Viola labradorica ambig.

RHS Plant Profile

Labrador violet

RHS / Joanna Kossak

Herbaceous Perennial

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a low-growing, spreading perennial to 10cm high with evergreen, purple-tinged, heart-shaped leaves to 2.5cm across. Small, lavender-blue flowers are borne on short stems in spring

Position

Full shade, Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Chalk Loam Sand

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

Position

Full shade Full sun Partial shade

Aspect: South–facing or West–facing or North–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): H7

Colour & Scent

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: Correct

How to Grow

Cultivation

Grow in moist but well-drained soil; well-suited to woodland, banks or wild gardens where it spreads by self-seeding and creeping stems

Propagation

Propagate by seed

Suggested planting locations and garden types

Cottage and informal garden
Rock garden
Wildlife gardens
Low Maintenance
Banks and slopes
Flower borders and beds
Underplanting of roses and shrubs

Pruning

No pruning required. Deadhead to prolong flowering

Pests

May be susceptible to slugs, snails and violet gall midge

Diseases

May be susceptible to pansy leaf spot and powdery mildews