Periwinkle

Genus: Vinca

Species: minor

Description: Trailing groundcover with glossy, evergreen leaves. Blue, lilac or white spring flowers look like stars.

Where it grows: Grows in shady areas of second-growth forests.

How it spreads: Only spreads vegetativley and remains close to the original site of planting.

What it threatens: Crowds out all native herbaceous vegetation.

More informationl: Nature Conservancy website

Disclaimer - Clean Water Services does not endorse or recommend specific herbicides for use in controlling these species. To protect water quality, always follow herbicide label directions and obey application laws when using any herbicide.