• 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 Rockin' Red = 'Pas1141436' (p,a)

sweet william [Rockin' Red]

  • Other common names sweet william [Rockin' Red]

  • Synonyms Dianthus 'Pas1141436'

  • Family Caryophyllaceae

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

  • Details [Rockin' Red] is a bushy, short-lived perennial to 60cm tall that is often grown as an annual or biennial. Leaves are dark green and narrowly lance-shaped; lightly fragrant, dark red flowers with fringed petals are borne in dense clusters from late spring into 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)

    H7

Colour

Sunlight

  • Full Sun

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

  • Exposure Exposed or Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Chalk, Loam

  • 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 well-drained neutral to slightly acid soil in full sun

Propagation Propagate by seed

Suggested planting locations and garden types Flower borders and beds Garden Edging Cottage & Informal Garden Patio & Container Plants

How to care

Pruning Deadhead as required

Pests Can get aphids, slugs and caterpillars

Diseases May be affected by Fusarium wilt

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