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Products > Muhlenbergia rigens
 
Muhlenbergia rigens - Deer Grass

Note: This plant is no longer in stock. This is an archive page preserved for informational use.  
Image of Muhlenbergia rigens
[2nd Image]
Habit and Cultural Information
Category: Grass
Family: Poaceae (Gramineae) (Grasses)
Origin: California (U.S.A.)
California Native (Plant List): Yes
Evergreen: Yes
Flower Color: Silver
Bloomtime: Summer
Height: 4-5 feet
Width: 4-6 feet
Exposure: Sun or Shade
Seaside: Yes
Summer Dry: Yes
Irrigation (H2O Info): Low Water Needs
Winter Hardiness: <15° F
Muhlenbergia rigens (Deer Grass) - This wonderful warm season California native bunch grass typically has foliage to 3 feet in height and the plant gets to 5 feet when in flower with an equal spread. It has narrow leaves and long silver-gray flower panicles that arch gracefully 2 to 3 feet over the gray-green foliage in late summer.

Plant in full sun or partial shade. Once established, Deer Grass can go the entire summer without irrigation, but it can also tolerate regular garden water which keeps the foliage nearly evergreen. It is cold hardy to around 0 °F. This grass can be left alone for a natural look but best cut back in late winter to early spring to allow fresh new foliage to emerge. This is an extremely adaptable plant that can grow it hot dry xeric gardens as a companion to native or other mediterranean climate plants or can be used in the occasionally to regularly irrigated meadow, where it can be an accent or the common thread that knits the meadow together. It is a great grass used in mass for height in a natural meadow or as a specimen used sparingly with native shrubs and is great natural habitat for attracting birds and butterflies into the garden and according John Greenlee notes in his book American Meadow Garden, that it can also tolerate direct first seaside exposure.

Muhlenbergia rigens is found growing naturally in well-drained soils in many plant communities below 7,000 feet from near the Oregon-California border south to Mexico and east to Texas. It is thought that this wide range may be because the plant was encouraged and managed using fire by native Americans who used the long flower stems in basketry. The German naturalist Johann Christian Daniel von Schreber (1739-1810) named the genus for Gotthilf Heinrich (Henry) Ernst Muhlenberg (1753-1815) who was American born but returned to his ancestral Germany for schooling and later returned to America. He was an ordained Lutheran minister but devoted his free time to the study of the botany. The specific epithet is the Latin word for "rigid" or "stiff", likely in reference to the stiff stalks of the flowering stems. The common name Deer Grass is not because the plant is a preferred browse plant but because deer like to lay on the mounds. The long stems of the inflorescence were used by many Native American tribes for basketry and the seeds ground food.

We have grown and sold this durable native grass since 1993. 

Information displayed on this page about Muhlenbergia rigens is based on our research conducted about this plant in our nursery library as well as from information provided by reliable online resources. We also include our own observations made about it as it has grown in the nursery gardens and other gardens visited, as well how the crops of this plant performed in the containers in our nursery field. We will also include comments received from others and welcome hearing from anyone who has information about this plant, particularly if it includes cultural information aiding others to better grow it.

 
San Marcos Growers closed for regular business at the end of 2025 as the property is being developed for affordable housing.
While our gates remain closed, we will open them by appointment so we can liquidate remaining plants, supplies and equipment. The plants remaining in the field are listed on our Live Inventory Page.
 
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