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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
white-spathed jack in the pulpit
Arisaema are mostly tuberous perennials usually with palmately lobed leaves, and distinctive tubular, hooded spathes within which the tiny true flowers are clustered at the base of the club-like or filamentous spadix, followed by a spike of red berries
A. candidissimum is a tuberous perennial to 30cm in height, with leaves composed of three ovate leaflets, appearing after the flowers. White, hooded spathes, striped pale pink, with a greenish tube are 10cm in length and appear in summer
Toxicity Ingestion may cause severe discomfort, skin and eye irritant
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 North-facing or West-facing or East-facing
MoistureMoist but well-drained
SoilSand, Chalk, Loam
Time to ultimate height
Grow in moist but well-drained humus-rich soil in a cool site. In colder regions may need winter protection and tubers must not dry out when dormant
Propagate by seed, sowing them in containers in a cold frame in autumn or spring. Offsets may be removed in late summer
Suggested planting locations and garden types
Flower borders and beds Underplanting of Roses and Shrubs
Cottage & Informal Garden
Pruning No pruning required
Pests Susceptible to slugs and vine weevil
Generally disease free
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.