Vinca difformis 'Jenny Pym'

RHS Plant Profile
intermediate periwinkle 'Jenny Pym'

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intermediate periwinkle 'Jenny Pym' John Fielding

Synonyms

Vinca difformis subsp. bicolor 'Jenny Pym'

Shrubs
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A mat-forming, evergreen shrub to 30cm tall, with lance-shaped, glossy, dark green leaves to 7cm long. In late winter and early spring, upright shoots bear white-edged, lilac-pink flowers to 4cm across

Position

Full shade, Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
2–5 years
Max Spread
1-1.5 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 shade Full sun Partial shade
Aspect
East–facing or North–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

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Apocynaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus
Vinca can be evergreen subshrubs or herbaceous perennials, with simple, paired leaves and solitary, 5-lobed, salver-shaped flowers in the leaf axils
Name Status
Accepted

How to Grow

Cultivation

Grow in any but very dry soil, in full sun (for best flowering) to partial shade

Propagation

Propagate by division or semi-ripe cuttings

Suggested planting locations and garden types

  • Cottage and informal garden
  • Patio and container plants
  • Banks and slopes
  • Flower borders and beds
  • Ground cover
  • Underplanting of roses and shrubs

Pruning

To restrict growth, cut back hard in early spring

Pests

Generally pest-free

Diseases

May be susceptible to rust diseases