Phellodendron japonicum – Japanese cork tree

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Rutaceae

Phellodendron japonicum – Japanese cork tree

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A tree with a sturdy vertical trunk from which branches grow widespread and extended, eventually leading to a fan-shaped rounded crown. Phellodendron japonicum remains smaller than P. amurense and has a thinner bark. The bark is grey-brown and develops fine grooves: later small bark plates form. The twigs turn from reddish-brown to even brown. The imparipinnate leaves, covered with velvety hair, consist of ovoid leaf segments with a tapered pointed leaf end, 7 - 12 cm long. The leaves turn yellow in the autumn and remain longer on the tree than those of P. amurense. The greenish flower plumes are downy and approx. 8 - 9 cm in length and breadth. They are followed by fruit in the form of black drupes (berries) that smell of turpentine. They remain hanging in the tree the entire winter. Saplings especially are sensitive to frost.

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Specifications
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Height
7 - 10 m
Width
8-10m
Crown
broad fan-shaped to rounded, half-open crown, capricious growing
Bark and branches
bark grey-brown, grooved, young twigs reddish-brown
Leaf
imparipinnate, with 9 - 13 leaf segments, dark green, 25 - 35 cm, feathered leaf
Autumn colour
yellow
Flowers
green, in large felt-like plumes 8 - 9 cm long, May/June
Fruits
spherical fleshy drupe (berry), black, Ø 0.7-0.9 cm
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
all types, preferably nutritious and humic
Paving
tolerates no paving
Winter hardiness zone
5b (-26,0 to -23,4 °C)
Wind resistance
good
Other resistances
resistant to frost (WH 1 - 6)
Fauna tree
valuable for bees (honey plant), provides food for birds
Shape
clearstem tree
Origin
Central Japan
Clear stem tree clay soil loamy soil peaty soil sandy soil tolerates no paving resistant to frost (WH 1 - 6) broad vase-shaped 2nd size, between 6 and 12 metres half-open crown green green May average growing Conspicuous bloom Feathered leaf Attractive autumn colour valuable for bees (honey plant) provides food for birds non-toxic (usually) Capricious growing Ornamental fruit playground tree
Frequently asked questions
Phellodendron japonicum

Phellodendron japonicum can eventually reach a height of 7 - 10 m, depending on the site and climate conditions.

Phellodendron japonicum is average growing and can eventually reach a height of 7 - 10 m, depending on the site and climate conditions.

The leaves of Phellodendron japonicum turn yellow in autumn.

The right time to plant Phellodendron japonicum is during the dormancy period. In Western Europe, Phellodendron japonicum 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.

Phellodendron japonicum blooms in may.
General