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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
Viticella Group are deciduous climbing shrubs with usually pinnate leaves, and nodding, single to double, open-bell-shaped flowers of small to medium-size, produced on the current year's growth in summer and early autumn
'Walenburg' is a deciduous climber with yellow-green foliage growing to about 3m and blooming from early to late summer. The flowers open from a broad, hanging bell to an outward-facing star, and have four, deep velvety-red-purple sepals each with a broad, central, white stripe
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 West-facing or East-facing
MoistureMoist but well-drained
SoilChalk, Clay, Sand, Loam
pHAlkaline, Neutral, Acid
Time to ultimate height
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 deep to encourage new shoots to grow from below ground level. See clematis cultivation
Propagate by layering, softwood or semi-hardwood cuttings
Suggested planting locations and garden types
Wall-side Borders Flower borders and beds
City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants
Pruning Clematis pruning: group three
Pests Young shoots may be troubled by aphids and slugs; petals can be eaten by earwigs
May suffer from clematis slime flux. Likely to be tolerant of clematis wilt
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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