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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.
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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
delphinium 'Raymond Lister'
Delphinium can be annuals, biennials or perennials, with palmately lobed basal leaves and showy bowl-shaped flowers in spikes, racemes or panicles
'Raymond Lister' is an erect, strong-growing, free-flowering herbaceous perennial, up to 1.7m high, with an equal balance between lobed green leaves and tapering spikes of brown-eyed, mid-blue flowers in midsummer
Toxicity Harmful if eaten
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
MoistureMoist but well-drained
SoilLoam, Chalk, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in a fertile, well-drained soil in full sun; shelter from strong winds and provide stakes or other supports (see staking perennials)
Propagate by basal softwood cuttings in spring, or by division in early spring or early autumn
Suggested planting locations and garden types
Flower borders and beds Cut Flowers
Cottage & Informal Garden City & Courtyard Gardens
Pruning No pruning required except deadheading; cut stems down to ground level at the end of the growing season
Pests May be affected by aphids, earwigs, delphinium leaf miner, delphinium moth caterpillars, slugs, and snails
May be affected by powdery mildews, delphinium black blotch, grey moulds, sclerotinia disease, and cucumber mosaic virus
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