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Quercus robur 'Concordia'

golden oak

A small, rounded, very slow-growing tree to around 10m tall with short-stalked, lobed leaves that emerges bright yellow in spring aging to greenish-yellow. Insignificant yellow-green flowers in spring may be followed by stalked, ovoid acorns

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Size
Ultimate height
8–12 metres
Time to ultimate height
20–50 years
Ultimate spread
4–8 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Yellow Yellow
Summer Green Yellow
Autumn Green Yellow Brown
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Fagaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Spreading branched
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

Accepted

How to grow

Cultivation

Grow in any deep, fertile soil in full sun or partial shade. See tree cultivation for further advice

Propagation

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

Suggested planting locations and garden types
  • Architectural
  • 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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