• 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 ferdinandi-coburgi (7)

Ferdinand saxifrage

Ferdinand saxifrage

© � RHS 2003

  • Other common names Ferdinand saxifrage

  • 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 S. ferdinandi-coburgi is a dense cushion-forming evergreen perennial to 10cm in height, with encrusted grey leaves and reddish stems bearing 1-3 bright yellow flowers opening from red buds

  • Plant range Balkans

  • Horticultural Group Porphyrion section saxifrages are compact, cushion or mat-forming evergreen perennials with small, usually lime-encrusted leaves, and 5-petalled white, yellow or pink flowers in early summer

Characteristics

  • Foliage Evergreen

  • Habit Mat forming

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Chalk

  • Chalk

    Sand

  • MoistureMoist but well-drained

  • SoilLoam, Chalk, Sand

  • pHAlkaline, Neutral

Size

  • Ultimate height

    Up to 10 cm

  • Ultimate spread

    0-0.1 metre

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Suitable for rock garden or trough in full sun or partial shade. Keep roots moist

Propagation Propagate by seed or detach individual rosettes and root as cuttings

Suggested planting locations and garden types Gravel Garden Patio & Container Plants Rock Garden

How to care

Pruning No pruning required

Pests May be attacked by aphids, slugs, vine weevil and glasshouse red spider mite

Diseases Generally disease free

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