80-90 Days to maturity. Vicia faba. Organic Broad Windsor Fava Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, bush, shell, fava bean. Broad Windsor fava bean seeds grow one of the most beneficial heirloom cover crops available to the home gardener. Popularly sown in the fall as a cool-hardy cover crop, Broad Windsor fava bean is an heirloom legume grown to restore nitrogen to poor and depleted soils. Windsor Broad fava bean is an open-pollinated annual grown just as commonly for its restorative properties as it is a fruiting crop harvested for its world-famous creamy and nutty fava beans. ~15 seeds/oz.