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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
the RHS today and get 12 months for the price of 9
Other common names
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
C. viticella is a deciduous climber with open bell-shaped flowers 4cm across, with four broad purple or violet-blue tepals and creamy-yellow anthers in summer and early autumn
S Europe, W Asia
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or North-facing or West-facing or East-facing
Exposure Exposed or Sheltered
MoistureMoist but well-drained
SoilSand, Clay, Chalk, Loam
Time to ultimate height
Tolerant of a range of garden soils but best grown 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 root ball 5- 8cm (2-3in) below the soil surface to encourage new shoots from below soil level
Root softwood cuttings in spring or semi-ripe cuttings in early summer. Propagate by layering in late winter or early spring
Suggested planting locations and garden types
Wall-side Borders Flower borders and beds
Patio & Container Plants City & Courtyard Gardens Cottage & Informal Garden
Pruning Pruning (Clematis) Group 3
Pests Slugs and snails, and voles may damage young shoots and cut through young stems. Aphids may attack young growth
Powdery mildew may be a problem; clematis wilt is unlikely to affect species clematis but graft failure or slug damage may cause wilting
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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.