Plant scientists have taken the crucial last steps in a 60-year quest to unravel the complex chemistry of Madagascar periwinkle in a breakthrough that opens up the potential for rapid synthesis of ... Goldsmith Seeds, Inc. discovered and characterized the genetic resistance to aerial Phytophthora in their annual Vinca/Periwinkle breeding germplasm nearly two decades ago.

Understanding the Context

They obtained a utility patent on the trait and used it as the foundation for their annual Vinca/Periwinkle breeding program. Periwinkle or creeping mrytle (Vinca minor) is one of the few groundcovers that can tolerate full sun to full shade. However, periwinkle selections can have flowers that range from white, blue to p... Vinca Species, Common Periwinkle, Creeping Myrtle, Flower-of-Death, Lesser Periwinkle Vinca minor 2 vendors has this plant for sale Upload Image Print Version View Gallery 37 photos Was considering a variety of different plants for attempting a hard to grow garden in the shade.

Key Insights

The area is zone 6, with dry, rocky hard soil, and a lot of shade from large trees (pine, maple, etc.) upstate, NY area. -Will plants that are considered invasive, periwinkle for ground cover or sweet pea perennial vine on a back fence, present a problem by spreading all over? Am I asking for ... The good old green periwinkle, classic Vinca minor, offers me an example of how site conditions can drastically alter thuggishness. Periwinkle exists in two distinct places in my garden.

Final Thoughts

One is near my mailbox, surrounding and heavily shaded by a huge sycamore. Perwinkle filled the area fast and is bounded by lawn, pavement, and a thick hedge. If last summer's heat and drought wilted your pansies, consider planting Madagascar periwinkle this year. For sunny sites with dry soil, few flowers can beat this heat-loving beauty. In tropical or ...