80 days. Costoluto refers to the distinct flattened, heavily-ribbed shape of various Italian heirlooms. This gorgeous selection comes from Florence and impressed us with its early maturity of brilliant red, 4 inch wide by 1 ½ inch tall tomatoes. Fruit are juicy and flavorful for slicing but really shine when slow-roasted or cooked down into a rich sauce. Indeterminate plants perform well in both hot and cooler climates.