Viola 'Ferndale' (dPVt)

RHS Plant Profile

Parma violet 'Ferndale'

Groves Nurseries

Herbaceous Perennial

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An evergreen perennial with glossy, toothed leaves forming a low mound and scented, double flowers borne in late winter and spring with ruffled white petals speckled with lilac-blue

Position

Full sun, Partial shade

Soil Types

Chalk, 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

Chalk Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or South–facing or West–facing
Exposure: 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): H4

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: 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

How to Grow

Cultivation

Grow in fertile, humus-rich, moist but well-drained soil in full sun or partial shade. In cold areas overwinter indoors or under glass

Propagation

Propagate by stem cuttings

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Patio and container plants
Flower borders and beds
Garden edging

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 and violet gall midge

Diseases

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