• 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 odorata (Vt)

sweet violet

  • Other common names sweet violet
    English violet

    florist's violet
    garden violet
    March violet
    sweet pansy

    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

  • Horticultural Group Violets are stoloniferous perennials with small, highly fragrant, self-coloured purple, blue or white flowers in late winter and early spring

  • Details V. odorata is a rhizomatous perennial forming a loose mat of heart-shaped leaves with fragrant violet or white flowers 2cm across in late winter and early spring

  • Plant range Europe

Characteristics

  • Foliage Evergreen

  • Habit Mat forming

  • Fragrance Flower

  • 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)

    H6

Colour

Sunlight

  • Partial Shade

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Clay

    Clay

  • Loam

    Loam

  • Sand

    Sand

  • Chalk

    Chalk

  • MoistureWell-drained, Moist but well-drained

  • SoilClay, Loam, Sand, Chalk

  • pHAlkaline, Neutral, Acid

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 or division

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

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

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.