• 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

Gaura lindheimeri Karalee White = 'Nugauwhite' (PBR)

  • Synonyms Gaura 'Nugauwhite'

  • Family Onagraceae

  • Genus Gaura can be annuals, perennials and sub-shrubs, with simple, narrow, or pinnately lobed leaves and lax panicles of small starry flowers over a long period

  • Details Karalee white is a compact, upright, clump-forming perennial to around 60cm tall with mid-green, lance-shaped leaves. White flowers to 2.5cm across open from pink buds and are borne on the slender, branching stems from late spring into autumn

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)

    H4

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Exposed or Sheltered

Soil

  • Sand

    Sand

  • Loam

    Loam

  • Chalk

    Chalk

  • MoistureMoist but well-drained, Well-drained

  • SoilSand, Loam, Chalk

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Best grown in fertile, moist but well-drained soil in full sun though well-drained soil and partial shade is tolerated. Plants have a tendency to be short-lived

Propagation Propagate by basal cuttings or softwood cuttings in spring or semi-ripe cuttings in summer

Suggested planting locations and garden types Flower borders and beds Cottage & Informal Garden Prairie Planting City & Courtyard Gardens Patio & Container Plants

How to care

Pruning Remove spent flowering stalks. Cut back plants in early spring

Pests Generally pest free

Diseases Generally disease free

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