Chamaecyparis lawsoniana 'Ellwoodii' (Ellwood Lawson's Cypress)


Michael's Opinion

An attractive conifer with distinct bluish-green foliage and narrow form, making it an ideal and very attractive accent or specimen plant in any landscape.

Botanical Information

FamilyCupressaceae
GenusChamaecyparis
Specieslawsoniana
Cultivar'Ellwoodii'
CategoryWoody
TypeTree (evergreen)
Pronunciation

Details

USDA Hardiness Zone5
USDA Hardiness Ref.
Canadian Hardiness Zone4a - 4b
Canada Hardiness Ref.
RHS Hardiness ZoneH6
RHS Hardiness Ref.
Temperature (°C)-20 to -15
Temperature (°F)(-15) - (-10)
Height2- m
Spread1 m
GrowthSlow
Flowering PeriodMay

Description and Growing Information

General DescriptionA slow-growing, large sized evergreen shrub with a columnar form. It has scale-like foliage that ranges in colour from grey-green to silver-blue adding interest through the year.
ShapeUpright and narrowly pyramidal in form.
LandscapeTypically used as a vertical accent plant.
PropagationCuttings should be taken from a young specimen but can be taken from a mature branch on the lower portion of the plant. Cuttings are best taken in autumn and root well in a peat moss and sand growing mixture under mist and bottom heat. Hormone may also be applied to stimulate root growth.
CultivationPrefers moist, well drained slightly acidic soils however, can tolerate neutral, sandy, chalk, clay, and loam soils. It is best planted in a protected location free from drying winds and flourishes in very light shade.
PestsIn dry conditions watch for spider mites. Aphids and shoot boring moths may be problematic in normal growing conditions.
HabitatHorticultural origin.
Bark/Stem DescriptionFibrous, silvery brown to reddish brown, divided into thick and rounded edged plates separated with deep irregular furrows on mature plants.
Flower/Leaf Bud DescriptionThe buds are 2-4 mm in size and are a blueish-black in colour.
Leaf DescriptionSilver-blue scale-like needles that retain their colour year round both adaxil and abaxil: the leaf scales are closely appressed.
Fruit DescriptionNumerous small globose cones, ripening from blue to brown, about 1 cm across, 8 scaled and containing 2-4 seeds each: infrequent in occurrence.
Colour DescriptionGreen to bluish-silver foliage and reddish brown bark that is usually completely obscured by dense foliage.
Texture DescriptionA finely textured foliage plant, but rather dramatic in form.

Photographs