Vinca or Periwinkle is a prolific heat and drought tolerant annual, perfect for hot, dry areas. It's easy to grow and requires little or no attention. This plant is known by three names: Vinca, Periwinkle (or Madagascar Periwinkle), The plants are grown for its attractive glossy, green foliage, as well as its flowers. Flowers bloom all summer and up to frost. Common colours include white, rose, pink and red. Vinca is commonly used for borders, edging and ground cover or bedding plants. Plants grow 1-2 feet tall. Abundant of blossom with low maintenance and easy to care nature, Vinca (Catharanthus Roseus) could be an excellent selection if you are an enthusiastic Gardner with good taste. They are treasured with crisp flowers and glossy green foliage. Their leaves are of oval to oblong shape and are glossy green coloured.