White periwinkle. More than 30 varieties of this plant exist, some with variegated foliage and other colours of blooms. The periwinkle plant takes its common name from the attractive blooms that dot the foliage in April to May, appearing in the colour of periwinkle blue.  Periwinkle is most often grown as a ground cover.

Stock photo: White periwinkle. More than 30 varieties of this plant exist, some with variegated foliage and other colours of blooms. The periwinkle plant takes its common name from the attractive blooms that dot the foliage in April to May, appearing in the colour of periwinkle blue.  Periwinkle is most often grown as a ground cover. was taken by rajaramm .