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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
common white alder 'Hummingbird'
Clethra can be deciduous or evergreen trees or shrubs, sometimes with attractive bark, with simple leaves and small, fragrant, usually white, bell-shaped flowers in racemes or panicles
'Hummingbird' is a compact shrub, up to 1.2m high, with glossy dark green leaves which turn yellow in autumn. Many feathery spikes of sweetly clove-scented white flowers appear in mid- to late summer
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 or North-facing
MoistureMoist but well-drained
Time to ultimate height
Grow in humus-rich, moist, well-drained, lime-free soil in dappled shade, in the shelter of an open woodland garden or a lightly-shaded shrub border; after pruning, mulch with well-rotted leaf mould
Propagate by division of suckers, by heeled semi-ripe cuttings of lateral shoots in summer, or by layering in late autumn or early spring
Suggested planting locations and garden types
Cottage & Informal Garden
Pruning Pruning group 1; in winter, remove some of the older stems, leaving the strongest suckers; cut off old flowerheads in spring
Pests Generally pest free
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.