– scientifically known as Sorghum halepense, is a perennial grass that is considered a weed due to its aggressive spread and potential toxicity to livestock. It is classified as a perennial, meaning it lives for more than two years, and it spreads through seeds and rhizomes (underground stems). It is native to the Mediterranean region and has been introduced to many other areas, including the United States, where it is found in all states except Minnesota, and is considered invasive in many.