Carbon Tomato is undoubtedly one of the best tasting heirloom tomatoes, well known for its deep purple, almost black, coloring and broad complex flavor that is a hallmark trait of dark tomatoes. Celebrated as the Winner of the 2005 “Heirloom Garden Show” best-tasting tomato award, Carbon produces high yields of crack resistant 10 to 12 oz fruits on indeterminate climbing vines. 80 days. Packet: 40 seeds.