The habanero pepper is an incredibly hot pepper, and at one point was named the hottest of them all, until the ghost pepper was deemed the hottest (at up to 1,000,000 Scoville Heat Units). The habanero peppers Scoville rating can range from 100,000-350,000 SHU. For additional comparison, a jalapeño pepper ranges from 2,500-8,000 SHU.