Juniperus horizontalis Wiltoni, commonly known as Horizontalis Juniper or Blue Rug Juniper, is a popular low-growing evergreen groundcover known for its striking silvery-blue foliage and dense, mat-forming habit. Typically reaching just 4 to 6 inches tall and spreading 6 to 8 feet wide, it hugs the ground tightly, making it ideal for erosion control on slopes, rock gardens, and sunny borders. The foliage often takes on purplish tones in winter, adding seasonal interest. Drought-tolerant, salt-tolerant, and highly durable, Juniperus horizontalis Wiltoni is a low-maintenance choice for full sun locations.

Why choose Juniperus horizontalis Wiltoni

Silvery-blue foliage: Offers year-round color with added winter interest

Ground-hugging habit: Excellent for stabilizing slopes and covering large areas

Low-care plant: Tolerant of drought, heat, and salt

Cultivating tips

Sun exposure: Full sun

Soil needs: Well-drained soil; performs well in sandy or rocky sites

Maintenance: Extremely low—no pruning needed unless shaping edges

Designs for your garden

Slopes and banks: Excellent erosion control groundcover

Rock gardens: Weaves beautifully around stones and hardscape

Foundation borders: Adds soft, trailing texture at the front of beds

Ecological benefits

Erosion prevention: Spreading roots stabilize soil

Wildlife shelter: Provides cover for small creatures

Water-wise: Thrives with minimal irrigation once established

Similar native alternatives

Looking for a native option? Here are three native plants that offer similar seasonal interest and landscape value:

Picea pungens Globosa – Spruce

Juniperus virginiana Grey Owl – Grey Owl Juniper

Carex muskingumensis – Palm Sedge