Clematis montana var. grandiflora (M)
white anemone clematis
A very vigorous large deciduous climber with trifoliate leaves. Single pure white flowers to 7cm across from late spring to early summer with occasional later flowers.
Synonyms
Clematis montana 'Grandiflora'Clematis 'Grandiflora'
see moreClematis longicauda
Clematis grandiflora
Clematis anemoniflora
Clematis montana f. grandiflora
Size
Ultimate height
8–12 metresTime to ultimate height
2–5 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical 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
Correct
- Horticultural Group
- Montana Group clematis are vigorous deciduous climbers with single, 4-petalled flowers opening in late spring and early summer
- Plant range
- Ethiopia
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 shoots to grow from below ground level. Best in a sheltered sunny situation. See clematis cultivation for more advice
Propagation
Propagate by layering or semi-hardwood cuttings
Suggested planting locations and garden types
- Wall side borders
Pruning
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
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.