Periwinkle, or Vinca minor, is a resilient, low-maintenance and versatile plant that thrives in both sun or shade. Wherever ...

It’s blanketing a large swath of the creek. “Periwinkle is a common landscape ground cover,” she says. “It’s attractive to some people. I think it’s a green menace.” Periwinkle ...

In this category, few have been as successfully employed as the rosy periwinkle, Cathanthus roseus. Native to the island nation of Madgascar off the southeastern coast of Africa, the rosy ...