Woody > Juniperus > Juniperus chinensis > Juniperus chinensis 'Blaauw'
Juniperus chinensis
'Blaauw'
Blaauw Juniper
Origin: Blaauw and Company, Boskoop, Holland.
Mike's
Opinion
"
A very unique evergreen with a dense upright, pyramidal growing habit. The plant features soft bluish-green foliage with unique arching branches. Makes a great focal point in any garden but often used as a screening or hedge as well.
Michael Pascoe, NDP., ODH., CLT., MSc. (Plant Conservation)
"
| Family |
| Cupressaceae |
| Genus |
| Juniperus |
| Species |
| chinensis |
| Cultivar |
| 'Blaauw' |
| Category |
| Woody |
| Type |
| Shrub (evergreen) |
| Pronunciation |
| USDA Hardiness Zone |
| 5b - 7a |
| Canadian Hardiness Zone |
| 6 |
| RHS Hardiness Zone |
| H7 |
| Temperature (°C) |
| -21 - (-15) |
| Temperature (°F) |
| -5 - 5 |
| Height |
| 1.2 - 2.5 m |
| Spread |
| 0.6 - 2 m |
Photographs
Awards
Description and Growing Information
Flowering Period
| General Description |
| Juniperus chinensis 'Blaauw' is a woody evergreen shrub with blue-green foliage and small, berry-like fruit on female plants that ripens from a whitish-blue to dark brown. |
| Landscape |
| This juniper has a unique shape that makes it a pleasant corner plant or background planting. Provides contrast in combination with other broad-leaved evergreens. |
| Cultivation |
| Grow in full sun, adapts to any well-drained soil and has drought tolerance. Prune minimally for uniformity of shape. |
| Shape |
| Erect overall with ascending, "V" shaped branches. |
| Growth |
| Medium |
| ID Characteristic |
| Erect with pronounced ascending branches forming stacked "V" shapes. Deep blue-green foliage, rough but not prickly to the touch, scale-like when the plant gets older. |
| Pests |
| Uncommon problems include: bagworm and twig blight. |
| Habitat |
| Horticultural origin. |
| Bark/Stem Description |
| Rough, flaky, brown, not particularly notable. |
| Flower/Leaf Bud Description |
| Obovate, green, 0.5 - 1.5 cm. |
| Leaf Description |
| Awl-like on new branch growth becoming scale-like on more mature growth, 50 - 100 mm long. |
| Flower Description |
| Occasionally a specimen will have both male and female flowers. |
| Fruit Description |
| Berries are oval-shaped, powder blue, 2 cm long, produced from late spring to to late winter with no ornamental value. |
| Colour Description |
| Blue-green foliage. |
| Texture Description |
| The foliage has a fine and delicate texture; the bark is rough. |
| Notable Specimens |
| Niagara Parks Botanical Gardens, Niagara Falls, Ontario, Canada. The University of British Columbia Botanical Garden, Vancouver, British Columbia, Canada. |
| Propagation |
| By softwood cuttings taken from new growth in spring or early summer. May also be propagated from late winter cuttings roughly 5 - 10 cm long, taken from new growth. Plant cuttings 2 cm deep in small pots, light should be allowed to reach the surface of the rooting medium to discourage the growth of harmful organisms; water only as needed. |
References
Michael A. Dirr. Manual of Woody Landscape Plants. Champaign, Illinois: Stipes Publishing L.L.C, 1975.
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