Vinca Plant. The flowers are deep violet, and this is an evergreen vine. All species have opposite leaves and single flowers.
The perennial periwinkle should not be confused with the bedding plant, madagascar periwinkle (catharanthus roseus). Plant vinca seedlings after the last frost date in your region. Divided into 3 groups these lists, linked below, are maintained by a team of rhs staff and are reviewed annually.
Problems appearing in Louisiana vincas LSU AgCenter
The flowers are deep violet, and this is an evergreen vine. Periwinkle (vinca minor) is an excellent evergreen groundcover with dark green foliage. Annual vinca plants bear single blooms with five petals that frequently touch or overlap from early summer until the first frost. Sun tolerant in cool northern zones.