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Climber Wall Shrub

Hydrangea petiolaris
  • RHS AGM
  • RHS Plants for pollinators

climbing hydrangea

A large self-clinging, deciduous climber with broadly oval leaves turning yellow in autumn. Flower-heads to 20cm in width, with small fertile flowers surrounded by showy white sterile ones

Synonyms
Hydrangea anomala subsp. petiolaris
Hydrangea scandens Maxim.
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Size
Ultimate height
Higher than 12 metres
Time to ultimate height
10–20 years
Ultimate spread
4–8 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Yellow
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or North–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Hydrangeaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Climbing
Potentially harmful
Skin allergen. Wear gloves and other protective equipment when handling. Pets (dogs, cats): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

Hydrangea can be deciduous or evergreen shrubs, or self-clinging climbers, with flowers in clusters usually comprising both small fertile and more showy sterile flowers; often good autumn colour

Name status

Correct

Plant range
Japan, S Korea

How to grow

Cultivation

Grow in any moist but well-drained soil in partial shade or grow in sun if soil remains reliably moist. Improve chalky soils with organic matter to support good growth. See climbing hydrangea cultivation

Propagation

Propagate by layering and softwood cuttings in early summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Wildlife gardens
  • Low Maintenance
  • Wall side borders
  • Climber and wall shrubs
Pruning

Pruning group 11 after flowering

Pests

May be susceptible to aphids, capsid bug, hydrangea scale and vine weevil

Diseases

May be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)

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