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Deschampsia elongata
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Deschampsia elongata

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About Hairgrass (Deschampsia elongata) Deschampsia elongata is a species of grass known by the common name slender hairgrass. It is native to western North America from Alaska to Wyoming to northern Mexico, and South America in Chile. It grows at all elevations, often in moist areas. It is a perennial grass forming dense clumps sometimes exceeding a meter in height. Most of the leaves are located in a tuft about the base of the stems. The flower cluster is a thin row of V-shaped spikelets arranged parallel to and mostly flat against the stem.
Plant Description
Plant Type

Max. Height
2.3 - 3.3 ft (0.7 - 1 m)


Growth Rate

Flower Color

Flowering Season

Native Status

Natural Setting
Site Type
Wet places, meadows, lakeshores, slopes

Sun, Part Shade, Full Shade

Elevation ?
7' - 10692'

Annual Precip. ?
5.6" - 158.4"

Summer Precip. ?
0.19" - 6.12"

Coldest Month ?
20.7° F - 53.9° F

Hottest Month ?
45.1° F - 80.3° F

Humidity ?
0.01 vpd - 29.33 vpd

Soil Description
Prefers moist, slow draining soil


Sunset Zones ?
1, 2, 3, 4*, 5*, 6*, 7, 8, 9, 14*, 15*, 16*, 17*, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Landscaping Information
Water Requirement ?
Extremely Low
Very Low
Moderate - High

Propagation ?
For propagating by seed: No treatment.

Common uses
Deer Resistant

Nursery Availability
Commonly Available

Other Names
Common Names
Slender Hairgrass

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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