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Climber Wall Shrub

Smilax aspera

prickly ivy

Evergreen climber about 3m tall, eventually forming a dense tangle of thorny, angular stems, and leathery, ovate, heart-shaped, glossy green leaves, often blotched grey. Small, fragrant, pale green flowers are produced in racemes in late summer and early autumn, followed by red fruits

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Size
Ultimate height
2.5–4 metres
Time to ultimate height
2–5 years
Ultimate spread
2.5–4 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Green Green Grey Silver
Autumn Green Green Grey Silver Red
Winter Green Grey Silver
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H3
Botanical details
Family
Smilacaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Climbing, Trailing
Genus

A large genus of around 300 to 350 evergreen and deciduous species of shrub, found in tropical and sub-tropical regions around the world. They form very dense thickets of spiny stems, with heart-shaped green foliage and greenish-white flowers which appear in May and June. Pollinated plants produce bright, round blue-red berries that ripen in the autumn

Name status

Correct

Plant range
Europe, Asia, Africa

How to grow

Cultivation

Requires a warm sunny position in well-drained soil, grown against a support. Not suitable for cold, frost prone areas

Propagation

Propagate by seed in autumn or by division in autumn or spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Sub-tropical
  • Wildlife gardens
  • Climber and wall shrubs
Pruning

Pruning group 11 after flowering, care necessary to avoid prickly stems

Pests

Generally pest-free

Diseases

Generally disease-free

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