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Herbaceous Perennial

Viola 'Rebecca Cawthorne' (C)

A compact evergreen perennial, to around 15cm high, with oval-shaped dark green leaves. Fragrant white flowers brushed with rich purple at the edges are produced in spring, and sporadically in summer

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing or West–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)

Botanical details

Family: Violaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Clump forming
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: Unresolved

How to grow

Cultivation

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

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Garden edging
Underplanting of roses and shrubs

Pruning

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

Pests

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

Diseases

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

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