From Galicia, Spain, Pimiento De Padron is very early and highly productive over a long growing season. Flavor is earthy and almost nutty, especially compared to its cousin, the Shishito. Harvest when two to four inches long. Heat increases as the fruit ripens. If left on the plant, fruits grow much larger and are often extremely spicy. Approximately one in ten have a mysterious habit of being surprisingly hot! Scoville Heat Units: 500 – 2,500.