Juniper horizontalis Wiltonii

Blue Rug Juniper
Plant Type

Shrub, Ground Cover



Overall Mature Size


Mature Height & Spread

4-6′ x 6-8′


Full Sun, partial Shade


Medium, Low Water

Special Features

Attracts Birds, Deer Resistant, Low Water Use

Container Sizes

#1, #5, #15

Natural Growth Habit


Sunset Garden Zones


Minimum USDA Hardiness Zone


Juniper H. Wiltonii is a low-growing creeping groundcover that will spread 4-6 feet. The trailing branches form a dense low mat.   Wiltonii foliage is a beautiful silvery blue with a light purplish/bronze tinge in winter.   It grows slowly to moderately fast.

Wiltonii is among the fastest growing junipers and has excellent landscape value as a low ground cover. It is commonly used for mass planting as a turf substitute is planted on banks rock gardens and planter boxes.  It is often seen around tall shrubs or trees and even cascading over a wall.  It is effective for erosion control on moderate slopes.  Wiltonii will often be used for bonsai as well.

Wiltonii is tolerant of poor soils even clay as long as drainage is adequate.  Wiltonii prefers a dry sandy soil and it does best in full sun.

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