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.
HEIRLOOM. The standard bell pepper for many decades, this 1928 introduction is still the largest open-pollinated, heirloom bell you can grow, and it makes a big improvement over earlier bells. Consistently produces 3" X 4", 4-lobed fruit. Matures in 75 days.