Join the RHS today and support our charitable work
Keep track of your plants with reminders & care tips – all to help you grow successfully
For the latest on RHS Shows in 2020 and 2021, read more
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Free entry to RHS members at selected times »
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Help us achieve our goals
Join the RHS today and support our charity
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 'Spark's Variety'
Aconitum 'Henryi Sparks Variety' Aconitum napellus 'Spark's Variety'
Aconitum can be herbaceous perennials or biennials with lobed leaves and racemes or panicles of showy, hooded flowers
'Spark's Variety' is an upright herbaceous perennial to 1.5m in height, with deeply divided, glossy dark green leaves and branching spikes of hooded, deep violet-blue flowers
Toxicity All parts are highly toxic if eaten, all parts may be harmful through skin contact, handle with care
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
pHNeutral, Acid, Alkaline
Time to ultimate height
Best grown in cool, moist, fertile in partial shade, but will tolerate most soils and full sun if soil is improved with well-rotted organic matter and mulched.
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
Cut Flowers Flower borders and beds
Pruning Cut down plants in autumn
Pests Generally pest free
May suffer from powdery mildews
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.