Seasons 52, Darden Restaurants’ 18-unit seasonally oriented concept, has six new units on the docket. Three of the grill and wine bars should open by the end of November in Jacksonville and Naples, Fla., and in Kansas City, Mo. Next year will see openings in Santa Monica, Calif.; Long Island, N.Y.; and Oak Brook, Ill. Seasons 52 opened six restaurants during fiscal 2011, which ended June 30. Darden is headquartered in Orlando, Fla.