Periwinkle is native to North America, Europe, China and India. It is a semi woody evergreen perennial, and is known by three names: Vinca, Periwinkle (or Madagascar periwinkle), and Myrtle.
The plant is usually grown as an annual. It has a woody stem near the base and can get 2-3 ft (0.6-0.9 m) tall and spread out just as wide. It has long life span-20 yrs relative to most other plant species and a moderate growth rate.