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Quercus petraea

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© RHS

Characteristics

Plant type

Tree

Habit

Bushy

Origin

Native to the UK

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Yellow in Spring

Foliage

Brown and Orange in Autumn
Green in Spring and Summer

Fruit

Brown in Autumn

Size

Ultimate height

Higher than 12 metres

Ultimate spread

wider than 8 metres

Time to ultimate height

more than 50 years


Preferred common name

sessile oak

Family

Fagaceae


Quercus can be deciduous or evergreen trees or shrubs, with entire, lobed or toothed leaves; flowers inconspicuous, followed by characteristic acorns; sometimes good autumn colour

Q. petraea is a large deciduous tree forming a broad, rounded crown, with rather leathery, dark green, lobed leaves to 15cm long, turning orange-brown in autumn. Inconspicuous yellowish flowers in catkins with the young leaves

Other common names

  • durmast oak

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, North-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

Grows well in most deep, fertile soils

Soil

  • Well-drained or Moist but well-drained
  • Acid, Alkaline or Neutral
  • Sand, Clay, Chalk or Loam

Propagation

Propagate by seed, sown as soon as ripe, in a cold frame

Suggested planting locations and garden types

Cottage/Informal Garden or Flower borders and beds


How to care

Pruning

pruning group 1

Pests

Susceptible to aphids, caterpillars, leaf-mining moths and oak gall wasps

Diseases

May be affected by powdery mildew