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Trees

Pterocarya macroptera

large-winged wingnut

A broad-headed, deciduous tree to 15m tall with leaves made up of 7-17 oblong, toothed leaflets. Pendent catkins of greenish flowers to 70cm long are followed by winged fruits

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Ultimate height

Higher than 12 metres

Time to ultimate height

20–50 years

Ultimate spread

Wider than 8 metres

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

West–facing or South–facing

Exposure

Exposed or 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)

Botanical details

Family: Juglandaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Pterocarya are tall deciduous trees with large pinnate leaves and tiny flowers in pendulous catkins, followed by spikes of winged fruits
Name status: Correct
Plant range: N China

How to grow

Cultivation

Grow in deep, fertile, moist but well-drained soil in full sun

Propagation

Propagate by seed in containers outdoors in autumn

Suggested planting locations and garden types

Low Maintenance

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus

Get involved

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