Woody > Juniperus > Juniperus scopulorum > Juniperus scopulorum 'Blue Heaven'
Juniperus scopulorum
'Blue Heaven'
Blue Heaven Juniper
Origin: Originated at Mission Gardens, Techny, Illinois.
Mike's
Opinion
"
This is a very low maintenance tree growing between 2–6 m in height. It is often used in mass plantings, screenings/hedges in the landscape; used for shade, vertical accent and accent to the landscape.
Michael Pascoe, NDP., ODH., CLT., MSc. (Plant Conservation)
"
| Family |
| Cupressaceae |
| Genus |
| Juniperus |
| Species |
| scopulorum |
| Cultivar |
| 'Blue Heaven' |
| Category |
| Woody |
| Type |
| Shrub (evergreen) |
| Pronunciation |
| USDA Hardiness Zone |
| 3-8 |
| Canadian Hardiness Zone |
| 2-7 |
| Temperature (°C) |
| -40 |
| Temperature (°F) |
| -40 |
| Height |
| 2-6 m |
| Spread |
| 1.8-2.5 m |
Photographs
Description and Growing Information
Flowering Period
| General Description |
| Usually used for mass plantings, hedges/screening and accent to the landscape. It usually grows to about 4-6 m in height and 1.8-2.5 m in spread. |
| Landscape |
| Commonly used for privacy screening, informal hedges, vertical accent, attractive foliage, foundation and accent to the landscape. |
| Cultivation |
| Grows best in moist, well-drained, organic soils in full sun or partial sun. It is tolerant of slightly alkaline soils, does well when pruned. |
| Shape |
| Medium size and has a natural low pyramidal form. |
| Growth |
| Slow |
| ID Characteristic |
| A medium sized shrub with a natural pyramidal form, blueish-grey foliage and peeling grey bark. It is low-growing shrub 4-6 m in height and 1.8-2.5 m in spread |
| Pests |
| Susceptible to aphids, beetle borers and spider mites. It is also affected by rust and root rot. Aphids: to control them use the garlic spray, In early stages, dislodge them with a blast of water. |
| Habitat |
| Horticultural origin. |
| Bark/Stem Description |
| This shrub has rough textured, peeling grey bark. |
| Flower/Leaf Bud Description |
| The buds are small, green, oval-shaped and are scattered throught the termini on the stem. |
| Leaf Description |
| The leaves for this shrub are very small, scale-like with blueish-grey foliage closely pressed against the shoot. Leaves are arranged in opposite pairs. |
| Flower Description |
| Dioecious; both male and female flowers are small (30 mm) and form at branch tips. Males flowers are oblong and females nearly round. Males are yellow, females are a green/yellow colour. |
| Fruit Description |
| The fruit is a small, berry-like spherical cone about 6-9 mm in diameter, dark blue with a pale blue wax coating. |
| Colour Description |
| Noticeable bluish-grey foliage, dark blue berries with a pale blue waxy coating, male flowers are yellow, female flowers are a yellow/green colour and has grey, rough textured bark. |
| Texture Description |
| The leaves on this shrub are scale-like with medium textures all year round and the bark is rough and peeling. |
| Notable Specimens |
| Niagara Parks Botanical Garden, Niagara, Ontario. Notre Dame Secondary School, Burlington, Ontario. |
| Propagation |
| Cannot be propagated by seed, softwood cuttings are used in the summer months and ripe-wood cuttings in the autumn months. Most cuttings are grafted onto seedlings. The upper part (scion) of one plant grows on the root system (rootstock) of another plant. |
References
Johnson. Hugh. The International Book of Trees. New York. Mitchell Beazley publishing.1973.
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