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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
sunflower 'Loddon Gold'
Helianthus can be tall, erect annuals, tuberous or rhizomatous perennials, with coarse simple leaves and large daisy-like flower-heads
'Loddon Gold' is an herbaceous perennial making a clump to 1.5m in height, with rough, ovate leaves to 20cm in length and fully-double, deep yellow flower-heads 10-12cm in width
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
SoilClay, Loam, Chalk
Time to ultimate height
Grow in a moderately fertile, humus-rich, moist but well-drained, neutral to alkaline soil in full sun. Needs a long hot summer to flower well. May need support
Propagate by division in spring or autumn
Suggested planting locations and garden types
Flower borders and beds Cut Flowers
Cottage & Informal Garden Wildlife Gardens Prairie Planting
Pruning Cut back after flowering
Pests Can get slugs and snails
May be affected by powdery mildews and sclerotinia diseases
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Join the RHS today and get 12 months for the price of 9