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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
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 West-facing or East-facing
MoistureMoist but well-drained
SoilChalk, Loam, Clay
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
Cut Flowers Flower borders and beds
Wildlife Gardens Cottage & Informal Garden Prairie Planting
Pruning Cut back after flowering
Pests Can get slugs and snails
May be affected by powdery mildews and sclerotinia diseases
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.