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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
monk's hood 'Bressingham Spire'
Aconitum can be herbaceous perennials or biennials with lobed leaves and racemes or panicles of showy, hooded flowers
'Bressingham Spire' is an herbaceous perennial to 90cm, with deeply divided, glossy dark green leaves and erect spikes of hooded, violet-blue flowers in late summer and autumn
Toxicity All parts are highly toxic if eaten
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect North-facing or West-facing or East-facing
MoistureMoist but well-drained
SoilLoam, Clay, Chalk, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
Best grown in moisture retentive, fertile well-drained soil in partial shade but will tolerate most soils and full sun. Staking may be necessary
Propagate by division in autumn or late winter to maintain vigour but plants may be slow to re-establish. Use protective gloves when handling any part of the plant
Suggested planting locations and garden types
Flower borders and beds
Cottage & Informal Garden
Pruning Cut down old flowering stems when flowering is finished
Pests Aphids may be a problem
Crown rot, Verticillium wilt, bacterial spotting of the foliage and powdery mildew may be problematic
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.
Join the RHS today and get 12 months for the price of 9