How to Grow Periwinkle — Vinca
Vinca–commonly called periwinkle–are slender stemmed evergreen subshrubs and perennials that bear lavender blue, five-petaled, pinwheel-shaped flowers above shiny dark green oval leaves. Vinca is a useful ground cover for a woodland garden, shrub border, or shady bank. There are two commonly grown species, Vinca major and Vinca minor. Vinca minor has smaller leaves and flowers…
