Woody > Chamaecyparis > Chamaecyparis lawsoniana > Chamaecyparis lawsoniana 'Oliver Slocock'

Family

Cupressaceae

Genus

Chamaecyparis

Species

lawsoniana

Cultivar

'Oliver Slocock'

Category

Woody

Type

Tree (evergreen)

USDA Hardiness Zone

5b - 7a

Canadian Hardiness Zone

4b - 6b

RHS Hardiness Zone

H6 - H7

Temperature (°C)

-32 - (-18)

Temperature (°F)

-25 - 10

Height

30 - 70 m

Spread

5 - 10 m

Photographs

Description and Growing Information

Flowering Period

General Description

Large pyramidal tree, very dense, nearly vertical branching system that fattens out with the foliage. Small blue fruit that turns reddish brown in the autumn. The fruit does not hold much interest in the autumn.

Cultivation

Prefers well drained moist soil; full sun or partial shade; protection from cold winds; and lower night temperatures. If transplanted it is best balled and burlapped. Neutral to acidic soils are preferred. It will grow thin with poor colour in densely shaded areas.

Shape

Conical or columnar, branches grow nearly straight upwards. Very large dense tree.

Growth

Medium

Pests

Relatively pest and disease free, but a fungus called Phytophthora lateralis is rapidly killing these trees in the mountainous regions of Oregon and Northwest California. This fungus rots the roots and can completely kill these trees.

Habitat

Horticultural origin.

Notable Specimens

Wakehurst Place, Ardingly, Haywards Heath, Sussex, England.

Propagation

Germination by seed is low due to poor viability; the seed is thin and weak. This tree can be propagated by cuttings taken in the autumn. Cuttings taken in October that are placed in a sand peat moss mix root very easily.

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