Falcata Yellow Blossom Alfalfa, or Medicago Falcata, is a subspecies of alfalfa that displays some key differences from the much more common purple flowered alfalfas used for hay production. Falcata should be used almost exclusively in mixtures with grass and in rangeland interseeding projects. It is extremely drought and winter hardy and can persist on rangeland by going dormant during challenging conditions. It has more of a creeping or fibrous root system than purple flowered alfalfas, which allows it to spread by root to some extent. Falcata alfalfa will also have less risk of bloat in a grazing application and responds well to grazing pressure. Seed size of Falcata alfalfas is much smaller than purple flowered alfalfas, so using a small amount in a blend or for interseeding is sufficient.