It seems like every garden has a tricky dark corner where no grass will grow and perennials fizzle out. Enter periwinkle: This vigorous groundcover can easily tackle cover almost any space, blanketing ...

Variegated vinca goes by many names. Known as bigleaf periwinkle (Vinca major 'Variegata'), it's a variegated form of V. major, or greater periwinkle. These vinca vines have big leaves with a ...

In the field of medicine, many life-saving drugs have been developed from plants. In this category, few have been as successfully employed as the rosy periwinkle, Cathanthus roseus. Native to the ...