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Clematis × durandii AGM

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© RHS 2002

Characteristics

Plant type

Climber/Wall Shrub

Habit

Climbing

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Dark Purple in Summer

Foliage

Green in Spring and Summer

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

Durand's clematis

Family

Ranunculaceae


Clematis can be deciduous or evergreen shrubs or herbaceous perennials, mostly climbing by twining leaf-stalks, and often with showy flowers. Some have attractive fluffy seed-heads in autumn

C. × durandii is a medium-sized deciduous, non-twining sub-shrub with long stems bearing simple ovate leaves to 12cm in length. Flowers 10cm across, with four to six indigo-blue sepals have a central tuft of white and golden yellow stamens. Flowers early summer to early autumn

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • North-facing, South-facing, East-facing or West-facing
  • Sheltered or Exposed

Cultivation

Plant in a moisture-retentive, well-drained soil. Keep the base of the plant and roots cool and shaded by other plants or a layer of pebbles or flat stones at the base. Plant with the crown of the clematis at soil level. Mulch in late winter with garden compost or well-rotted manure, avoiding the immediate crown. Ideal for a border where it can be supported by other plants

Soil

  • Moist but well-drained
  • Alkaline or Neutral
  • Chalk, Clay, Sand or Loam

Propagation

Propagate by layering or semi-hardwood cuttings

Suggested planting locations and garden types

Wall-side Borders


How to care

Pests

Young shoots may be troubled by aphids and caterpillars; petals can be eaten by earwigs

Diseases

May suffer from clematis slime flux