Add some green to your garden with these Alfalfa Cover Crop Seeds. These NON-GMO, fast-growing seeds are perfect for outdoor cultivation in warm or cool seasons. The perennial Medicago sativa. plant grows up to 3 feet tall and produces beautiful green leaves that can be harvested for use in herbal medicine or as a decorative element in your garden. The seeds are easy to cultivate with medium watering and full sunlight exposure. These heirloom seeds are from the United States and are perfect for winter, summer, fall, or spring. Use them to add some color and life to your garden.