Purple Belle Sweet Pepper-75 Seeds - GARDEN FRESH PACK! Purple Belle Sweet Pepper-75 Seeds - GARDEN FRESH PACK! Bell peppers have a rounded, square shape with four lobes. They are hollow, with flat seeds inside. Bell peppers are the most commonly grown type of pepper in North America. Most bell peppers are harvested when they are still green, but when left to mature on the plant for a longer length of time, some peppers will turn shades of red, yellow or even purple. Crisp and succulent, these stocky bell peppers are ready to eat when the fruits turn a stunning, deep purple color with a green undertone Four-lobed, thick-walled fruits grow on vigorous and very productive plants. Fruit measures 3-3 inches long x 2 -3 inches wide. It's an interesting novelty to add to your salads and cooking.