Blue Dune Lyme Grass

Blue Dune Lyme Grass is a tough, salt-tolerant ornamental grass with fine blue-green blades—ideal for coastal gardens, erosion control, and sandy soils.
Plant Type
Perennial
Light Requirement
Full sun
Max Height
3 feet
Max Spread
3 feet

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Leymus arenarius ‘Blue Dune’ is a hardy, evergreen bunchgrass native to coastal areas, prized for its narrow, steel-blue leaves and rugged tolerance to salt spray, wind, and poor sandy soils. Growing 2 to 3 feet tall and wide, it forms dense clumps that stabilize soil and add cool-toned texture to dune and beach-inspired landscapes. Blue Dune thrives in full sun and well-drained soils, making it perfect for coastal restoration projects, xeriscapes, or low-maintenance garden borders.

This section shows how the plant will fit into your yard and into your life.

Seasonal Interest:

Steel-blue evergreen foliage year-round

Landscape Uses:

Coastal gardens, erosion control, xeriscapes, borders, naturalistic plantings

Allergy Considerations:

Low

Kid/Pet Safety:

Non-toxic

Mess Factor:

Low — tidy growth with minimal leaf drop

Maintenance Level:

Very low — minimal pruning or cleanup needed

This section covers practical care information for homeowners.

Water Needs:

Low — drought tolerant once established

Soil Tolerance:

Prefers sandy, well-drained soils; tolerates poor nutrient levels

Drought Tolerance:

High

Deer Resistance:

High — rarely browsed

Pest/Disease Resistance:

High — few pest problems

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