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Climber Wall Shrub

Clematis macropetala (d)

downy clematis

C. macropetala is a robust, deciduous climber with attractive, toothed leaves divided into leaflets with sharply serrated edges. Single nodding pale blue to violet-blue flowers with four lance-shaped petals 3-4.5cm long and many smaller, blue or cream petal-like stamens in the centre, so appearing semi-double appear in spring with some blooms in late summer, are followed by numerous seedheads

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
2–5 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Cream Green
Summer Blue Cream Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Ranunculaceae
Native to the UK
No
Foliage
Deciduous
Habit
Climbing
Genus

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 seedheads in autumn

Name status

Correct

Plant range
E & N Asia

How to grow

Cultivation

Plant in a moisture-retentive, well-drained soil, with the roots and base of the plant kept cool and shaded by other plants or a layer of pebbles at the base. Plant with the crown 5-8cm (2-3in) deep to encourage new shoots to grow from below ground level. Can be grown in containers at least 45cm (18in) deep and wide in a soil based potting compost

Propagation

Propagate by layering or semi-hardwood cuttings

Suggested planting locations and garden types
  • Cottage and informal garden
  • City and courtyard gardens
  • Patio and container plants
  • Flower borders and beds
  • Wall side borders
Pruning

Clematis pruning: group one

Pests

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

Diseases

May suffer from clematis slime flux

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