A frenulum (or frenum) is a small fold of tissue that prevents an organ in the body from moving too far.
Others, such as buckwheat, are very frost-tender. The cover crops listed here are widely adapted and can be grown in most areas of the United States, either as a summer or winter cover crop, depending on where you live. Rye This crop comes in two different types: annual rye and cereal rye. Both have their advantages.
It will also grow in soil, however, and is commonly used as a ground cover in place of grass. Dicranum thrives in the shade. It is a rich medium green and requires little care once established. Moss Acres: Types of Moss.