• 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

Lychnis viscaria 'Splendens Plena' (d)

German catchfly 'Splendens Plena'

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
German catchfly 'Splendens Plena'

© www.gardenworldimages.com

  • Other common names German catchfly 'Splendens Plena'

  • Family Caryophyllaceae

  • Genus Lychnis can be biennials or perennials, with simple leaves and tubular, salver-shaped or star-shaped flowers in terminal clusters

  • Details 'Splendens Plena' is a compact tufted perennial to 45cm in height, with sticky stems bearing narrow, dark green leaves, and double, bright magenta-pink flowers 2cm in width in narrow panicles in early and mid summer

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)

    H5

Colour

Sunlight

  • Partial Shade

  • Full Shade

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

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • Clay

    Clay

  • MoistureWell-drained, Moist but well-drained

  • SoilLoam, Clay

  • pHAcid, 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 moist, fertile slightly acidic soil in sun or partial shade

Propagation Propagate by division or basal cuttings in early spring

Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden Wildflower meadow Wildlife Gardens

How to care

Pruning Deadhead to prolong flowering then cut down in the autumn

Pests May be attacked by aphids and slugs

Diseases Generally disease free

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