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Chamaecyparis lawsoniana
Lawson cypress
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Cultivation |
Propagation |
General Info
Medicinal |
Edible Uses |
Flowers & Foliage |
Landscaping
Latin Name: Chamaecyparis lawsoniana
Synonyms: Cupressus lawsoniana.
Common Name: Lawson cypress
Family: Cupressaceae(Click to Search)
Author: (Murr.)Parl.
Known Hazards: None known
Habitat: Usually scattered in small groves on moist slopes and canyons, often on serpentine soils, below 1500 metres. Seldom more than 50 kilometres from the coast[71, 82].
Mature Height: 25
Mature Width: 4
Habit: Tree
Cultivation Notes: Succeeds in most soils and situations, but prefers a moist deep loamy soil and a sheltered position[1, 11]. Grows well in heavy clay soils. Survives on dry alkaline soils[200]. Growth of trees is hardly affected by a lack of phosphate in the soil. Plants are moderately shade tolerant, especially when young[81, 200]. Plants are tolerant of atmospheric pollution according to one report[200], whilst another says that they do not do well in a polluted atmosphere[1]. A fairly wind tolerant plant, but it does not like severe maritime exposure[75]. Plants are susceptible to wind burn and recover variably[75].
This species is hardy to about -25°c[200].
A fairly long-lived tree in the wild with specimens 500 - 600 years old[229]. It is a very valuable timber tree in N. America and it is sometimes cultivated as a forestry tree in Britain, where it occasionally self-sows[1, 11]. It establishes well and grows quickly. New shoots can make 1 metre in a year but trees rarely maintain that rate and 30cm is nearer the average[185]. New growth starts very slowly in April, speeds up in June and ceases in September[185].
A very uniform species in the wild[200], in cultivation it is polymorphic and there are many named varieties[1, 185, 200].
The crushed foliage has a pungent smell[245].
Favoured by many birds for roosting, providing high cover and especially for nesting, large specimens of this tree help to attract songbirds to the garden[200].
Trees are notably susceptible to honey fungus[200].
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