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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.
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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
purple ground clematis
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
Flammula Group clematis can be vigorous deciduous climbers or herbaceous perennials; the small star-shaped flowers open in summer and autumn, and are usually fragrant, followed by silky seed heads
'Purpurea' is a clump forming herbaceous perennial with coppery purple young foliage and panicles of fragrant white flowers 2cm across in profusion in summer and early autumn
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
SoilSand, Chalk, Clay, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Plant in a moisture-retentive, well-drained soil. Keep the base of the plant and roots cool and shaded by other plants or a layer of pebbles or flat stones at the base. Plant with the crown of the clematis at soil level. Mulch in late winter with garden compost or well-rotted manure, avoiding the immediate crown. Ideal for a border where it can be supported by other plants or useful groundcover
Propagate by division or take basal cuttings in spring or semi-ripe cuttings in early summer
Suggested planting locations and garden types
Flower borders and beds Wall-side Borders
City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants
Pruning Pruning (clematis) group 3. Cut back all the previous years stems to 15-20cm (6-8in) above soil level, before growth begins in spring
Pests Aphids, capsid bug, caterpillars, slugs and snails may damage young growth; earwigs may damage flower petals
May be affected by powdery mildew in dry conditions and a virus
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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