• AGM plants

    AGM plants have been through a rigourous 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

Ramonda myconi

Pyrenean violet

AGM plants

AGM plants have been through a rigourous 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
Pyrenean violet

© � RHS 2002

  • Other common names Pyrenean violet
    Rosette mullein

  • Synonyms Ramonda pyrenaica

  • Genus Ramonda are evergreen perennials forming rosettes of crinkled, hairy leaves, with solitary or clustered flowers in late spring and early summer

  • Family Gesneriaceae / Gesneriaceae

  • Species R. myconi is an evergreen perennial to 10cm in height, forming a rosette of broadly ovate, hairy, dark green leaves. Flowers 2.5cm in width, with five rounded violet-blue petals and yellow anthers, in clusters on leafless stems

  • Plant range Pyrenees

Characteristics

  • Foliage Evergreen

  • 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)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H5

Colour

Sunlight

  • Partial Shade

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

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Chalk

  • Chalk

    Sand

  • MoistureMoist but well-drained

  • SoilLoam, Chalk, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    Up to 10 cm

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in moderately fertile, humus-rich, moist but well-drained soil in partial shade. Plants grow best on their sides to avoid accumulations of moisture in the rosettes, which may cause rotting in winter

Propagation Propagate by seed or root leaf cuttings in early autumn

Suggested planting locations and garden types Patio & Container Plants Rock Garden

How to care

Pruning No pruning required

Pests Slugs and snails may be a problem

Diseases Generally disease free

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