• 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

Begonia 'Silver Spirit' (R)

begonia 'Silver Spirit'

begonia 'Silver Spirit'

© RHS

  • Other common names begonia 'Silver Spirit'

  • Family Begoniaceae

  • Genus Begonia can be annuals, evergreen or deciduous perennials or shrubs, with fibrous, tuberous or rhizomatous roots and usually asymmetrical leaves, often strikingly patterned, and small or large flowers, both male and female in the same cluster

  • Horticultural Group Rex begonias are evergreen, rhizomatous perennials grown for their handsome, brightly coloured leaves, rather than the small pale pink or white flowers which may appear in spring, summer or autumn

  • Details 'Silver Spirit' is a bushy plant, to 60cm tall, with large, evergreen leaves that can exceed 30cm in length. The predominantly silvery leaves have dark edges and veins and a dark red-purple and pink central star

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • 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)

    H1B

Colour

Sunlight

  • Partial Shade

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

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • MoistureWell-drained

  • SoilLoam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow under glass, in indirect light, or in frost-free environment. Avoid wetting the leaves. For further information see begonia cultivation - houseplants

Propagation Cultivars should be propagated by leaf cuttings or sections of rhizome in spring

Suggested planting locations and garden types Patio & Container Plants Sub-tropical

How to care

Pruning No pruning required but remove dead or damaged leaves

Pests May be susceptible to the usual glasshouse pests, including glasshouse whitefly

Diseases May be infected by powdery mildews and grey moulds

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