Family: Cupressaceae

Scientific Name: Juniperus horizontalis Wiltonii

Common Name: Blue Rug Juniper, Wiltonii Juniper

DescriptionA low growing, wide spreading Juniper.
Pronunciation(ju-NIP-er-us)(hor-i-zon-TA-lis)
Plant TypeAll Plants, Shrubs Coniferous
Hardiness Zone4-7
Sunlightfull
Moistureaverage, once establish tolerates hot dry conditions
Soil & Siteaverage, can withstand hot dry sites once established
Flowersfemale form, 1/4 inch silvery blue fleshy cones
Leavesintense silver blue with a purplish ting in the winter
Dimensions6-8 inches tall, 6-8 spread, fairly fast growing, space 4-6 feet on center, will cascade over rocks and walls
MaintenanceIt is difficult to properly prune ground cover Junipers. Most people just cut the ends and after a few years pointed stubbed branches form. Lift up the outside branches cutting the underneath branches and feather back the top branches to a crotch of a branch. This will develop into a much softer outside edge of the shrub. Also they will have branches that just seem to die for no apparent reason and these will need to be cut out using pruning shears
Propagationcuttings
Cultivar OriginNative to the Vinalhaven Island off the coast of Maine (USA). Introduced by the South Wilton Nursery in Connecticut (USA) in about 1914.
Misc FactsThe female "berries" were used by Native Americans to brew a tonic tea, and they are eaten by grouse and deer. This Juniper may be synonymous with Blue Rug Juniper.
Notes & Reference#1-Manual of Woody Landscape Plants (Michael Dirr), #133-Gardening with Conifers (Adrian Bloom)
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