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.
We found quite a diversity of flowering plants on the 10 farms. Below are tables for each of the groups we studied (herbs, cut flowers and ornamentals, wildflowers and weeds, cover crops and ground covers, and vegetables gone to seed, based on our observation data.