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Climber Wall Shrub

Clematis alpina 'Pamela Jackman' (A)
  • RHS AGM

clematis 'Pamela Jackman'

'Pamela Jackman' is a deciduous climber with divided leaves and solitary, nodding cream-centred, deep blue flowers to 7cm wide from mid-spring to late spring and occasionally in late summer, followed by fluffy seed-heads

Synonyms
Clematis 'Pamela Jackman'
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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
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Cream Blue Green
Summer Cream Blue Green
Autumn Grey Silver
Winter
Position
  • Full sun
  • Partial shade
Aspect

North–facing or South–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

Accepted

Horticultural Group
Atragene Group Clematis consists of woody climbers with deciduous, 1 to 2-ternate leaves and nodding, bell-shaped, single or double flowers to 10cm across, on old wood in spring and early summer, occasionally also later, on current year's growth

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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-ripe cuttings

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

Pruning (clematis) group 1

Pests

Aphids, slugs and snails may attack young growth

Diseases

May be affected by powdery mildew in dry soils, fungal leaf spot and clematis slime flux; generally unaffected by clematis wilt

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