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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.
Other common names
Tommasini bell flower
Campanula may be annuals, herbaceous or evergreen perennials, with bell or star-shaped, often blue, flowers in late spring or summer
C. tommasiniana is a compact perennial forming a clump to 10cm tall, with nodding, narrowly bell-shaped, light blue flowers 2cm long on erect, leafy stems
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 North-facing or East-facing
Exposure Exposed or Sheltered
SoilChalk, Loam, Sand
pHAcid, Alkaline, Neutral
Up to 10 cm
Time to ultimate height
Grow in gritty, moist but sharply drained soil in full sun. Suits a scree bed trough or alpine house in loam-based potting compost (JI No.1) with plenty of grit. Ideal for sunny wall or rock crevice planting
Propagate by seed in containers in an open cold frame in autumn. Take cuttings of new growth in early spring or summer
Suggested planting locations and garden types
Banks and Slopes Garden Edging
City & Courtyard Gardens Cottage & Informal Garden Rock Garden Gravel Garden Patio & Container Plants
Pruning No pruning required
Pests vine weevil may be a problem under glass. Vulnerable to slugs and snails
Powdery mildew may be problematic
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.