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Creeping Wild Rye
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Elymus triticoides
  

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About Creeping Wild Rye (Elymus triticoides) Elymus triticoides is species in the Poaceae (Grass) family known by the common names Creeping Wild Rye and Beardless Wild Rye. It is native to western North America from British Columbia to Texas, where it often grows in moist habitat, sometimes with heavy and saline soils. It forms a solid, rhizomatous root system which allows it to grow at water's edge and prevent the soil from eroding. It reaches 1.3 meters in maximum height with stiff, slender green to blue-green leaves that stand away from the stems at an obvious angle. The flower cluster is a narrow spike up to 20 centimeters long. This grass is not frequently used in residential gardens, but it is a good range land grass for grazing, and it is used to stabilize waterways because of its soil-retaining rhizome network.
Plant Description
Plant Type
Grasses

Max. Height
4 ft (1.2 m)

Growth Rate
Fast

Dormancy
Winter Deciduous

Native Status
Native

Natural Setting
Site Type
Moist, often saline, meadows and understory of various woodlands

Sun
Part Shade

Elevation ?
3' - 10173'

Annual Precip. ?
5.8" - 64.4"

Summer Precip. ?
0.14" - 3.37"

Coldest Month ?
23.8° F - 56.5° F

Hottest Month ?
46.4° F - 80.9° F

Humidity ?
0.49 vpd - 31.51 vpd

Soil Description
Tolerates most soils

Soil PH
6.0 - 9.0

Soil Toxicity Tolerance
Tolerates Sodic Soil

Drainage
Medium, Slow

Cold Tolerance(° F)
Tolerates cold to 0° F

Sunset Zones ?
1, 2*, 3*, 4, 5*, 6*, 7*, 8*, 9*, 10*, 11, 14*, 15*, 16*, 17*, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Companion Plants
Use under Oaks (Quercus sp.), Cottonwoods (Populus sp.), Sycamores (Platanus racemosa) and Willows (Salix sp.) along with Milkweed (Asclepias sp.), Seaside Daisy (Erigeron sp.), Coffeeberry (Frangula sp.), Toyon (Heteromeles arbutifolia), Vervain (Verbena lasiostachys), and Hollyleaf Redberry (Rhamnus ilicifolia).

Wildlife Attracted
This species is host plant to the Woodland Skipper butterfly

Landscaping Information
Ease of Care
Very Easy

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


Popularity
Seldom Used

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


Propagation ?
For propagating by seed: No treatment. Germination may be poor.

Common uses
Bogs and Ponds, Groundcovers, Butterfly Gardens

Nursery Availability
Commonly Available

Other Names
Common Names
Valley Wild Rye, Alkali Rye


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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