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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.
© Janet Cubey & Wolfgang Bopp 2002
the RHS today and get 12 months for the price of 9
Other common names
Alcea are robust biennials or short-lived perennials with showy funnel-shaped flowers borne in tall, erect racemes in summer
A. rosea is a robust biennial or short-lived perennial to 2m or more, with shallowly lobed, rounded leaves and long erect racemes of open funnel-shaped flowers to 10cm across, which may be pink, purple, red, white or yellow
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
Exposure Sheltered or Exposed
SoilChalk, Sand, Loam
pHNeutral, Acid, Alkaline
Time to ultimate height
Grow in well-drained, moderately fertile soil in full sun. Stake on exposed sites
Propagate by seed sown in gentle heat in mid-winter or in-situ in spring
Suggested planting locations and garden types
Flower borders and beds Wall-side Borders
Cottage & Informal Garden Coastal
Pruning Cut back after flowering
Pests Young growth can be attacked by slugs and caterpillars; flea beetles occasionally causes significant defoliation
Susceptible to a rust
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