• 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

Dianthus amurensis 'Siberian Blue' (p)

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  • Synonyms Dianthus 'Siberian Blues'

  • Family Caryophyllaceae

  • Genus Dianthus can be annuals, evergreen perennials or subshrubs with narrow, often greyish leaves and showy flowers that are frequently fragrant

  • Horticultural Group Pinks are hardy, evergreen perennials which make compact mounds or mats of usually greyish leaves, with up to six, usually fragrant, single or double, medium-sized flowers per stem in early and mid-summer

  • Details A compact, evergreen perennial to around 40cm tall with linear green leaves and lavender-blue flowers with fringed petals in summer

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)

    H5

Colour

Sunlight

  • Full Sun

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

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Chalk

  • Loam

    Loam

  • Sand

    Sand

  • MoistureWell-drained

  • SoilChalk, Loam, Sand

  • pHAlkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in a well-drained, neutral to alkaline soil in full sun

Propagation Propagate by softwood cuttings

Suggested planting locations and garden types Flower borders and beds Low Maintenance City & Courtyard Gardens Cottage & Informal Garden

How to care

Pruning No pruning required. Deadhead regularly to prolong flowering

Pests May be susceptible to slugs and aphids

Diseases May be susceptible to a rust, a virus and wilt

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