Lemongrass

At a Glance

Common name

Lemongrass

Scientific name

Cymbopogon citratus

Family

Poaceae

Region

Southeast Asia

Plant part

Leaves, Stem base

Caffeine

Caffeine Free

Evidence

Limited

Safety review

Safety information on file

Botanical Description

A clump-forming tropical grass up to 1.5 m tall with long narrow sword-like leaves that arch gracefully from a bulbous, pale, aromatic stem base used in cooking and tea.

Also known as: Fever Grass, Citronella Grass, Sereh

Historical Background

Lemongrass has been a beloved aromatic across Southeast Asia, India, and the Caribbean for centuries, prized in Thai curries, Ayurvedic preparations, and refreshing cooling teas. Its bright citrus scent comes from citronellal and citral, making it a staple of both kitchen and teapot.

Earliest recorded uses: Traditional in Southeast Asian and Indian cuisine and medicine for centuries.

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Flavor & Aroma

Aroma: Bright, lemony, fresh, grassy

Tea Preparation

Modern Evidence

Lemongrass has a long tradition as a digestive and cooling aromatic tea. Preclinical work shows antioxidant and antimicrobial activity (citral); clinical evidence is limited and it is not a treatment for digestive disease, infection, or any condition.

Evidence levels describe the state of research for the traditional use discussed here, not a recommendation. Historical use does not imply effectiveness.