About
Primula auricula L. (Au), the auricula, is an evergreen perennial forming a rosette of obovate, sometimes mealy, pale-green leaves. Perfumed, mealy-centred, bright-yellow flowers 1.5�2.5 cm across are carried in umbels on stems to 20 cm. The parent of the huge range of auricula cultivars � an outstanding alpine perennial for a well-drained, shaded or partially shaded position.
About the genus
Primula are herbaceous or semi-evergreen perennials forming basal rosettes of simple leaves, with salver-shaped or bell-shaped flowers borne singly or in umbels or whorls on upright stems. A vast genus ranging from tiny alpines to large candelabra and Asiatic border plants.
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeAlpine Rockery, Herbaceous Perennial
HabitClump forming
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Gravel garden, Rock garden, City and courtyard gardens, Patio and container plants
Native toEurope
FragranceFlower
ToxicitySkin allergen. Wear gloves and other protective equipment when handling
Care notes
CultivationGrow in moderately fertile, moist but well-drained, humus-rich soil in full sun or partial shade. Can also be grown in pots in an alpine house
PruningNo pruning required but deadhead after flowering, and remove dead or damaged leaves as necessary
PropagationPropagate by detaching offsets in autumn or early spring
Pest resistanceMay be susceptible to aphids, glasshouse red spider mite, slugs, leafhoppers and vineweevils
Disease resistanceMay be susceptible to a virus, primula brown core and grey moulds