
Common Name: Wiltonii Juniper
Juniperus horizontalis ‘Wiltonii’ — commonly called Blue Rug juniper — is a low-growing evergreen shrub valued for its dense, mat-forming habit and silvery-blue foliage that intensifies in full sun and often develops purplish tones in winter. Its tightly layered, trailing branches create a uniform ground-hugging carpet, making it one of the most widely used junipers for dependable groundcover. Type: Evergreen shrub Mature Size: Width: 6–8 ft Height: 6–12 in. USDA Zones: 3a–9b Form: Very low, prostrate, mat-forming Light: Full sun Soil: Well-drained soil; thrives in sandy, rocky, and poor soils Water: Low; highly drought tolerant once established Wildlife: Provides shelter for birds; deer resistant Features & Landscape Uses: Excellent for slopes, groundcover, rock gardens, and erosion control. Its uniform growth and strong blue color provide consistent year-round interest. Care: Plant in full sun with excellent drainage. Avoid heavy, wet soils. Minimal pruning is needed; trim lightly only if shaping is desired.
| Plant Type: | Evergreen Shrub |
| Width: | 6-8' |
| Height: | 8-12" |
| Fragrant: | No |
| Growth Rate | Moderate |
| Zone: | 3 - 9 |
| Deer Resistant: | Yes |
| Salt Tolerant: | Yes |
| Drought Tolerant: | Yes |
| Exposure: | Full Sun |
| Landscape/Use: | Container, Mass Planting, Accent Plant |
| Shape: | Wide Spreading |
| Soil Type | Sandy, Well Drained, Average |
| Leaf Color: | Asparagus |
| Fall Color: | Blue Green |