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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
Maltese cross Jerusalem cross
common rose campion Constantinople campion cross of Jerusalem fireball flower of Bristow flower of Constantinople gardener's delight gardener's eye great candlestick knight's cross London pride meadow campion none-such red Robin scarlet lightning scarlet lychnis tears of Christ
Lychnis chalcedonica 'Red Cross' Lychnis chalcedonica
Lychnis can be biennials or perennials, with simple leaves and tubular, salver-shaped or star-shaped flowers in terminal clusters
L. chalcedonica is an erect herbaceous perennial to 1m in height, with oval leaves and small, bright vermilion flowers in compact, domed heads 10-12cm in width
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 or East-facing
SoilSand, Chalk, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in moist, fertile soil in sun or partial shade. May require support in windy situations
Propagate by seed in pots in a cold frame as soon as seed is ripe or in spring. Propagate by division or basal cuttings in early spring.
Suggested planting locations and garden types
Flower borders and beds
Coastal Cottage & Informal Garden Wildlife Gardens
Pruning Deadhead to prolong flowering then cut down in the autumn
Pests May be attacked by aphids and slugs
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.