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Climber Wall Shrub

Clematis 'H.F. Young' (EL)

clematis 'H.F. Young'

A deciduous climber blooming in late spring to early summer and again in late summer to early autumn. The flowers are large, open stars, 15-18cm across, with six sepals opening mauve-blue ageing to Wedgwood blue, and pale yellow stamens

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Size
Ultimate height
2.5–4 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green
Summer Blue Green
Autumn Blue Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Ranunculaceae
Native to the UK
No
Foliage
Deciduous
Habit
Climbing
Potentially harmful
Skin irritant. Wear gloves and other protective equipment when handling
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

Accepted

Horticultural Group
Early Large-flowered clematis have large star-shaped flowers in early summer, often with a second flowering in late summer

How to grow

Cultivation

Plant in a sheltered position in 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 deep to encourage new shoots to grow from below ground level. Further clematis cultivation advice

Propagation

Propagate by layering, softwood cuttings or semi-hardwood cuttings

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

Pruning (Clematis) Group 2

Pests

May be susceptible to aphids, snails and caterpillars; petals may be eaten by earwigs

Diseases

May be susceptible to honey fungus (rarely), clematis wilt and clematis slime flux

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