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Quercus coccinea 'Splendens' AGM

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© RHS 1999

Characteristics

Plant type

Tree

Habit

Bushy

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Green and Yellow in Spring

Foliage

Green in Spring and Summer
Red in Autumn

Fruit

Brown in Autumn

Size

Ultimate height

Higher than 12 metres

Ultimate spread

wider than 8 metres

Time to ultimate height

more than 50 years


Preferred common name

scarlet oak 'Splendens'

Family

Fagaceae


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

'Splendens' is a large deciduous tree forming a tall, rounded crown of deeply-lobed glossy dark green leaves to 18cm long, turn bright scarlet and crimson in autumn. Yellow-green catkins in clusters

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

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

Soil

  • Well-drained or Moist but well-drained
  • Acid or Neutral
  • Sand, Clay, Chalk or Loam

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 or Low Maintenance


How to care

Pruning

Pruning group 1

Pests

May be attacked by aphids and gall wasps

Diseases

May be subject to oak wilt and powdery mildews