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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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Astilbe are rhizomatous herbaceous perennials with attractive, usually ternately divided leaves and erect plume-like panicles of tiny white, pink or purple flowers in summer. The old, brown flower-heads remain attractive in autumn
'Radius' is a clump-forming perennial to about 1m tall with glossy, mid-green, divided foliage and reddish stems. Small, deep red flowers, fairly densely packed in very long, narrow, branching sprays, appear in late summer
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect North-facing or East-facing or South-facing or West-facing
Exposure Exposed or Sheltered
MoistureMoist but well-drained, Poorly-drained
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in moist, fertile, humus-rich soil in full sun, or in partial shade if soil is likely to dry out in the summer. Plants must be divided every three to four years to maintain vigour
Propagate by division in late winter or early spring, pot divisions under glass and plant out in late spring
Suggested planting locations and garden types
Cut Flowers Flower borders and beds
Cottage & Informal Garden
Pruning Can cut back after flowering, or delay until spring as faded flower spikes can remain attractive in autumn and winter
Pests Generally pest-free
Powdery mildews and a leaf spot may be troublesome
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.