Red Rosso Sicilian Tomato Seeds. All seeds are grown without chemicals. Start seeds in a warm location at least 6 weeks before planting. Plants will grow best in warm soil with nighttime temperatures above 50 degrees F. Harvest continues until frost. Red Rosso Sicilian: Beautiful, great, rich-tasting, medium-sized (about 5 oz), ribbed-shaped tomato. Nice hollow cores that make these tomatoes good for stuffing. Also, make a nice sauce. 80 days from transplant to harvest.