Clematis 'Lasurstern'


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Key information

Plant type

Deciduous climber

Flower colour



Attractive seed-heads, Flowers



Skill level


photo by Suzie Gibbons, copyright GAP Photos (55647)

Plant details

Holder of the Royal Horticultural Society's prestigious Award of Garden Merit (AGM), 'Lasurstern' was first introduced in 1905, yet still holds its own among modern varieties. Its beautiful lavender-blue flowers have cream anthers and wavy edges. It has two flushes of flowers from late spring to early summer and from late summer to early autumn. These are followed by attractive whiskery seedheads. To prune, remove any dead or weak stems in late winter or early spring and cut remaining stems back to the highest pair of strong-growing buds. To encourage blooms to cover the whole plant, train the stems so that they are evenly spaced on their support. As new growth appears in mid-spring, train this to fill any gaps.

Family: Ranunculaceae

Genus: Clematis

Cultivar: Lasurstern

Plant type: Deciduous climber

Flower colour: Lavender

Foliage colour: Mid-green

Feature: Attractive seed-heads, Flowers

Sun exposure: Full sun, Partial shade

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

Hardiness: Hardy

Skill level: Experienced

Height: 300cm

Spread: 90cm

Time to prune: February to March

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