This new hybrid heirloom type combines the flavor of heirlooms with the productive quality of a commercial variety. The attractive, dark purple fruit weigh 7 to 10 ounces, and have deliciously sweet and tangy flesh. And Darkstar is resistant to Late Blight. The strong, 6 – 7 foot tall indeterminate vines will produce over a long period of time, with great productivity. 75 days.