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Climber Wall Shrub

Hydrangea Semiola ('Inovalaur'^PBR)

A fast-growing, self-clinging evergreen climbing or spreading ground cover shrub up to 3m in height, with foliage emerging a copper colour in spring, changing to dark green in summer, and bearing flat flowerheads of white flowers from May to June; ideal for a shady area against a fence or trellis

Synonyms

Hydrangea 'Inovalaur'^PBR

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Ultimate height

2.5–4 metres

Time to ultimate height

5–10 years

Ultimate spread

2.5–4 metres

Clay

Loam

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or North–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: Hydrangeaceae
Native to the UK: No
Foliage: Evergreen
Habit: Climbing, Spreading branched
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: Trade

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 for further advice

Propagation

Propagate by softwood cuttings in early summer or hardwood cuttings in winter

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Wildlife gardens
Low Maintenance
Climber and wall shrubs
Ground cover
Wall side borders

Pruning

Cut back any over-long shoots immediately after flowering. As most flowers are produced towards the top of the plant, leave as much of this un-pruned as possible

Pests

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

Diseases

May be susceptible to a leaf spot, grey moulds, powdery mildews and honey fungus

Get involved

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