• 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

Chrysosplenium macrophyllum

giant golden saxifrage

  • Other common names giant golden saxifrage
    large-leaved chrysosplenium

  • Family Saxifragaceae

  • Genus Chrysosplenium are small, sometimes stoloniferous, shade-loving perennials with long-stalked, rounded or kidney-shaped leaves and small yellow, green, white, or purple flowers in terminal bracted clusters

  • Details C. macrophyllum is a low-growing, spreading, evergreen perennial to around 15cm. The primrose-like leaves are dark grey-green, flushed with dark, bronzy red, especially in cold weather. Clusters of greenish-white flowers with prominent pink-tipped stamens are produced in late winter and early spring

  • Plant range China

Characteristics

  • Foliage Evergreen

  • Habit Mat 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)

    H5

Colour

Sunlight

  • Full Shade

  • Partial Shade

  • Aspect North-facing or East-facing

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • Sand

    Sand

  • MoistureMoist but well-drained

  • SoilLoam, Sand

  • pHNeutral, Acid

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in fertile, moist but well-drained soil in a sheltered position in full or semi-shade

Propagation Propagate by division, or by separating rooted runners

Suggested planting locations and garden types Flower borders and beds Ground Cover Low Maintenance Underplanting of Roses and Shrubs Cottage & Informal Garden

How to care

Pruning No pruning needed

Pests Susceptible to slugs and snails

Diseases Generally trouble free

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