Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Red | Green | ||
---|---|---|---|---|
Summer | Red | Green | ||
Autumn | Red | Green | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or North–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical 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
Trade
- 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 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. Ideal for containers, including hanging baskets. See clematis cultivation
Propagation
Propagate from cuttings (climbers) or by layering, for home use
Suggested planting locations and garden types
- Cottage and informal garden
- Patio and container plants
- City and courtyard gardens
- Flower borders and beds
- Wall side borders
Pruning
Pruning (clematis) group 2, light prune for early flowers. Remove dead and damaged stems before growth begins in early spring. Trim all remaining stems to strong buds. Hard prune for easy-care option using Pruning (clematis) group 3
Pests
Young shoots may be troubled by aphids and caterpillars; petals can be eaten by earwigs
Diseases
May suffer from clematis wilt, clematis green petal and clematis slime flux
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.