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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 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. japonica is a rhizomatous perennial forming fans of glossy evergreen foliage. Branched stems to 45cm bear white or pale blue flowers 4-5cm in width, the fringed falls spotted with deep purple, with orange crests
Toxicity Ingestion may cause severe discomfort
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 East-facing or West-facing
MoistureMoist but well-drained, Poorly-drained
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in moist, humus-rich soil in a sheltered position in sun or partial shade
Propagate by seed sown in pots in a cold frame in autumn or spring. Propagate by division of rhizomes from midsummer to early autumn
Suggested planting locations and garden types
Flower borders and beds Cut Flowers
Patio & Container Plants Rock Garden
Pruning Remove any dying foliage in autumn, old flower stems can be cut down after flowering
Pests Prone to slugs, snails and thrips
May be affected by 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