Images Depict Mature Plants

Blue Dune Lyme Grass Lymus

Elymus arenarius 'Blue Dune'

Blue Dune Lyme Grass has attractive grassy leaves are steel blue in color. The foliage often turns tan in fall. The tan seed heads are carried on spikes from mid summer to late fall. If you need a plant to control erosion on slopes and hillsides this is the plant for you.

Sale Price $22.95 USD
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Blue Dune Lyme Grass for Sale Online

Leymus Blue Dune or Elymus Blue Dune is a bright blue, cool-season ornamental grass that maintains its coloring throughout the growing season. In the spring, straw-colored seed heads appear 8-12 inches above the foliage. Leymus arenarius ‘Blue Dune’ is native to Western Europe where it can be found in sand dunes as well as in rich soils. Blue Dune Lyme Grass spreads by rhizomes, so it can be used as a tall ground cover, and for controlling soil erosion on hillsides and dunes.

The powder blue foliage makes this a strong accent in the mixed perennial border. the color blends well with purple and marron plants. Fills in large areas of the landscape quickly and is a great choice as a groundcover where little else will grow.

Does very well in containers and patio pots due to its drought tolerance.


Hardiness Zone: 4-9
Mature Height: 1.5 to 2 Feet
Mature Width: 2 to 3 Feet
Sunlight: Full sun to part shade
Water Requirements: Drought tolerant after established
Selling Points: Deer Resistant, Soil Erosion Control
Growzone: 7-10 Blue Dune Lyme Grass Lymus Hardiness Zone

How to Care for Blue Dune Lyme Grass Lymus

Before you buy a Blue Dune Lyme Grass, make sure to read about the care instructions that are required and recommended to keep this plant healthy and thriving.

What is the best light for Blue Dune Lyme Grass?

What is the best light for Blue Dune Lyme Grass?

When planting your Blue Dune Lyme Grass, be sure to choose the best location for the plant to thrive. It grows and flowers best in full sun, but it also tolerates part shade.

How do I prune my Blue Dune Lyme Grass?

How do I prune my Blue Dune Lyme Grass?

The Blue Dune Lyme Grass maintains shape even while dormant so it still looks great in the winter. To cut back Blue Dune Lyme Grass, only prune if too tall or floppy. If you do cut back, ensure it is prior to Summer so flowering is not impeded. Take care to cut back in the late winter before spring growth emerges.

How do I water Purple Love Grass?

How do I water Purple Love Grass?

Blue Dune Lyme Grass has adaptations that make it a great choice for low-water landscapes. However, it needs proper drainage to sustain wet winters. In containers, Blue Dune Lyme Grass takes average moisture but should not stay wet. Over watering, especially during dormancy, can be problematic. Water twice weekly for the first two to three months following planting. After established, this ornamental grass is extremely drought tolerant and rarely needs additional water. The exception is in extreme heat, especially in the first summer.

How do I plant Blue Dune Lyme Grass'?

How do I plant Blue Dune Lyme Grass'?

Blue Dune Lyme Grass is often found in rocky soil and can thrive in hot and dry conditions. As a non-invasive perennial plant that grows up to 2 feet tall by 2.5 feet wide, you will want to space appropriately according to your desired finished look. It does best in mildly acidic soil with a pH range of 5.5 to 6.8 organic soil.


Frequently Asked questions

Can you grow Blue Dune Lyme Grass in a pot?


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