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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.
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Other common names
monk's hood 'Arendsii'
Aconitum carmichaelii 'Arendsii'
Aconitum can be herbaceous perennials or biennials with lobed leaves and racemes or panicles of showy, hooded flowers
'Arendsii' forms a clump of erect stems bearing deeply divided leaves and spires of rich lavender-blue flowers in early and mid-autumn
Toxicity All parts are highly toxic if eaten, all parts may be harmful through skin contact. Wear gloves and other protective equipment when handling
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 East-facing or West-facing
MoistureMoist but well-drained
pHAcid, Alkaline, Neutral
Time to ultimate height
Best grown in moisture retentive fertile soil in partial shade but sun and most soils are tolerated. Staking may be necessary
Divide every third year in autumn or late winter to maintain vigour, although plants can be slow to re-establish. Use gloves when handling plants as all parts are highly toxic
Suggested planting locations and garden types
Flower borders and beds
Cottage & Informal Garden
Pruning Tall stems can be pruned down later in autumn when flowering is finished
Pests Aphids may be troublesome
Fungal stem rot and Verticillium wilt may occasionally be troublesome
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.