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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:
© RHS 1999
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Other common names
Iris may be rhizomatous or bulbous perennials, with narrowly leaves and erect stems bearing flowers with 3 large spreading or pendent fall petals, alternating with 3 erect, often smaller, standard petals, in late winter, spring or early summer
I. graminea is a rhizomatous iris 30-40cm tall, with narrow, bright green leaves and plum-scented, reddish-purple flowers 8cm wide, the falls white, strongly veined with violet
C & S Europe
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 East-facing
Exposure Exposed or Sheltered
MoistureMoist but well-drained
SoilSand, Clay, Loam
Time to ultimate height
Grow in well-drained neutral to slightly acid loam in full sun or part shade
Divide in spring or late summer. Propagate by seed as soon as it is ripe and overwinter in a coldframe
Suggested planting locations and garden types
Flower borders and beds
City & Courtyard Gardens Coastal Cottage & Informal Garden
Pruning Remove any dying foliage in autumn, old flower stems can be cut down after flowering
Pests May be attacked by slugs, snails and thrips
May be subject to grey moulds
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