Here is the Tabasco Pepper, Capsicum frutescens, Scoville units: 50,000 SHU. This famous heirloom was introduced into Louisiana in 1848 and became the main ingredient in Tabasco Pepper Sauce. This pepper is very hot and has a delicious flavor. The plants grow up to 6 feet tall and are covered with small, thin peppers. Needs a warm summer or can be grown as a potted plant. Fruit ripen from green to orange, then red. Open pollinated, 90 days.