• 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

Viola riviniana

common dog violet

  • Other common names common dog violet
    dog violet

    wood violet

    see more
  • Family Violaceae

  • Genus Viola can be annuals, biennials or deciduous or evergreen perennials, with simple or pinnately lobed leaves and 5-petalled flowers of characteristic shape

  • Details V. riviniana is a mat-forming rhizomatous perennial with ovate, heart-shaped leaves and violet flowers with a pale spur, in late spring and early summer

  • Plant range Europe, N. Africa

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)

    H7

Colour

Sunlight

  • Full Shade

  • Partial Shade

  • Full Sun

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

  • Exposure Exposed or Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureMoist but well-drained, Well-drained

  • SoilSand, Chalk, Loam

  • pHAcid, 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 Excellent for wild or woodland garden. Grow in moist but well-drained soil

Propagation Propagate by seed

Suggested planting locations and garden types Low Maintenance Flower borders and beds Underplanting of Roses and Shrubs Wildlife Gardens Wildflower meadow Cottage & Informal Garden

How to care

Pruning Deadhead to prolong flowering

Pests May be attacked by slugs, snails, glasshouse red spider mite and violet gall midge

Diseases May be affected by pansy leaf spot and powdery mildews

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