Clematis 'Perle dAzur'

Jackmanii Group clematis

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Key information

Plant type

Deciduous climber

Flower colour






Skill level


photo by Michael Howes, copyright GAP Photos (19303)

Plant details

Perle d'Azur' is one of the best blue clematis, having flowers the colour of a summer sky. The flowers are 10cm (4in) across and are produced continuously between mid-summer and the middle of autumn. Cut back the stems to a pair of strong buds 15cm to 20cm (6in to 8in) above ground level before growth begins in early spring. This pruning technique makes late-flowering clematis useful for training into shrubs, trees and climbing roses as the clematis growth is removed each spring and so never becomes too much of a burden on its supporting plant. The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM).

Family: Ranunculaceae

Genus: Clematis

Cultivar: Perle dAzur

Plant type: Deciduous climber

Flower colour: Blue

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Clay/heavy, Chalky/alkaline

Hardiness: Hardy

Skill level: Experienced

Height: 500cm

Spread: 120cm

Time to prune: February to March

Flowering period: July to September

Reader reviews


This plant is a jewel. Lovely colour, flowers after my spring clematis. Climbed through the apple tree in my last garden, climbs through my shirotae cherry in my current garden. Prolific.

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