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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.
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Other common names
Clematis armandii var. biondiana
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. armandii is a large, vigorous evergreen climber with leathery, dark glossy green trifoliate leaves up to 15cm long. Single fragrant creamy-white flowers 5-6cm across with creamy stamens, in clusters in early to mid spring.
C & W China
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
MoistureMoist but well-drained
SoilChalk, Clay, Sand, Loam
Time to ultimate height
A vigorous species for a warm south or south-west facing wall with protection from cold winds. Grow in any fertile, well-drained soil and plant with the crown at soil level. See clematis cultivation for further information
Propagate by layering, semi-hardwood cuttings or hardwood cuttings
Suggested planting locations and garden types
Pruning Pruning (clematis) group 1
Pests Young shoots may be troubled by slugs, aphids and caterpillars; petals can be eaten by earwigs
Although generally disease free, occasional stem dieback and Clematis slime flux may be troublesome
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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Join the RHS today and get 12 months for the price of 9