Overview

Quercus petraea is a spreading branched deciduous tree in the genus Quercus, part of the Fagaceae family, with deciduous foliage. It typically grows around 40.0 m tall. Quercus petraea grows best in full sun, and tolerates loamy and clay soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include parkland and large gardens. It is native to Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Russia, Corse, Czechia-Slovakia, Denmark, East European Russia and France.

About

Quercus petraea, commonly known as the sessile oak, Welsh oak, Cornish oak, Irish oak or durmast oak, is a species of deciduous oak tree native to most of Europe and into Anatolia and Iran. The sessile oak is the national tree of Ireland, and an unofficial emblem in Wales and Cornwall.

Wikipedia contributors, CC BY-SA 4.0Quercus petraea

About the genus

An oak is a hardwood tree or shrub in the genus Quercus of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisphere, with some 500 species, both deciduous and evergreen.

Wikipedia contributors, "Oak", CC BY-SA 4.0Oak

Growing conditions

Best soil and position for Quercus

Sunlight
Full sun
Soil type
Loamy, Clay
Soil pH
Neutral
Soil moisture
Moist but well-drained, Wet
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H7

Plant details

Quercus petraea size, habit and characteristics

Plant type
Deciduous tree
Habit
Spreading branched
Foliage
Deciduous
Height
40.0 m
Suggested uses
Parkland, large gardens
Native to
Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Russia, Corse, Czechia-Slovakia, Denmark, East European Russia, France

Care notes

Pruning and caring for Quercus petraea

Propagation
Seed, sown as soon as ripe, in a cold frame
Pest resistance
Oak processionary moth, Aphids, Caterpillars, Leaf-mining moths, Oak gall wasps
Disease resistance
Powdery mildews, Honey fungus

Frequently asked questions

Where is the best place to plant Quercus petraea?

Quercus petraea prefers full sun. It suits sheltered positions.

What soil does Quercus petraea need?

Quercus petraea grows best in loamy and clay soil. It prefers neutral soil. Aim for soil that stays moist but well-drained to wet.

How big does Quercus petraea grow?

Quercus petraea reaches a height of 40.0 m.

Is Quercus petraea hardy in the UK?

Quercus petraea has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Quercus petraea?

Seed, sown as soon as ripe, in a cold frame.

More in the Quercus genus

Browse all Quercus