• 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 allionii (Au)

Allioni's primrose

Allioni's primrose

© RHS 1985

  • Other common names Allioni's primrose

  • Synonyms Primula glutinosa All.

  • 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. allionii is a small evergreen perennial forming rosettes of oblanceolate greyish-green leaves, with up to five white to pink flowers, usually white-eyed, 3cm across, borne in umbels on short erect scapes from late winter

  • Plant range European Alps


  • Foliage Evergreen

  • Habit Clump-forming

  • 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)




  • Full Sun

  • Partial Shade

  • Aspect South-facing or East-facing

  • Exposure Exposed


  • Chalk


  • Loam


  • Sand


  • MoistureWell-drained

  • SoilChalk, Loam, Sand

  • pHAlkaline


  • Ultimate height Up to 10 cm

  • Ultimate spread 0-0.1 metre

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in pots in an alpine house or frame. Use an alpine compost based on loam with added lime. Avoid wetting the foliage

Propagation Propagate by seed sown in pots in an open frame as soon as ripe or in late winter to early spring. Propagate by detaching offsets in autumn or early spring

Suggested planting locations and garden types Patio & Container Plants

How to care

Pruning Deadhead after flowering

Pests May be attacked by aphids, glasshouse red spider mite, slugs, leafhoppers and vineweevils

Diseases May be subject to a virus, primula brown core and grey moulds

Advertise here

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now