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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.
© Mike L. Grant 1999
the RHS today and get 12 months for the price of 9
Other common names
viper's bugloss adderwort
blue devil blue thistle blueweed bugloss cat's tail North American blueweed snake flower viper's grass viper's herb
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. vulgare is an erect, bristly biennial to 75cm, with lance-shaped, hairy leaves and dense cylindrical spikes of bell-shaped violet-blue flowers in early summer
Toxicity All parts may cause mild stomach upset if ingested
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 North-facing or West-facing or East-facing
Exposure Exposed or Sheltered
SoilLoam, Chalk, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in a moderately fertile, well-drained soil in full sun. Suitable for annual border or wildlife garden
Propagate by seed
Suggested planting locations and garden types
Flower borders and beds
Cottage & Informal Garden Wildflower meadow Coastal
Pruning No pruning required
Pests Prone to slugs and glasshouse whitefly
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Buy from £2.49 at the RHS Plants Shop
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.