• 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 'Gigha' (Pr/prim)

primrose 'Gigha'

  • Other common names primrose 'Gigha'

  • Synonyms Primula vulgaris 'Gigha White'
    Primula 'Gigha White'

  • 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

  • Details

    'Gigha' is a rosette-forming, semi-evergreen, Primrose group primula up to 15cm, with mid-green leaves and white flowers with yellow eyes, on single stems, in spring

Characteristics

  • Foliage Semi-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)

    H7

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered or Exposed

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Sand

    Sand

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in full sun or partial shade in moderately fertile, moist but well-drained, humus-rich-soil

Propagation Propagate by division in autumn or early spring

Suggested planting locations and garden types Flower borders and beds Low Maintenance Banks and Slopes Underplanting of Roses and Shrubs Cottage & Informal Garden City & Courtyard Gardens Coastal

How to care

Pruning No pruning required

Pests May be attacked by aphids, vine weevil, slugs, leaf and bud eelworms and leaf-mining flies

Diseases May be subject to a leaf spot and grey mould

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