• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Primula auricula ambig. (Au)

auricula

auricula

© RHS

  • Other common names auricula
    baziers

    bear's ears
    boar's ears
    common auricula
    dusty miller
    French cowslip
    mountain cowslip
    tanner's apron

    see more
  • Family Primulaceae

  • Genus 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

  • Horticultural Group Auricula section primulas are evergreen perennials with leathery, often farinose foliage and simple umbels of salver-shaped flowers which are usually pink, purple or yellow

  • Details P. auricula is an evergreen perennial to 15cm tall, with light green, bluntly toothed leaves and several salver-shaped, bright flowers in an umbel in spring

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H5

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing or East-facing

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • MoistureMoist but well-drained, Well-drained

  • SoilLoam

  • pHAlkaline, Acid

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 1-2 years

How to grow

Cultivation Grow in full sun or part shade in moderately fertile, moist but well-drained, humus-rich soil. Under glass or in a frame use a mix of equal parts loam-based potting compost(JI No.2), leaf mould and grit. Avoid wetting the foliage of mealy species and hybrids

Propagation Propagate by seed in containers in an open frame as soon as ripe or in late winter or early spring. Propagate by division between autumn and early spring or take root cuttings when dormant in winter

Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Cottage & Informal Garden Gravel Garden Rock Garden Patio & Container Plants

How to care

Pruning Tidy plants after flowering and remove old or diseased leaves

Pests Prone to aphids, glasshouse red spider mite, leafhopper, vine weevil and slugs

Diseases May be affected by a virus, primula brown core and grey mould (botrytis)

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