Blue Dune Lyme Grass
Elymus arenarius 'Blue Dune'
Description | Striking silver-blue foliage is a standout in any landscape. Highly effective when paired with purple flowers or plants with maroon foliage. Produces wheat-colored plumes in summer. Foliage clumps spread vigorously by rhizomes; very useful for filling in large areas quickly and for erosion control. Very heat tolerant. |
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Light | Full sun, Partial sun |
Watering | Water when top 2 inches of soil is dry. |
Blooms | Late summer |
Mature Size | Quickly forms clumps 2 ft. tall and wide; 3 ft. tall in bloom. |
Deciduous/Evergreen | Herbaceous |
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Special Features | Dramatic Foliage Color, Easy Care, Waterwise, Fast Growing, Benefits Birds |
Problems/Solutions | Erosion Control |
Growth Rate | Fast |
Growth Habit | Spreading |
Landscape Use | Border, Ground Cover, Hillside |
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Flower Color | Brown |
Foliage Color | Silver-blue |
Companion Plants | Ninebark (Physocarpus); Catmint (Nepeta); Potentilla (Potentilla); Shrub Rose (Rosa); Cranesbill (Geranium) |
Care | Grows easily in a wide range of soils; less vigorous in dry, clay soils. Water regularly in first growing season to establish an extensive root system. Once established, reduce frequency; tolerates periodic dry spells. Space 2 to 3 ft. apart as groundcover; closer for faster coverage. May be cut back in late spring to rejuvenate foliage. |
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This Plant's Growing Zones: 4-9

Your USDA Cold Hardiness Zone:
Your climate may be too cold for this plant
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About Us
We have been pioneers and craftsmen in the art of growing plants for nearly
100 years. Since our founding in Southern California by Harry E. Rosedale, Sr.
in 1926, we have been absolutely dedicated and obsessed with quality.
We have been pioneers and craftsmen in the art of growing plants for nearly 100 years. Since our founding in Southern California by Harry E. Rosedale, Sr. in 1926, we have been absolutely dedicated and obsessed with quality.