Periwinkle, large and small

Vinca minor, Vinca major

WA monitor Apocynaceae
Data Maturity Baseline

Washington State Classification

Monitor List

This plant is on the monitor list - it is not a listed noxious weed in Washington.

Quick Reference

Type
perennial herb
Origin
Europe

Identification

Growth Habit

Periwinkle is a trailing, evergreen groundcover with dark green opposite leaves.

Leaves

Stereotypically shaped leaves that are deep green, though are occasionally varigated with a much ligheter outside third. The edges are very lightly hairy.

Flowers

5 broad, bright blue-purple petals whirl out from a lighter center. Occasionally flowers have no pigment and are all white. These flowers are smaller than large periwinkle flowers, as at their largest, they only get to just over an inch wide

Fruit & Seeds

Long ovals with a deep, darker curling fissure running down one side

Impact

This plant is on the monitor list - it is not a listed noxious weed in Washington. Please contact Andrew Will to report locations of where plants are found growing outside of ornamental plantings.

Ecology & Spread

Habitat

It does better in partial shade, though can survive in full sun or full sun. It can easily escape garden and ornamental plantings

Spread Mechanisms

seed vegetative fragments

Reproduction

Seed and vegetatively

Regional Notes — Puget Sound

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Control Methods

Mechanical