855,000-1,463,000 SHU. HOT HOT HOT. At 1,000,000 Scoville, this pepper is one of the hottest heirloom peppers in the world. Plants will produce large amounts of medium-sized, cone-shaped peppers, that will begin green then turn slowly to brown than bright red. WARNING we are not responsible for any damage caused by this pepper, you have been warned that it is dangerously hot. The pepper has smoky and floral notes and is known for its use in Indian cuisine where the pepper first originated.