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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:
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Other common names
high alpine buttercup
Ranunculus can be annuals, biennials, evergreen or herbaceous perennials, with rhizomes, tubers or spreading by runners. The leaves are variable but often palmately lobed or dissected and the flowers usually bowl-shaped
R. calandrinioides is a tufted perennial to 20cm, with broadly lance-shaped, grey-green basal leaves 5-8cm in length which die down in summer, and 1-3 pink-flushed white flowers 5cm across on erect stems
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
SoilChalk, Loam, Sand
pHAlkaline, Neutral, Acid
Time to ultimate height
Grow in gritty, humus-rich, sharply drained soil in full sun. Or grow in a pot in an alpine house. It dies down in summer, keep dry while dormant. Long-lived but slow growing
Propagate by division in spring or autumn
Suggested planting locations and garden types
Gravel Garden Mediterranean Climate Plants Patio & Container Plants Rock Garden
Pruning No pruning required
May be subject to powdery mildews
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