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Shrubs

Eleutherococcus sieboldianus

Siebold eleutherococcus

A spiny deciduous shrub of lax, scrambling habit, with bright green leaves divided into about seven lance-shaped segments, and greenish-white flowers in late spring and early summer

Synonyms

Acanthopanax spinosus misapplied
Acanthopanax sieboldianus
see moreAcanthopanax pentaphyllus
Eleutherococcus spinosus misapplied
Aralia pentaphylla

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Ultimate height

1.5–2.5 metres

Time to ultimate height

10–20 years

Ultimate spread

1.5–2.5 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or East–facing or North–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: Araliaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Eleutherococcus are deciduous trees, shrubs and climbers with palmately lobed leaves and tiny white flowers borne in simple or compound umbels, followed by black fruits
Name status: Correct
Plant range: E China

How to grow

Cultivation

Grow in well-drained poor to moderatelly fertile soil, ideally in full sun, but it will tolerate shade and clay soils if well-drained

Propagation

Propagate by seed in autumn or spring. Take softwood cuttings in early summer or root cuttings in winter

Suggested planting locations and garden types

Coastal
Cottage and informal garden
Flower borders and beds

Pruning

Pruning group 1, but it will usually tolerate renovation pruning in winter

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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