Vinca difformis
intermediate periwinkle
a vigorous, prostrate evergreen sub-shrub with rooting stems bearing ovate, evergreen leaves, and short upright leafy stems with pale whitish-blue flowers 4cm across, in late winter and early spring
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
5–10 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drained, Poorly–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue White | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Blue White | Green |
Position
- Full shade
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H4Botanical details
- Family
- Apocynaceae
- Native to the UK
- 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
Correct
- Plant range
- N Africa & SW Europe
How to grow
Cultivation
Easy to grow in all but the driest soils. Flowers best in full sun but very useful for shady areas. Can be invasive
Propagation
Propagate by division in spring or autumn and by semi-hardwood cuttings in summer
Suggested planting locations and garden types
- Rock garden
- Ground cover
Pruning
Pests
May be susceptible to aphids
Diseases
May be susceptible to a rust
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