Ocean Spray signs deal with Farmers Market at Rockefeller Center Rockefeller Center will once again be the midtown home of its famous New York City Greenmarket. The Rockefeller Center Farmers Market, sponsored by Ocean Spray, will be open Wednesday-Friday July 27th – September 2nd, at Rockefeller Center Plaza, 50th Street between 5th & 6th Avenues, Manhattan. Each week, the Plaza will be brimming with fresh fruits and vegetables, flowers and baked goods, all from regional farmers. The weekly market is free and open to the public. Greenmarket is a Program of the Council on the Environment of NYC. The Rockefeller Center market location is sponsored by Ocean Spray.