• 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 'Königin Charlotte' (Vt)

violet 'Königin Charlotte'

© Claire Austin Hardy Plants
  • Other common names violet 'Königin Charlotte'

  • Synonyms Viola odorata 'Konigen'
    Viola odorata 'Königin Charlotte'

    Viola

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  • 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 'Königin Charlotte' (Vt) is an evergreen perennial forming mounds of shiny, deep-green rounded to heart-shaped leaves with sweetly-scented, large deep-purple flowers borne in late winter or early spring

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)

    H6

Colour

Sunlight

  • Partial Shade

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Clay

    Clay

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • 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 Grow in fertile, humus-rich, moist but well-drained soil in full sun or partial shade

Propagation Propagate by stem cuttings in spring or late summer

Suggested planting locations and garden types Flower borders and beds Garden Edging Ground Cover City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants Coastal

How to care

Pruning Deadhead to prolong flowering. After flowering cut back vigorous plants to keep compact

Pests May be damaged by slugs, snails, aphids, glasshouse red spider mite, violet leaf gall midge

Diseases May be subject to powdery mildews, pansy leaf spot, a virus and a rust

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