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Herbaceous Perennial

Viola 'Molly Sanderson' (Va)
  • RHS AGM

viola 'Molly Sanderson'

'Molly Sanderson' is a spreading evergreen perennial to 12cm in height, with ovate leaves and black flowers 2.5 cm in width, with a small yellow eye

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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Black Yellow Green
Autumn Black Yellow Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Violaceae
Native to the UK
No
Foliage
Evergreen
Habit
Matforming
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
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

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

Propagation

Propagate by seed sown in late winter or early spring

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Flower borders and beds
  • Banks and slopes
  • Ground cover
Pruning

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

Pests

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

Diseases

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

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