Juniperus horizontalis 'Monber' (Monber Creeping Juniper, Icee Blue™ Juniper)


Michael's Opinion

This Juniper has silver-blue evergreen foliage. The primary branches trail over the ground while the secondary branches are erect and plume-like. It is a multi-stemmed evergreen with a ground-hugging habit and is very easy to care for making it an ideal ground cover.

Botanical Information

FamilyCupressaceae
GenusJuniperus
Specieshorizontalis
Cultivar'Monber'
SynonymsJuniperus horizontalis 'Icee Blue'
Tradmarked NameIcee Blue™
CategoryWoody
TypeShrub (evergreen)
OriginIntroduced in 1996 by Monrovia Nursery, Azusa, California, the United States of America. German botanist Konrad Moench named this species of Juniper.
Pronunciation

Details

USDA Hardiness Zone4 - 9
USDA Hardiness Ref.
Canadian Hardiness Zone3
Canada Hardiness Ref.
RHS Hardiness ZoneH3 - H7
RHS Hardiness Ref.
Temperature (°C)-35 -(-1)
Temperature (°F)-30 - 30
Height7 - 15 cm
Spread30 - 90 cm
GrowthMedium

Description and Growing Information

General Description Juniperus horizontalis 'Monber' is a very low-lying, needled evergreen with blue-green foliage.
ID CharacteristicNeedles are silvery blue-green turning purple in winter, branches are loose and floppy.
LandscapeThis Juniper cultivar is used for green roofs, seacoast exposures, topiaries, mass plantings and for erosion control on cut slopes and natural banks where there is a runoff problem. Also good for softening the top edge of masonry retaining walls.
PropagationVia semi-hardwood cuttings or using simple layering techniques.
CultivationGrow in full sunlight, in moderately moist, well drained soil. Very pH and salt tolerant, performs well in windy locations with dry, hot conditions. Prefers a dry, sandy soil. During the first growing season, regular watering is recommended to establish a deep, extensive rooting system. Use a general purpose fertilizer before new spring growth.
PestsPossible problems include bagworms, webworms, scale insects, spider mites, leaf miners and aphids.
Notable SpecimensThe Gardens of Fanshawe College, London, Ontario, Canada. Missouri Botanical Garden, St. Louis, Missouri, the United States of America.
HabitatHorticultural origin.
Bark/Stem DescriptionBrown, peeling easily and hidden by overlapping branches.
Flower/Leaf Bud DescriptionBuds are small and inconspicuous.
Leaf DescriptionNeedles have a pleasant fragrance, are blue in the summer and purple to maroon in winter. They are toxic and once used as a lice repellant in rural areas. The extracted oils are now used in many traditional insecticides. New needles are prickly and become flat as they mature, arranged like scales on the stems.
Flower DescriptionNon-flowering.
Colour DescriptionNeedles are silver-blue in summer and purple to maroon in winter.
Texture DescriptionThe foliage has a fine texture.

Photographs