Clematis 'Jackmanii' (LL)
Jackman's clematis
A free-flowering, medium-sized, vigorous, deciduous climber. Flowers to 10cm in width in late summer, with four textured rich velvety violet-purple sepals and greenish-cream anthers. Flowers from early to late summer.
Size
Ultimate height
2.5–4 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Purple Brown | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or ·¡²¹²õ³Ù–f²¹³¦¾±²Ô²µ
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Ranunculaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Climbing
- Potentially harmful
- Skin irritant. Wear gloves and other protective equipment when handling. Pets (rabbits): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- 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
- Late Large-flowered clematis are deciduous climbers with large, star-shaped flowers to 15cm wide, opening on the current year's growth in summer and autumn
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. See clematis cultivation for more advice
Propagation
Propagate by layering or semi-hardwood cuttings
Suggested planting locations and garden types
- Wall side borders
Pruning
Pruning (clematis) Group 3
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
Clematis 'Jackmanii' (LL)
Jackman's clematis
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