Turkey Oak (Quercus cerris)

Pictures

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  Appearance

  Large deciduous tree with a wide conical crown. Can grow to 30m. The 6-15cm long leaves frequently have sharply pointed lobes. The acorns are widely ovoid and one-half is enclosed in a cup.

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  Leaf upperside

  Deeply pinnate-lobed, rough toothed leaves, 6-12cm long, 2-5cm wide, leaf stem 0.5-1.5cm long. Leaves are dark green above, pale grey-green below, turn brown in autumn.

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  Leaf underside

  Deeply pinnate-lobed, rough toothed leaves, 6-12cm long, 2-5cm wide, leaf stem 0.5-1.5cm long. Leaves are dark green above, pale grey-green below, turn brown in autumn.

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  Flowers

  Flowering period IV-VI, male flowers in pendent clusters of catkins. Female flowers singly or in ear-like clusters at the tips of young shoots.

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  Fruits

  Dark brown, widely ovate acorns half-seated in cups, in groups of 1-4, seated or short-stalked. Up to 3cm long.

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  Bark

  Grey bark with deep furrows, deeply or regularly chambered. Branches are grey-brown or dark brown.

Application

Wind-break, forage for honey-bees, public areas, parks, urban areas, roadside verges, car parks, pedestrian precincts, private parks, fruit drop, honeydew, pollen (allergy)

Native regions

Southern Europe, Southeastern Europe, Middle East

Location parameters

Light: full sun to slightly sunny, temperature: warm to normal, soil: dry to fresh, soil structure: normal, soil depth: medium to deep, compaction: to be avoided, soil quality: medium to high, pH value: 5.0 to 8.0

Demands

Sun to slight shade; exceedingly heat-tolerant, likes warmth; half-hardy; undemanding; in all dry to fresh, slightly acid to highly alkaline substrates; resistant to urban climates and wind, low salt-tolerance

Growth

Height of growth: 20m to 25m, spread: 8m to 15m, growth habits: wide, compact crown, good stem-builder, continuous stem

Leaves

Deeply pinnate-lobed, rough toothed leaves, 6-12cm long, 2-5cm wide, leaf stem 0.5-1.5cm long. Leaves are dark green above, pale grey-green below, turn brown in autumn.

Flowers

Flowering period IV-VI, male flowers in pendent clusters of catkins. Female flowers singly or in ear-like clusters at the tips of young shoots.

Fruits

Dark brown, widely ovate acorns half-seated in cups, in groups of 1-4, seated or short-stalked. Up to 3cm long.

Bark

Grey bark with deep furrows, deeply or regularly chambered. Branches are grey-brown or dark brown.

Roots

Deep-rooting, robust; can be paved to within 1m of the trunk

• Pests and diseases of this tree/shrub