Vinca is grown as an annual. It will often return in following summers from self-sown seed. Annual vinca is not the same as the perennial periwinkles (Vinca minor or V. major) that are grown as groundcovers.

Which vinca are perennials?

Common NamesAnnual vinca, Madagascar periwinkle, rosy periwinkleSun ExposureFull sun, part shade

Do vincas grow back every year?

Despite being called annual vinca, it is a herbaceous perennial, though it only fairs well as a perennial in warmer climates. Because it is adapted to such warm climates, gardeners generally replant it from year to year.