Viola Sorbet Series (Va)

RHS Plant Profile
viola Sorbet Series

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viola Sorbet Series RHS
viola Sorbet Series RHS
viola Sorbet Series RHS
viola Sorbet Series RHS
Herbaceous Perennial
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A collection of mound-forming perennials growing to around 15cm tall and 30cm wide with small, toothed leaves. Fragrant flowers are borne on upright stems over a long season from autumn through until the spring. Depending on the mix of cultivars, they may include single, bi or tri-coloured flowers in varying shades of blue, purple, orange and yellow, with or without central dark or white markings and darker veins

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
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 & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Violaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Viola can be annuals, biennials or deciduous or evergreen perennials, with simple or pinnately lobed leaves and 5-petalled flowers of characteristic shape
Name Status
Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea

Violas are compact reliably perennial, clump-forming plants with a complex root system and rounded, more or less fragrant flowers, often with darker rays, over a long period in late spring and summer

How to Grow

Cultivation

Will grow in any moderately fertile soil apart from waterlogged soils in full sun or partial shade

Propagation

Propagate by stem-tip cuttings in spring or late summer

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Coastal
  • Rock garden
  • Flower borders and beds
  • Garden edging
  • Underplanting of roses and shrubs

Pruning

Deadhead to prolong flowering. Cut back after flowering in summer

Pests

May be susceptible to slugs, snails, aphids, glasshouse red spider mite and violet gall midge

Diseases

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