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Cow vetch, scientifically known as Vicia cracca, is a perennial plant that belongs to the pea family. The plants possess climbing or trailing purple flowers that grow over time. Other varieties include different colours like pink or white flowers. When buying healthy Cow vetch seedlings, check for robust stems and roots. Also ensure the young plants match the planting site's sunlight and soil needs before selecting.

Cow Vetch (Vicia cracca) and Hairy Vetch (Vicia villosa) are both types of vetch, but they have differences. Cow Vetch, also known as Tufted Vetch, has bluish-purple flowers and tendrils that help it climb. However, Hairy Vetch gets its name from its hairy stems and leaves, and it usually has pinkish-purple flowers. Also, Hairy Vetch is frequently used as a cover crop because it can add nitrogen to the soil, while Cow Vetch is more often found growing wild in uncultivated places.