Cork Oak (Quercus suber)
The Cork Oak is an attractive evergreen leaf tree with thick cork-like bark that can be harvested every 7 years.
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Appearance
The Cork Oak is an attractive evergreen leaf tree with thick cork-like bark that can be harvested every 7 years.
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Leaves
Evergreen, lanceolate or elliptic leaves. Size: 3-7 cm long, with four or five short teeth on each side. Leaves are dark green above, white or silvery below.
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Leaf upperside
Evergreen, lanceolate or elliptic leaves. Size: 3-7 cm long, with four or five short teeth on each side. Leaves are dark green above, white or silvery below.
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Leaf underside
Evergreen, lanceolate or elliptic leaves. Size: 3-7 cm long, with four or five short teeth on each side. Leaves are dark green above, white or silvery below.
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Fruits
Acorns in groups of 1 to 3, upright. 2 to 3 cm long. The acorns are half enclosed in cups.
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Bark
The young bark is yellow. Young branches are yellow and felted. The bark is very thick and cork-like. Trees can be debarked every 6 or 7 years to harvest the cork.
Application
Open country, open fields, public areas, parks, kitchen gardens, front gardens, container plants, crop plant
Native regions
Mediterranean regions
Location parameters
Light: sunny to off-sun.
Demands
Demanding
Hardiness
down to -15 C°
Growth
Height of growth: 6 to 20 m, usually only reaches a height of 10 m. Stem is usually short and often crooked. Very broad, spreading crown.
Leaves
Evergreen, lanceolate or elliptic leaves. Size: 3-7 cm long, with four or five short teeth on each side. Leaves are dark green above, white or silvery below.
Flowers
Flowering period: III-IV. Female flowers are reddish, male flowers yellow-brown in striking catkins 5 to 10 cm long.
Fruits
Acorns in groups of 1 to 3, upright. 2 to 3 cm long. The acorns are half enclosed in cups.
Bark
The young bark is yellow. Young branches are yellow and felted. The bark is very thick and cork-like. Trees can be debarked every 6 or 7 years to harvest the cork.