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Trees

Liquidambar styraciflua 'Simone'

sweet gum 'Simone'

Compact, deciduous tree that can reach a height of 6m, with an upright habit and a narrow, columnar crown. Maple-like, dark green, palmate leaves are 5-lobed and turn yellow-orange to red in autumn. Small yellow-green flowers appear in spring followed by spiky, brown fruits after flowering

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Plant nurseries
3 suppliers

Ultimate height

4–8 metres

Time to ultimate height

10–20 years

Ultimate spread

4–8 metres

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–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: Hamamelidaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Liquidambar are deciduous trees grown for their alternate, maple-like leaves which take on brilliant and long-lasting autumn colour; flowers and fruits are inconspicuous
Name status: Unresolved

How to grow

Cultivation

Grow in moist but well-drained, neutral to acid, moderately fertile soil, in full sun or partial shade. Suitable for woodlands or as a specimen tree. Full sun brings out the best autumn colour - see tree cultivation

Propagation

Propagate by semi-ripe cuttings

Suggested planting locations and garden types

Cottage and informal garden

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus

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