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Hydrangea anomala subsp. petiolaris

Climbing hydrangea

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Key information

Plant type

Deciduous climber

Flower colour






Skill level


Hydrangea anomala subsp. petiolaris

Plant details

Climbing hydrangea is a useful low-maintenance climber for a shady or north wall, also thriving in sunnier sites in moist soils (the flowers do not last quite as well in a sunny spot). Plants are slow to get going, and often make little new growth in the first few years. However, it is well worth the wait. In midsummer the white lacecap-style hydrangea flowers are huge, up to 10in (25cm) across, and can almost cover the stems completely. The craggy stems cling to the walls by adventitious roots. The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM).

Family: Hydrangeaceae

Genus: Hydrangea

Species: anomala

Cultivar: subsp. petiolaris

Plant type: Deciduous climber

Flower colour: White

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Acidic, Chalky/alkaline

Hardiness: Hardy

Skill level: Experienced

Height: 1500cm

Spread: 500cm

Time to take cuttings: May to August

Flowering period: May to July

Reader reviews


I would like to know when to prune the climbing hydrangea.


A small branch of mine has broken off, and I would appreciate some advice on whether it is possible to root the side shoots. I have detached them and put them in water for several days but no sign of roots yet. Thanks for your help.

Jan Quayle

My 2 climbing hydrangeas dont flower, please help. What can i do?

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