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QUERCUS petraea
Commonly known as Cornish oak, durmast oak, Irish oak, sessile oak, Welsh oak
(syn. Q. sessiliflora). Lobed dark green leaves.
£15.00
Full Plant Details - Sun/Soil & other attributes - Click to close
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Good to know
Wildlife plant. Habitat for more than 257 species of insect. Mature trees provide nesting cavities for birds and mammals and birds are attracted to the acorns -
Pests & Diseases
Aphids, gall wasps, oak wilt, honey fungus, powdery mildew -
Place of origin
Europe -
DeciduousYellow-stalked, dark green leaves 6-17cm (2½-6¾in) long with rounded lobes
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Coastal / windsweptTolerant of full exposure to sea winds
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Woodland garden
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Fully hardy
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Lobed
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Oblong
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Obovate
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Ovate
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Height
30m (100ft) -
Spread
25m (80ft)
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TreeSpreading tree with ridged, grey bark. Produces stalkless, ovoid to oblong-ovoid acorns singly or in clusters
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Pruning group 1
Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
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Very hardy
Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F) -
Autumn Seasonal Interest
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Spring Seasonal Interest
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Summer Seasonal Interest
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Fertile moist well-drained soil
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Full sun
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Partial shade
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harmful if eaten
pets, i.e. cats, dogs, rabbits, rodents, notably dogs -
Rounded to broadly spreading
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Bee friendly
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Bird friendly
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Butterfly friendly
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Mature Size30m (100ft)
25m (80ft)
View Detailed Plant Description
View Planting Tips and Care Advice
Quercus - Care Guide
