Mayo Speckled Cowpea is a striking Colima-type cowpea from Los Capomos, Sinaloa, distinguished by its pinto bean mottling over light chocolate-colored seeds. Often called the pinto bean of cowpeas, this heirloom variety brings the visual drama and culinary reliability of pinto beans into the warm-season legume garden. Vigorous and productive, it delivers both ornamental appeal and substantial harvests of dried beans suited to storage and cooking.
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The speckled pattern across these chocolate-toned seeds gives Mayo Speckled its distinctive character; it's essentially a cowpea that looks and cooks like a pinto bean. Originating from Sinaloa's agricultural heartland, this Colima variety represents generations of selection for seed color and performance in hot-season growing. The combination of visual interest and practical yield makes it equally compelling for gardeners focused on beautiful seed saving and those pursuing food security through home-grown dried legumes.
Mayo Speckled Cowpea is grown primarily for its dried beans, which store exceptionally well and serve as a staple in Mexican and Southwestern cuisines. The beans are cooked as a main dish, refried, or added to soups and stews where their creamy texture and earthy flavor complement chiles, garlic, and cumin. Some gardeners also harvest immature pods as a fresh vegetable, though the variety is most prized for mature seed production and long-term storage.
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Direct sow Mayo Speckled Cowpea seeds outdoors after all danger of frost has passed and soil has warmed to at least 60°F. Plant seeds 1 inch deep, spacing them 4 to 6 inches apart in rows 18 to 24 inches apart. Sowing can continue through mid-summer in warm climates to stagger harvests.
Allow pods to mature fully on the plant until they dry and turn brown or tan, signaling that seeds have hardened. Pods are ready to harvest when they rattle with dry seeds inside and the pod itself is papery and brittle. Pick or cut pods from the plant, lay them in a dry location with good air circulation for 1 to 2 weeks to cure completely, then shell by hand or by rubbing dried pods between your palms. Store cleaned, fully dry seeds in airtight containers in a cool, dark location.
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“This variety emerged from Los Capomos in Sinaloa, Mexico, where cowpea cultivation has deep roots in regional agriculture. The Mayo Speckled was preserved and documented through Native Seeds/SEARCH's Seed Bank Collection, an organization dedicated to maintaining rare and heirloom crops from the Southwest and Mexico. By collecting and distributing this variety, the seed bank ensured that farmers and gardeners outside its native region could access this specific expression of Colima-type cowpea genetics, preventing its loss to industrial monoculture.”