Juniperus scopulorum 'Prostrata' (Creeeping Rocky Mountain Juniper)


Botanical Information

FamilyCupressaceae
GenusJuniperus
Speciesscopulorum
Cultivar'Prostrata'
CategoryWoody
TypeShrub (evergreen)
Pronunciation

Details

USDA Hardiness Zone3 - 7
USDA Hardiness Ref.
Canadian Hardiness Zone3
Canada Hardiness Ref.
RHS Hardiness Ref.
Temperature (°C)-23
Temperature (°F)-10
Height15 - 50 cm
Spread1 - 2 m
GrowthSlow
Flowering PeriodMay, June

Description and Growing Information

General DescriptionA prostrate, low growing evergreen shrub with dark green foliage that holds its colour throughout the seasons.
ID Characteristic A low spreading Juniper that is prickly and rugged in appearance.
ShapeLow and spreading.
LandscapeProviding colour to any garden year round, it is an excellent ground cover, low border or as an attractive edging. Fairly urban tolerant however does not take well to salt exposure.
PropagationDifficult to root by cuttings therefore is frequently grafted. They may be stored for several weeks in high humidity at 0-5°C, should be grafted using the side veneer technique. The union should be covered with peat moss and kept at 25°C with 85% humidity allowing for 2-8 weeks healing time.
PestsCedar-apple rust and Kabatina tip blight. Careful planning is required when choosing a planting location as Junipers are known to host diseases (cedar apple rust) that may affect surrounding species. Spider mites and cankers can be problematic.
HabitatHorticultural origin.
Bark/Stem DescriptionThin, exfoliating fibrous bark that is red-brown or grey-brown in colour.
Flower/Leaf Bud DescriptionBuds are very small and indistinct, green in colour and ovoid in shape.
Leaf DescriptionScaled, 6 - 10 mm long on short branchlets, dull dark green to a brighter vibrant green, in pairs in an opposite arrangement along the branch.
Flower DescriptionNot very attractive, 6 mm, brownish or yellowish in colour. Formed on elongated shoots that bloom in the spring.
Fruit DescriptionA blue-black berry, 6 mm in size with a waxy coating.
Colour DescriptionFoliage is a dull to vibrant dark green throughout the season with the bark showing a red-grey-brown colour. Buds are small, green and ovoid shaped and it has small blue-black berries with a waxy coating.
Texture DescriptionMedium to fine, keeps its texture throughout the seasons.

Photographs