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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.
Join the RHS today and get 12 months for the price of 9
Other common names
China aster annual aster
Callistephus are bushy, upright annuals with coarsely toothed ovate leaves and large, solitary, daisy-like flower-heads, often double in cultivars, in late summer and autumn
C. chinensis varies in height from 20 to 70cm, and width from 25 to 45cm. Chrysanthemum-like flowers can be single, semi double or double, 7 to 12cm across and held on branching stems over a long period from late summer into autumn. Colours include light and dark purple, light and dark pink, red, yellow and white
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect West-facing or South-facing
MoistureMoist but well-drained
SoilChalk, Clay, Loam, Sand
Time to ultimate height
Grow in a sheltered site in fertile, neutral to alkaline, moist but well-drained soil in full sun. Tall cultivars require staking
Propagate by seed sown at 16°C in early spring or in situ in mid-spring
Suggested planting locations and garden types
Cut Flowers Flower borders and beds
Cottage & Informal Garden Patio & Container Plants City & Courtyard Gardens
Pruning Deadhead to prolong flowering
Pests Prone to aphids and cutworms
Prone to wilt diseases
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.