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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.
the RHS today and get 12 months for the price of 9
Other common names
Iris may be rhizomatous or bulbous perennials, with narrow 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. forrestii is a clump-forming herbaceous perennial to 45cm tall, with narrow leaves glossy above, greyish beneath, and yellow flowers 6cm wide, the falls finely streaked with brown lines, opening in early 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 or East-facing
Exposure Exposed or Sheltered
MoistureMoist but well-drained, Well-drained
SoilSand, Loam, Clay
pHNeutral, Acid, Alkaline
Time to ultimate height
Grow in moisture-retentive, well-drained soil in full sun or part shade; mulch in spring with well-rotted organic matter particularly in drier soils
Propagate by seed in autumn or spring, propagate by division in summer or autumn
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 Slugs and snails may damage leaves and rhizomes, aphids and thrips may damage leaves
May be affected by grey moulds, leaf spot (fungal) or a virus
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.