Not the plant you're looking for? Search over 300,000 plants

Quercus coccinea

scarlet oak

A substantial deciduous tree, ultimately to 24m in height, with large leaves, 7.5-15cm long, deeply 7- sometimes 9-lobed, and coarsely toothed at the apex. Leaves are dark green above, paler beneath, both sides shining, becoming scarlet in autumn, the colour long-lasting. Flowers are yellow-green catkins, in spring. Acorns, if produced, to 2.5cm long and nearly as wide, partly enclosed in a deep, thin-edged cup

Synonyms
Quercus × richteri
Buy this plant
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, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Yellow Green
Summer Green
Autumn Red Brown
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–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
Bushy
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
E USA, S Canada

How to grow

Cultivation

Grow in deep, fertile, well-drained soil. A fast growing spreading deciduous tree

Propagation

Propagate by seed, sowing as soon as ripe, in a coldframe or grafting in mid-autumn or early winter

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

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.