intermediate periwinkle
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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
Scientific classification
- Species
- intermediate periwinkle (Vinca difformis)
- Genus
- Vinca
- Family
- Apocynaceae
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- Toxicity
- Shrubs
- Plant type
- 0.1-0.5 metres
- Height
- 1-1.5 metres
- Spread
- Evergreen
- Foliage
- Matforming
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full shade · Full sun · Partial shade
- Sunlight
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- Ideal temperature
intermediate periwinkle pictures
Distribution of intermediate periwinkle
Distribution map
Northern Africa and Southwestern Europe
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Culture
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Toxicity
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Quick identification of intermediate periwinkle
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intermediate periwinkle care guide
- Moderate regular watering, allowing brief slight drying between soakings
- Watering
- Full shade · Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Moderate regular watering, allowing brief slight drying between soakings
Fertilizing
FertilizingBalanced perennial feed every four weeks from spring through summer
Pruning
PruningShorten last year's flowering stems to one or two buds from the older woody framework. Remove thin, weak and dead shoots. Prune in early to mid-spring as growth resumes; avoid winter pruning that exposes new shoots to frost.
Propagation
PropagationPropagate by division in spring or autumn and by semi-hardwood cuttings in summer
Growing
GrowingEasy to grow in all but the driest soils. Flowers best in full sun but very useful for shady areas. Can be invasive
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Common pests and diseases
Diseases
May be subject to a rust
Pests
Can get aphids
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