Lemongrass, also called citronella, is a tall, stalky plant. It has a fresh, lemony aroma and a citrus flavor. It’s a common ingredient in Thai cooking and bug repellent.
Lemongrass essential oil is used in aromatherapy to freshen the air, reduce stress, and uplift the mood. Lemongrass is also used as a folk remedy to promote sleep, relieve pain, and boost immunity.