A frenulum (or frenum) is a small fold of tissue that prevents an organ in the body from moving too far.
Cover crops usually are grown to prevent soil loss from wind and water erosion. Use fast-growing cover crops, such as winter wheat or annual rye, on fall-spaded gardens. A second, and probably more important reason home gardeners should use cover crops is to improve soil structure and increase organic matter.
How to Care for Red Apple Ground Cover. The red apple ground cover (Aptenia cordifolia) is a creeping, mat-forming perennial also known as the baby sun rose. Originally from South Africa, this charming succulent now thrives in the warm-weather climates of U.S. Department of Agriculture plant hardiness zones 10 and 11.