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botanical name:
Thuja occidentalis 'Smaragd'
Thuja occidentalis 'Smaragd' © Deeproot Plant Base
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common name:  American Arbor-vitae, White Cedar
synonyms:  Thuja occidentalis 'Emerald', Thuja occidentalis 'Emeraude'
family:  Cupressaceae
characteristics: conifer, evergreen
height: 6.00m
width: 1.50m
growth rate: medium
growth habit: columnar
leaf colour: green
flower colour:
stem/bark: brown
main season: All Year
aspect: full sun
conditions: moist soil, clay soil, sandy soil
preferred soil pH: neutral-alkaline
minimum temp: -39°C
USDA zone: 3 to 8
description:
Very fine narrowly columnar small tree with excellent dense, bright emerald green foliage which becomes attractively tinted with deep olivey old gold in winter.

cultivation:
Very hardy. Moist, well drained soil in sun.
May be trimmed to formal shapes or as a hedge, but will not regrow from old wood so this needs to be done with some care.

propagation:
By cuttings, preferably with a heel, taken in early spring or in autumn.

usage:
Good, strongly vertical focal plant or may be used in formal designs as a hardier alternative to the Italian Cypress.

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