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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.
© RHS 1997
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Other common names
trailing lobelia 'String of Pearls'
Lobelia can be annuals, perennials or shrubs, with simple leaves and showy 2-lipped flowers that may be solitary or in racemes or panicles
'String of Pearls' is a spreading annual to 25cm in height, with neat foliage and flowers in shades of light and deep blue, purple or white, some with a white eye
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 East-facing or North-facing
Exposure Sheltered or Exposed
MoistureMoist but well-drained
pHAcid, Neutral, Alkaline
Time to ultimate height
Grow in deep, fertile, reliably moist soil in full sun or partial shade. Apply a balanced fertilizer every two weeks during spring and early summer and a nitrogen free fertilizer every two weeks from mid-summer onwards
Propagate by seed sown at 13-18ºC in late winter
Suggested planting locations and garden types
Flower borders and beds Garden Edging
City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants
Pruning Cut back after flowering
Pests Slugs may be a problem
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.
Join the RHS today and get 12 months for the price of 9