Viola 'John Raddenbury' (Vt) | violet 'John Raddenbury'

Synonyms

Viola odorata 'John Raddenbury'

Herbaceous Perennial

Buy this from Plant Nurseries
1 Suppliers

A low-growing, semi-evergreen perennial to about 15cm, forming a mat of dark green, heart-shaped leaves. Produces small, lightly scented, light blue-purple flowers in late winter and early spring

Position

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: Alkaline or Neutral

Position

Partial shade

Aspect: South–facing or West–facing or East–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): H6

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Violaceae
Native to GB/Ireland: No
Foliage: Semi 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: Unresolved
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: Violets are stoloniferous perennials with small, highly fragrant, self-coloured purple, blue or white flowers in late winter and early spring

How to Grow

Cultivation

Grow in fertile, humus-rich, moist but well-drained, neutral to alkaline soil. Ideally choose a position with winter sun and summer shade, such as under deciduous trees, shrubs or hedges

Propagation

Propagate by stem cuttings in spring or late summer, or by division in spring or autumn

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Flower borders and beds
Underplanting of roses and shrubs
Cut flowers

Pruning

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

Pests

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

Diseases

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