The most hardy ground cover plant is undoubtedly "Vinca minor", which is a perennial climbing vine that can grow up to six feet high. It will not only cover areas where it has been planted, but it will also spread outwards without any problems. It is also resistant to mold and disease and has bright green leaves with purple speckles that provide optimal light for photosynthesis. This plant can also grow up to 45 feet long or more, making it perfect for covering large areas quickly.