Blue Rug Juniper

Blue Rug Juniper (Juniperus horizontalis 'Wiltonii') — An extremely low-growing, spreading evergreen groundcover with striking silvery-blue foliage, perfect for slopes, rock gardens, and erosion control.

Plant Details

• Botanical Name: Juniperus horizontalis 'Wiltonii'
• Mature Size: 4–6 in tall × 6–8 ft wide
• Growth Rate: Slow to moderate
• Bloom Color: Insignificant (grown for foliage)
• Foliage: Evergreen — silvery-blue, slight purple tint in winter

Growing Conditions

• Sunlight: Full sun
• Water Needs: Low — very drought tolerant once established
• Soil: Well-drained; tolerates poor, rocky, and sandy soils
• Hardiness Zones: USDA 3–9

Why Choose Blue Rug Juniper?

• Excellent for hillside erosion control and slopes
• Deer resistant and virtually maintenance-free
• Tolerates heat, cold, drought, and poor soils
• Dense mat suppresses weeds as a living groundcover

Care Tips

Plant in full sun with excellent drainage — avoid wet or waterlogged sites. No pruning needed. Water deeply but infrequently during the first growing season to establish roots. Once established, Blue Rug Juniper thrives on neglect.