Sinowilsonia henryi

RHS Plant Profile
Henry Wilson tree

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Henry Wilson tree Dorling Kindersley Ltd
Henry Wilson tree Dorling Kindersley Ltd
Henry Wilson tree Dorling Kindersley Ltd
Shrubs

A large, spreading, deciduous shrub or small tree. The leaves are broadly oval, to 18cm long. Green, catkin-like flowers appear in late spring; male and female on separate plants. Female catkins can extend to 15cm in fruit

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity
10–20 years
Max Spread
4-8 metres
Max Height
4-8 metres

Growing Conditions

Loam Sand
Moisture
Moist but well–drained
pH
Acid

Position

Full sun Partial shade
Aspect
West–facing or East–facing or North–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Hamamelidaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Sinowilsonia are deciduous shrubs or small trees with broad, oval leaves and catkin-like flowers produced in spring before the leaves open
Name Status
Correct
Plant Range
C & W China

How to Grow

Cultivation

Grow in moist but well drained, humus-rich acid soil with protection from midday sun and cold, drying winds

Propagation

Propagate by seed sown in autumn, or by softwood cuttings, with bottom heat, in early summer

Suggested planting locations and garden types

  • Architectural
  • Cottage and informal garden
  • Low Maintenance

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

Generally disease-free