• 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

Asperula arcadiensis

Arcadian woodruff

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
Arcadian woodruff

© RHS 1998

  • Other common names Arcadian woodruff

  • Synonyms Asperula suberosa misapplied

  • Family Rubiaceae

  • Genus Asperula can be annuals, evergreen or deciduous perennials, with small, paired or whorled leaves and terminal clusters of small, funnel-shaped flowers in spring or summer

  • Details A. arcadiensis is an evergreen perennial forming a compact cushion of whorled, hairy, greyish leaves. Small tubular pale pink flowers have narrow, spreading or recurved lobes

  • Plant range Greece

Characteristics

  • Foliage Evergreen

  • Habit Mat 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)

    H3

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Exposed or Sheltered

Soil

  • Sand

    Sand

  • Loam

    Loam

  • Chalk

    Chalk

  • Clay

    Clay

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Loam, Chalk, Clay

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height Up to 10 cm

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow In any moderately fertile soil in sun or partial shade

Propagation Propagate by seed or division

Suggested planting locations and garden types Garden Edging City & Courtyard Gardens Cottage & Informal Garden Gravel Garden Patio & Container Plants Rock Garden

How to care

Pruning No pruning required

Pests Generally pest free

Diseases Generally disease free

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