Juniperus virginiana 'Grey Owl' (Grey Owl Juniper, Grey Owl Eastern Red Cedar)


Michael's Opinion

This shrub requires little maintenance, is drought tolerant, susceptible to few pests, and adds colour to our landscape throughout the year. An old standby of a plant!

Botanical Information

FamilyCupressaceae
GenusJuniperus
Speciesvirginiana
Cultivar'Grey Owl'
CategoryWoody
TypeShrub (evergreen)
Pronunciation

Details

USDA Hardiness Zone 2 - 9
USDA Hardiness Ref.
Canadian Hardiness Zone0a
Canada Hardiness Ref.
RHS Hardiness ZoneH3 - H7
RHS Hardiness Ref.
Temperature (°C)-46 - 2
Temperature (°F)-50 - 30
Height65 - 75 cm
Spread120 - 200 cm
GrowthMedium

Description and Growing Information

General DescriptionSmall sized, dense spreading shrub. Typically used as a solitary ornamental specimen.
ID CharacteristicFoliage may develop a silvery grey colour, and females will produce abundant bluish cones. Graceful horizontal spreading form.
ShapeLow, horizontal and spreading.
CultivationGrow in full or partial sun. Maintenance is low; pruning is not recommended, and they are tolerant of many conditions such as drought, pollution, salt, and is adaptable to many soil pH types.
PestsThis cultivar is resistant to Phomopsis, but does exhibit symptoms of tip dieback.
Notable SpecimensRayner Gardens, London, Ontario, Canada. The Gardens of Fanshawe College, London, Ontario, Canada.
HabitatHorticultural origin.
Bark/Stem DescriptionReddish-brown bark, exfoliates in strips from sharp, spiky, scale-like extrusions.
Flower/Leaf Bud DescriptionSmall bud, 2-5 mm, light brown, scale-like arrangement, shows annual growth.
Leaf DescriptionFeather-like arrangement of alternately facing branchlets, 2-7 cm long, both scale and awl-like appearance. Depression on back side of needles, 2 - 5 mm long, where silver/blue colour is especially visible. Emits cedar like aroma when crushed.
Fruit DescriptionFemales produce abundant small 1.5 cm, bluish cones.
Colour DescriptionSilvery-grey foliage with reddish-brown bark and bluish cones.
Texture DescriptionThick, dense textured shrub, which has overlapping branches of soft, but prickly branchlets.

Photographs