• 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

Clarkia amoena

farewell to Spring

© Dorling Kindersley 2003
  • Other common names farewell to Spring
    godetia

    satin flower

    see more
  • Synonyms Godetia grandiflora
    Clarkia grandiflora

  • Family Onagraceae

  • Genus Clarkia are slender annuals with simple leaves and showy funnel-shaped or bowl-shaped flowers in lax racemes in summer

  • Details C. amoena is an upright annual to 75cm, with lance-shaped leaves and leafy racemes of lilac or pink, sometimes white-centred, single or double flowers in summer

  • Plant range Coastal N Calif.

Characteristics

  • Foliage Deciduous

  • Habit Columnar/Upright

  • 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)

    H6

Colour

Sunlight

  • Partial Shade

  • Full Sun

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

  • Exposure Exposed

Soil

  • Sand

    Sand

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Loam

  • pHAcid

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 1-2 years

How to grow

Cultivation Grow in poor to moderately fertile, slightly acid, moist but well-drained soil in full sun or partial shade; avoid hot humid conditions. The photo shows Little Frills mixture

Propagation Propagate by seed sown in-situ in early spring or autumn

Suggested planting locations and garden types Cut Flowers Flower borders and beds Cottage & Informal Garden

How to care

Pruning Cut back after flowering

Pests Generally pest free

Diseases Susceptible to foot rot and stem rot

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