Photo by Melody

PlantFiles: Blue Lyme Grass, Sand Rye Grass
Leymus arenarius 'Blue Dune'

Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Leymus (LEE-mus) (Info)
Species: arenarius (ar-en-AR-ee-us) (Info)
Cultivar: Blue Dune

Synonym:Elymus arenarius

3 vendors have this plant for sale.

11 members have or want this plant for trade.

Ornamental Grasses and Bamboo

Unknown - Tell us

Unknown - Tell us

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
May be a noxious weed or invasive
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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to view:

By nifty413
Thumbnail #1 of Leymus arenarius by nifty413

By Cville_Gardener
Thumbnail #2 of Leymus arenarius by Cville_Gardener

By Cville_Gardener
Thumbnail #3 of Leymus arenarius by Cville_Gardener


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive donnacreation On May 12, 2010, donnacreation from Sumter, SC (Zone 8a) wrote:

This is a beautiful ornamental grass that keeps it's dramatic color here in central SC throughout most of winter. The color reminds me of the silvery blue color of Bismarck palms. I planted mine with setcreasea purpurea and orange coreopsis for a beautiful, dramatic effect. Protect from ground voles.


This plant has been said to grow in the following regions:

Santa Rosa Beach, Florida
Augusta, Georgia
Grand Rapids, Michigan
Ludington, Michigan
Sumter, South Carolina
Clarksville, Tennessee
Austin, Texas
La Vernia, Texas
Newport News, Virginia

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