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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
Primula are herbaceous or semi-evergreen perennials, forming a basal rosette of simple leaves, with salver-shaped or bell-shaped flowers which may be solitary or carried in an umbel or in whorls on an erect stem
Proliferae section primulas are moisture-loving herbaceous or semi-evergreen perennials forming a rosette of basal leaves, with erect stems each carrying several whorls of salver-shaped flowers
P. japonica is a deciduous perennial to 45cm tall, with a basal rosette of broad, crinkly light green leaves, and erect stems bearing several whorls of reddish-purple flowers in late spring and early summer
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 South-facing or West-facing
MoistureMoist but well-drained
Time to ultimate height
Grow in deep moist or moist but well-drained neutral to acid, humus-rich soil in full sun or partial shade
Propagate by seed. Sow on the surface of the compost as soon as ripe in late winter or early spring. Can be propagated by division between autumn and early spring. Take root cuttings when dormant in winter
Suggested planting locations and garden types
Flower borders and beds
Cottage & Informal Garden
Pruning Cut back after flowering
Pests May be attacked by aphids, vine weevil, slugs, leaf and bud eelworms and glasshouse red spider mite
May suffer from a virus, primula brown core and grey mould
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.