• 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

Knautia macedonica

Macedonian scabious

  • Other common names Macedonian scabious

  • Synonyms Scabiosa rumelica

  • Family Caprifoliaceae

  • Genus Knautia can be annuals or perennials, and may have simple or pinnately lobed leaves and scabious-like flower-heads

  • Details K. macedonica is an herbaceous perennial to 75cm in height, with pinnately lobed basal leaves and simple or lobed stem leaves, with a succession of deep crimson flower-heads 3-4cm across, from mid-summer

  • Plant range C Europe

Characteristics

  • Foliage Deciduous

  • Habit Clump-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)

    H7

Colour

Sunlight

  • Full Sun

  • Aspect South-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Chalk

  • Chalk

    Sand

  • MoistureWell-drained

  • SoilLoam, Chalk, Sand

  • pHAlkaline, 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 Grow in a moderately fertile, well-drained, preferably alkaline soil in full sun

Propagation Propagate by seed in pots in a cold frame in spring or propagate by basal cuttings in spring

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

How to care

Pruning Old flower stems can be cut down after flowering

Pests May be attacked by aphids

Diseases Generally disease free

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