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Cryptomeria japonica 'Mushroom'

Japanese cedar 'Mushroom'

A dwarf conifer, to 50cm high in 10 years, with a rounded habit forming a dome of dense foliage. New shoots are pale green in spring and summer, maturing to deep green and turning deep reddish-bronze in winter

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
10–20 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green
Autumn Green Bronze Red
Winter Green Bronze Red
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Cupressaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy, Spreading branched
Genus

Cryptomeria are large evergreen trees with attractive red-brown bark and dense foliage consisting of short awl-shaped leaves arranged spirally around the branchlets; cones are spherical

Name status

Accepted

How to grow

Cultivation

Tolerates most soils, but prefers a humus-rich, moist but well-drained soil in full sun or partial shade. Requires a sheltered site. Dislikes waterlogging and salt-laden winds

Propagation

Propagate by semi-hardwood cuttings in late summer or early autumn

Suggested planting locations and garden types
  • Architectural
  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to phytophthora root rot and honey fungus (rarely)

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