• AGM plants

    AGM plants have been through a rigourous 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.

  • 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

  • Family Primulaceae / Primulaceae

  • Species 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

  • 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

Characteristics

  • Foliage Evergreen

  • Habit Clump-forming

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or East-facing

  • Exposure Exposed

Soil

  • Chalk

    Chalk

  • Chalk

    Loam

  • Chalk

    Sand

  • MoistureWell-drained

  • SoilChalk, Loam, Sand

  • pHAlkaline

Size

  • 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

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