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.
Some gardeners find it's easiest to start fall crops indoors under lights or in a greenhouse. 3. Sow the Right Crops. Plants that thrive in cool weather include: lettuce, spinach and arugula, carrots, beets, broccoli, Swiss chard, kale and all kinds of Asian greens. Choose disease-resistant varieties that mature quickly.