Catharanthus roseus, Madagascar Periwinkle or Rosy Periwinkle or Vinca is a member of the Apocynaceae family of plants with a very toxic sap. It has pink flowers with five petals only. The foliage is dark green and leathery. An evergreen herbaceous sub-shrub, it is native to Madagascar. The plant is popular in many gardens but it also is being used for medicinal purposes. While it was being researched for its anti-diabetic properties it was discovered that it contains alkaloids that are now being used in chemotherapy to treat several types of cancer including childhood leukemia. Plant it in full sun or partial shade in sandy loam well-drained soil. You can propagate by seed or cuttings. The sap very toxic if ingested. Catharanthus roseus does not withstand frost.
I am a flower enthusiast and a gardener at heart. Ever since childhood I loved reading about plants and started gardening at an early age. First by helping my father in the garden and later managing a large garden myself in my teen years. I planted and cared for a large number of plants, flowers, and trees both outdoors and in a greenhouse. To this day I enjoy visiting gardens and parks and learning about new and old specimens and varieties of plants.