Blue Dune Lyme Grass (Leymus arenarius ‘Blue Dune’) Blue Dune Lyme Grass (Leymus arenarius ‘Blue Dune’) is a hardy, ornamental grass known for its striking blue-gray foliage and vigorous, spreading growth habit. This evergreen perennial is ideal for stabilizing sandy soils and adding bold color and texture to coastal gardens, dunes, and naturalistic landscapes. Distinctive Features ‘Blue Dune’ forms dense clumps of narrow, arching leaves with a distinctive steel-blue color that persists throughout the growing season. Its vigorous rhizomatous growth makes it effective for erosion control, while its unique foliage adds year-round visual interest. Growing Conditions Sun Exposure: Full sun Soil: Well-drained, sandy soils; tolerant of poor, dry conditions Water: Low to moderate; drought tolerant once established USDA Hardiness Zones: 4 to 9 Ideal Uses Coastal Gardens: Stabilizes sandy soils and resists salt spray Dune Restoration: Effective for erosion control and habitat restoration Naturalistic Landscapes: Adds bold color and texture to prairie and meadow plantings Low-Maintenance Landscapes: Suitable for drought-tolerant designs Accent Planting: Provides strong architectural form and color Low Maintenance Care Watering: Water sparingly; drought tolerant once established Pruning: Cut back old foliage in late winter or early spring to promote fresh growth Fertilizing: Generally not required; apply light feeding if needed Mulching: Mulch lightly to conserve moisture and suppress weeds Protection: Prefers well-drained sites; tolerant of wind and salt spray Why Choose Blue Dune Lyme Grass? Striking Steel-Blue Foliage: Adds year-round color and texture Vigorous Growth: Ideal for soil stabilization and erosion control Drought and Salt Tolerant: Thrives in challenging coastal environments Low Maintenance: Easy to grow with minimal care Focal Point: Provides bold form and color in naturalistic landscapes Leymus arenarius ‘Blue Dune’ is a durable, low-maintenance ornamental grass perfect for coastal gardens and sustainable landscapes requiring bold texture and color.
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