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Trees

Idesia polycarpa

Igiri tree

A deciduous tree with an open, branching habit and large, heart-shaped, slightly toothed, glossy green leaves, held on reddish stems and sometimes tinted red when young. Long, hanging clusters of small, fragrant yellow-green flowers are produced on mature trees in midsummer. If pollinated, these are followed by hanging clusters of round red berries on female trees, which sometimes persist into winter

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Ultimate height

8–12 metres

Time to ultimate height

20–50 years

Ultimate spread

Wider than 8 metres

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Neutral, Acid

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing or West–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)

Botanical details

Family: Salicaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Spreading branched
Name status: Correct
Plant range: S China to Temp E Asia

How to grow

Cultivation

Grow in deep, moderately fertile, moist but well-drained, neutral to slightly acid soil in full sun or light shade. Female trees need a male tree nearby to produce berries reliably

Propagation

Propagate by softwood cuttings in late spring or by semi-ripe cuttings in midsummer

Suggested planting locations and garden types

Architectural

Pruning

Minimal pruning required, see pruning group 1

Pests

Generally pest-free

Diseases

Generally disease-free

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