Cryptomeria japonica 'Sekkan' – Cryptomeria japonica 'Sekkan'

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Cupressaceae

Cryptomeria japonica 'Sekkan' – Cryptomeria japonica 'Sekkan'

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Cryptomeria japonica 'Sekkan' grows into a modest or medium-sized tree, characterised by a somewhat erratic, pyramidal crown shape, with a possible height of around 10 metres. This Cryptomeria japonica cultivar is distinguished from its peers by its yellow needles. The young shoots are particularly striking with their brilliant sulphur-yellow hue. As the twigs mature, their colour transforms from pale yellow to a green-yellow and yellow-green hue. Remarkably, the yellow leaves of Cryptomeria japonica 'Sekkan' are quite resistant to sunburn. Only under very sunny and dry conditions will burning occur. However, severe frost can damage the young buds of the tree. Thanks to its bright foliage, Cryptomeria japonica 'Sekkan' can be used effectively to brighten up somewhat darker areas of gardens and parks. This traditional Japanese cultivar reached Europe before 1970 and falls in hardiness zone 6a.

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Specifications
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Height
6-10 m
Width
4-6m
Crown
pyramidal
Bark and branches
young growth shoots sulphur-yellow, later from yellow to green-yellow and yellow-green
Leaf
green, evergreen
Flowers
inconspicuous, flowers in April
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
loamy soil, sandy soil, peaty soil, acid soil
Paving
tolerates no paving
Winter hardiness zone
6a (-23,3 to -20,6 °C)
Wind resistance
moderate
Other resistances
resistant to frost (WH 1 - 6)
Application
small gardens, patio gardens
Shape
clearstem tree, specimen conifer
Origin
U.S. National Arboretum, Washington D.C., USA, 1995
Clear stem tree Specimen conifer acid soil loamy soil peaty soil sandy soil tolerates no paving resistant to frost (WH 1 - 6) suitable for shadow broad conical narrow conical 3rd size, smaller than 6 metres half-open crown yellow average growing all species non-toxic (usually)
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Frequently asked questions
Cryptomeria japonica 'Sekkan'

Cryptomeria japonica 'Sekkan' can eventually reach a height of 6-10 m, depending on the site and climate conditions.

Cryptomeria japonica 'Sekkan' is average growing and can eventually reach a height of 6-10 m, depending on the site and climate conditions.

The right time to plant Cryptomeria japonica 'Sekkan' is during the dormancy period. In Western Europe, Cryptomeria japonica 'Sekkan' with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Cryptomeria japonica 'Sekkan' blooms in april.
General