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Trochodendron aralioides

wheel tree

T. aralioides is usually an epiphyte or a tree in the wild and may grow up to 10m or more, but in cultivation is usually a slow-growing shrub to 3m; it has aromatic bark, spirally arranged, long-stalked, evergreen leaves up to 12cm long, which are tapered, obovate, leathery, glossy, bright green or olive-green, with scalloped margins, and racemes up to 12cm long of 10-20 or more bright green flowers, 2cm across, which have no petals but numerous stamens radiating from central green discs, in late spring and early summer

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Size
Ultimate height
4–8 metres
Time to ultimate height
20–50 years
Ultimate spread
2.5–4 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Green
Summer Green Green
Autumn Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H3
Botanical details
Family
Trochodendraceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Genus

Trochodendron is an evergreen shrub or tree which can reach a height of around 20m. Leaves are leathery dark green with yellowish-green flowers. The flowers have no petals but around 40 to 70 stamens instead. The fruit they produce is woody and star-shaped.

Name status

Correct

Plant range
Japan, Korea, Taiwan

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How to grow

Cultivation

Grow in fertile, neutral to slightly acidic, moist but well-drained soil in full sun or dappled shade, and with shelter from cold, drying winds, for example in a woodland garden

Propagation

Propagate by seed sown in containers in a cold frame in autumn, or by semi-ripe cuttings in summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance
  • Cut flowers
  • Hedging and screens
Pruning

No pruning required or Pruning group 1 (little or no pruning of trees and shrubs)

Pests

Generally pest-free

Diseases

Generally disease-free

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