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Agrostis pallens
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Thingrass
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Agrostis pallens
  

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About Thingrass (Agrostis pallens) Agrostis pallens is a species of grass known by the common name seashore bent grass. It is native to western North America from British Columbia to Montana to California, where it grows in many types of habitats. In California it is widespread except for the central valley and deserts. It is a perennial grass growing 10 to 70 centimeters in height, sometimes from a rhizome. The leaves vary in width and length but are generally not more than 5 centimeters long. The flower cluster is a narrow array of thin branches bearing small clusters of spikelets, each spikelet being just a few millimeters long.


This is a native grass that can be used as a lawn substitute. It has a deep green color, medium leaf blades, can be mowed if desired, requires half the water of non-native lawn grasses, and tolerates some foot traffic. If mowed, the look would be similar to the edge of a golf course fairway; if not mowed it will have a meadow look. This grass is becoming more available through commercial seed vendors as people look for alternatives to non-native lawn grasses.
Plant Description
Plant Type
Grass

Max. Height
0.33 - 2.3 ft (0.1 - 0.7 m)

Form
Upright, Spreading

Fragrance
None

Growth Rate
Moderate

Dormancy
Evergreen, Summer Semi-Deciduous

Flower Color
Green

Flowering Season
Spring
Spring
Summer
Fall
Winter


Native Status
Native

Natural Setting
Site Type
Open meadows, grasslands, coastal strand, openings in chaparral, woodland or forest

Sun
Sun, Part Shade, Full Shade

Elevation ?
-23' - 14119'

Annual Precip. ?
8.9" - 132.2"

Summer Precip. ?
0.14" - 4.41"

Coldest Month ?
18.1° F - 56.4° F

Hottest Month ?
39.0° F - 80.8° F

Humidity ?
0.01 vpd - 27.58 vpd

Soil Description
Tolerates a variety of soils as long as drainage is good

Soil Texture
Clay, Sand

Soil PH
5.0 - 8.0

Drainage
Medium

Cold Tolerance(° F)
Tolerates cold to -10° F

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

Companion Plants
Can be combined with many different plants depending on the use. In a meadow-like garden or rock garden it can be used with various annuals or herbaceous perennials. In the understory of a woodland garden it can be used with virtually any trees or large shrubs.

Landscaping Information
Ease of Care
Very Easy

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


Popularity
Moderately Popular

Max. Summer Water ?
2x/month, 3x/month
No Summer Water
1x/month
2x/month
3x/month
1/week
Keep moist


Pruning
Can tolerate close mowing heights, making it a good lawn alternative.

Common uses
Groundcovers

Nursery Availability
Commonly Available

Other Names
Common Names
Seashore Bent Grass, Seashore Bentgrass


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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