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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
primrose blue primrose
Primula acaulis Primula grandiflora
Primula uniflora Gmelin Primula vernalis
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
Primroses are rosette-forming herbaceous perennials, sometimes grown as annuals, with clusters of solitary flowers arising from the rosette in late winter or early spring
P. vulgaris is a perennial forming a rosette of tongue-shaped leaves, with many scented, usually primrose-yellow flowers 2.5-3.5cm across, in early spring
W & S Europe
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
SoilChalk, Clay, Sand, Loam
pHAcid, Alkaline, Neutral
Up to 10 cm
Time to ultimate height
Grow as biennials for bedding, in a container, in a woodland garden, rock garden or naturalised in grass. Favours a sheltered position in sun or partial shade
Propagate by seed or root basal cuttings
Suggested planting locations and garden types
Flower borders and beds Low Maintenance Banks and Slopes
Cottage & Informal Garden Wildflower meadow Wildlife Gardens
Pruning No pruning required
Pests May be attacked by aphids, vine weevil, slugs, leaf and bud eelworms, leaf-mining flies and glasshouse red spider mite
May be subject to a leaf spot and grey moulds
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Buy from £2.49 at the RHS Plants Shop
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
Join the RHS today and get 12 months for the price of 9