted awns that appear on the seed heads, which can add texture to the landscape. The flowering season occurs in late summer to fall, and the flowers are not particularly showy but have an airy, delicate appearance that can catch the light beautifully.

Wright Threeawn is valued for its drought tolerance and ability to thrive in poor, well-drained soils, making it a suitable choice for xeriscaping and naturalistic plantings in arid regions. It is often used for erosion control and as an accent plant in rock gardens or dry borders. While it requires minimal maintenance, it is important to note that this grass can self-seed and may spread in the garden if not managed. It is best grown in full sun and can handle a range of soil types, provided they offer good drainage.CC BY-SA 4.0

Plant Description

  • Plant Type: Grass
  • Height: 1-3.5 feet
  • Width: 0.286-1 feet
  • Growth Rate: Moderate
  • Flower Color: N/A
  • Flowering Season: Spring, Summer, Fall
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun
  • Water: Low, Medium
  • Drainage: Medium

Common Uses

Bird Garden, Drought Tolerant, Erosion Control, Low Maintenance

Natural Habitat

Native to arid grasslands and desert regions of the Southwestern USA and Mexico

Other Names

Common Names: Wright’s Threeawn

Scientific Names: , Aristida parishii, Aristida wrightii, Aristida purpurea var. wrightii, Aristida purpurea var. parishii, Aristida wrightii var. parishii,

GBIF Accepted Name: Aristida wrightii Nash