SWEET BELL PEPPER: 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.Jupiter Pepper: One of the best performing open-pollinated, non-hybridized bell peppers to come along in many years. Four-lobed, blocky fruit is up to 20% larger than most popular varieties. Peppers have thick walls and when fully ripened, turn bright red. Uniform plants offer good protection against sunburn. Resistant to Tobacco Mosaic Virus.