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Fruit EdibleTrees

Juglans regia 'Europa' (F)

A hardy, deciduous, heavy-cropping walnut tree around 5m tall, with dark green foliage. More compact than other varieties it has delicate, but fairly inconspicuous pale green catkins which appear in spring, turning into green fruit in late summer from which edible walnuts can be extracted. Walnuts are produced on quite young trees - usually less than ten years old. Most walnut trees will need a pollinator of a different variety, even if self-fertile

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Ultimate height

4–8 metres

Time to ultimate height

20–50 years

Ultimate spread

4–8 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or North–facing or South–facing or West–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: Spreading branched
Genus: Juglans are deciduous trees with pinnate leaves, and inconspicuous flowers in catkins followed by usually edible nuts
Name status: Unresolved

How to grow

Cultivation

Grow in any deep, fertile soil. Suited to very large gardens or parks. For nut production, more than one tree is needed for cross pollination

Propagation

Propagate by grafting

Suggested planting locations and garden types

Architectural
Wildlife gardens
Edible fruit

Pruning

Pruning group 1

Pests

May be susceptible to aphids and walnut blister mites

Diseases

May be susceptible to walnut leaf spot, walnut leaf blotch, honey fungus and coral spot

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