Field Peas: A Regional Name for Two Different Legumes
"Field pea" does not name a single crop; it names two different legumes depending on where you're cooking. In North American and European agriculture, the field pea (Pisum sativum var. arvense) is a dry, mature pea grown for split peas, soups, and animal feed, distinct from the sweet, fresh garden pea or English pea that is picked young. In the Southern United States, however, "field pea" is a common name for cowpea (Vigna unguiculata), a different plant species entirely that includes black-eyed peas, crowder peas, and cream peas; despite the shared name, these are more closely related to beans than to garden peas.
Pisum sativum, the species behind both the dry field pea and the garden pea, is believed to have originated in the Middle East and has been cultivated for thousands of years. The Southern cowpea-type field pea, by contrast, has West African origins and reached the Americas through the transatlantic slave trade, becoming a staple of Southern U.S. cooking.
Culinary uses differ depending on which "field pea" is meant. In traditional Southern U.S. cuisine, field peas (cowpeas) are often cooked with ham, onions, and seasonings in dishes like "field peas and cornbread." The dry Pisum sativum field pea, meanwhile, shows up in soups, dals, and rice dishes across Indian cuisine and the Mediterranean region.
The flavor profile of field peas, of either type, is often described as earthy and mildly sweet, with a tender, creamy texture once cooked. They pair well with herbs and spices such as thyme, rosemary, cumin, and chili peppers, as well as with other vegetables, grains, and proteins.
Both types of field pea are valued nutritionally, offering a good source of protein, fiber, and vitamins and minerals such as folate, iron, and potassium, which makes them a popular meat alternative in vegetarian and vegan dishes.
Overall, "field pea" is best treated as a regional label rather than a single ingredient: check the dish or the recipe's origin to know whether it means a dry Pisum sativum pea or a Southern cowpea.