Raised Flower Beds
Is your soil not worthy of a flower bed or maybe you are on ledge and cannot dig but only 2" deep? Why not try Raised Flower Beds
Variegated Liriope - The most popular ground cover for landscape use in the South. The three most popular species grown in the Southeast are L. muscari (clumping), L. gigantea (giant) and L. spicata (spreading). - Getting the Most From Your Liriope Ground Cover eNewsletter
Dragon's blood sedum may be the hardiest and most versatile of all weed-suppressing ground covers. A cultivar of the succulent Sedum spurium, Dragon's blood ('Schorbuser Blut') is hardy in Zones 3-8. Not only does it grow in full sun as well as partial shade, but it also thrives in poor soil.