AOL: You Don't Need a Garden to Grow Lemongrass—Here's How to Do It Indoors Lemongrass (Cymbopogon) is a popular herb in Thai and Vietnamese cuisine—it can be brewed into a tea, used as an ingredient in a delicious stir fry, and much more. The tropical plant's common name ... You Don't Need a Garden to Grow Lemongrass—Here's How to Do It Indoors