Sequoia sempervirens 'Korbel KT' – Sequoia sempervirens 'Korbel KT'

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Taxodiaceae

Sequoia sempervirens 'Korbel KT' – Sequoia sempervirens 'Korbel KT'

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'Korbel KT' is a large tree that, despite its eventual size, grows "only" half as tall as the species Sequoia sempervirens. Most striking difference from the species is the narrower crown shape; 'Korbel KT' has a dense, columnar crown. The tips of the lower side branches face upwards. In 1966, cuttings from six downed wild trees near Korbel, California, were cut, recorded and rooted for a study. In 1970, six of these cuttings were found to have abnormal growth form; all six of these cuttings had been cut from one branch (mutant) from the top of one of the trees. All other cuttings cut from (other parts of) this tree did not show this aberrant shape. After further study, these six aberrant plants were marketed in 1983. Initially as an alternative Christmas tree. Applicable as a solitary in parks and large gardens. But also as avenue tree in green spaces.

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Specifications
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Height
20 - 30 (65) m
Width
5-7m
Crown
columnar
Bark and branches
twigs reddish brown, bark orange brown, thick and softly fibrous, flaking in long strips
Leaf
needles, arranged in spiral shape, dark green, 1.5 - 2,5 cm, green
Flowers
inconspicuous
Fruits
hanging, ovoid cones, about 1,5 - 3 cm
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
sandy, loamy soil, well-permeable
Soil moisture
suitable for wet soil
Paving
tolerates no paving
Winter hardiness zone
8a (-12,2 to -9,5 °C)
Wind resistance
good, also tolerates sea wind
Other resistances
can withstand wind
Application
coastal areas
Shape
clearstem tree, clearstem conifer, specimen conifer
Origin
U.S. National Arboretum, Washington D.C., USA, 2003
Clear stem conifer Clear stem tree Specimen conifer acid soil loamy soil peaty soil sandy soil tolerates no paving suitable for shadow suitable for wet soil can withstand wind columnar 3rd size, smaller than 6 metres half-open crown green green fast growing all species non-toxic (usually)
Frequently asked questions
Sequoia sempervirens 'Korbel KT'

Sequoia sempervirens 'Korbel KT' can eventually reach a height of 20 - 30 (65) m, depending on the site and climate conditions.

Sequoia sempervirens 'Korbel KT' is fast growing and can eventually reach a height of 20 - 30 (65) m, depending on the site and climate conditions.

The right time to plant Sequoia sempervirens 'Korbel KT' is during the dormancy period. In Western Europe, Sequoia sempervirens 'Korbel KT' 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.

Sequoia sempervirens 'Korbel KT' blooms in .
General