Hothouse Tomato Ad, 1948 ID: 7249 | This file appears in: Cleveland's Greenhouse Industry The Cleveland Hothouse Vegetable Growers' Cooperative Association worked to convince consumer to buy local tomatoes grown in the area's greenhouses. | Date: July 1, 1948 | Source: Cleveland Plain Dealer Download Original File SourceCleveland Plain DealerDateJuly 1, 1948 "Hothouse Tomato Ad, 1948" appears in: Cleveland's Greenhouse Industry