Cymbopogon, better known as lemongrass is a genus of Asian, African, Australian, and tropical Island plants in the grass family. These are commonly cultivated as culinary and medicinal herbs because of their scent, resembling that of lemons. This grass grows in dense clumps that can grow to 6 ft in height and about 4 ft in width. Lemongrass may survive the winter and return in the spring even though the plant's leaves die back. It's roots are typically hardy, the plant may return year after year.
Lemongrass is used for treating digestive tract spasms, stomach ache, high blood pressure, convulsions, pain, vomiting, cough, achy joints (rheumatism), fever, the common cold, and exhaustion. It is also used to kill germs and as a mild astringent.