The Yellow Peter Pepper (capsicum annum) is very rare. Like it's Red relative the Yellow Peter Pepper is shaped like a male sex organ. It's origin is believed to be Appalachia, United States. The heat level of Peter Peppers is somewhat hotter than a jalapeno. The Yellow Peter Pepper's heat level is slightly lower than the Red Peter pepper. People grow these mostly for their novelty, but Peter Peppers have a good hot pepper flavor that is good for most spicy dishes and salsas.