• 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

Saxifraga 'Primuloides' (umbrosa) (11)

London pride 'Primuloides'

London pride 'Primuloides'

© � RHS

  • Other common names London pride 'Primuloides'

  • Genus Saxifraga can be annuals, biennials, evergreen or herbaceous perennials, mostly mat-forming in habit, with simple or palmately lobed leaves and starry or rounded flowers which may be solitary of in panicles or cymes

  • Family Saxifragaceae / Saxifragaceae

  • Species 'Primuloides' is a mat-forming evergreen perennial with rosettes of spoon-shaped dark green, scalloped leaves and erect stems to 20cm tall, with panicles of starry white flowers, spotted with red, in summer

  • Horticultural Group Gymnopera section saxifrages are perennials forming rosettes of evergreen leaves, with leafless stems bearing panicles of small, 5-petalled flowers

Characteristics

  • Foliage Evergreen

  • Habit Mat forming

Colour

Sunlight

  • Partial Shade

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

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Loam

  • Chalk

    Chalk

  • MoistureMoist but well-drained

  • SoilSand, Loam, Chalk

  • pHAcid, Neutral, Alkaline

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 Easy to grow in any type of soil or situation but ideal for deep or partial shade

Propagation Pot up the offsets in spring; cultivars will not come true from seed

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

How to care

Pruning No pruning required

Pests Glasshouse red spider mite, aphids, vine weevil, slugs and snails may be a problem

Diseases Generally trouble free

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