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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:
the RHS today and get 12 months for the price of 9
Other common names
pride of Madeira
Echium can be annuals, biennials, evergreen perennials or shrubs, with simple, coarsely hairy leaves and funnel-shaped flowers borne in panicles or dense spikes in summer
E. candicans is a bushy biennial sub-shrub with grey-hairy lance-shaped leaves and dense terminal spike-like panicles of white, pale or deep blue flowers in spring and 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
SoilSand, Clay, Chalk, Loam
Time to ultimate height
Under glass, grow in a loam-based potting compost (John Innes Number 3) in full light. Water freely when in growth, sparingly in winter. Outdoors, grow in moderately fertile, well-drained soil in full sun. Protect from winter frost in situ with horticultural fleece
Propagate by seed at 13-16°C (55-61°F) in summer, overwintering seedlings at 5-7°C (41-45°F)
Suggested planting locations and garden types
Flower borders and beds Wall-side Borders
City & Courtyard Gardens Coastal Cottage & Informal Garden
Pruning No pruning required
Pests Outdoors slugs may be a problem; indoors glasshouse whitefly and glasshouse red spider mite can be troublesome. vine weevils may also be found
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.
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Join the RHS today and get 12 months for the price of 9