The Trailing Twinspur (Diascia hybrid) needs sun, but does well in light shade. It is a member of the Snapdragon family. These produce flowers in early spring and continue to produce through the fall. They are very hardy and have a strong ability to withstand frosts. They are a great addition to a window box or as ground cover in your landscaping.
The Maiden's Blush fuchsia (Fuchsia magellanica var. molinae) is another hardy cascading plant. It can grow to be around 3 feet tall and has drooping branches that bloom with many small, tubular flowers. They grow well in U.S. Department of Agriculture zones 6 to 10. If you wish to add a tropical feel to your garden, this plant makes a striking addition. Partial shade is best for the Maiden's Blush fuchsia.
Creeping phlox (Phlox stolonifera) is a carpetlike ground cover that does well in full shade. Small, delicate flowers blossom during the spring. Phlox does well in USDA zones 3 to 9. It has a spread of 2 feet and will cascade over a driveway or walkway. It has a waterfall-like effect if planted on a slope.
Lamium maculatum "White Nancy" is a low-growing ground cover. They are silvery-white with green edges and have white blossoms. The plant spreads up to 3 feet and grows to be between 6 and 12 inches. The White Nancy grows quickly and does well in partial to full shade.