Intermediate periwinkle (Vinca difformis)

Intermediate periwinkle

Intermediate periwinkle, or Vinca difformis, is a flowering evergreen perennial. It produces pale bluish to white flowers and is frequently cultivated for use as a ground cover. However, this plant spreads easily and can become invasive.

Scientific classification

Species

Intermediate periwinkle (Vinca difformis)

Gentians, dogbanes, madders, and allies

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Perennial

Lifespan

Shrub

Plant Type

Green, Blue

Leaf Color

4 cm

Flower Size

White, Blue, Purple, Red

Flower Color

Green, White, Blue

Stem Color

Evergreen

Leaf type

5 - 35 ℃

Ideal Temperature

Images of Intermediate periwinkle

Distribution of Intermediate periwinkle

Distribution Map

Intermediate periwinkle is native to parts of southwestern Europe and the western Mediterranean. It has been introduced and cultivated in regions including the British Isles. As a spreading perennial, it thrives in temperate zones and has adapted to various microclimates beyond its original range, often found in cultivated landscapes within these areas.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Understorey and margins of evergreen forest

Care Guide for Intermediate periwinkle

Every 2-3 weeks

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Water: Intermediate periwinkle thrives in Mediterranean-like environments with balanced dry and moist periods. It has moderate drought tolerance, prefers well-drained soil, and should be watered every 2-3 weeks, allowing slight drying between sessions. Typically grown outdoors, intermediate periwinkle benefits from adequate humidity levels.

Fertilize: Intermediate periwinkle benefits from bi-weekly balanced fertilizer during the growing season, diluted to half-strength. In winter, reduce to monthly feeding to support dormancy. Avoid over-fertilization to prevent root damage; a gentle approach enhances health without disrupting nutrient balance.

Pruning: Intermediate periwinkle features trailing growth and glossy evergreen leaves. Prune in late spring, after blooming, to shape the plant, remove overextended stems, and enhance air circulation. Regular pruning promotes blooming and maintains aesthetics. Refer to horticultural sources for tailored regional guidance.

Propagation: Intermediate periwinkle propagates best through cuttings from healthy, semi-woody stems. Retain a few leaves for photosynthesis while removing lower ones to prevent decay. Use a well-draining medium and maintain consistent moisture. Sterilize tools to avoid disease transmission for optimal rooting success.

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Images of Intermediate periwinkle

Distribution of Intermediate periwinkle

Care Guide for Intermediate periwinkle

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