From October 17th to October 26th you can direct sow these fall vegetables in our northern Virginia Piedmont region.
Cover Crops: Plant winter cover crops (“green manure”) to enrich and protect the soil. Winter cover crops include rye, wheat, hairy vetch, fava beans, and Austrian winter peas.
Source: Annual Vegetable Gardening Calendar, Virginia Cooperative Extension Prince William
Recommended Planting Dates, Virginia Piedmont Region