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Quercus velutina

black oak

A large, deciduous tree to 25m tall with a globular, spreading crown, young shoots and buds covered in down and almost black outer bark on mature trees with yellow inner bark. Its large, irregularly-lobed leaves up to 30cm long are dark green above and paler below with tufts of down in the vein axils; foliage turns yellow, red and brown in the autumn. Flowers are a greenish-yellow colour and followed by solitary or paired acorns in autumn.

Other common names
American black oak
dyer's oak
see morequercitron
yellow-barked oak
Synonyms
Quercus tinctoria
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Size
Ultimate height
Higher than 12 metres
Time to ultimate height
more than 50 years
Ultimate spread
Wider than 8 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Yellow Green
Summer Green
Autumn Brown Red Yellow Brown
Winter
Position
  • Full sun
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Fagaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
Pets (dogs): Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

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

Name status

Correct

Plant range
Canada

How to grow

Cultivation

Grow in deep, fertile, well-drained soil in full sun

Propagation

Propagate by seed or grafting in mid-autumn or late winter

Suggested planting locations and garden types
  • Low Maintenance
Pruning

Pruning group 1

Pests

May be susceptible to oak processionary moth, aphids, caterpillars, leaf-mining moths and oak gall wasps

Diseases

May be susceptible to powdery mildews and honey fungus

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