Bryan McAllister’s personal reference notebook
August 1, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
Field Notes • Plants

Lemongrass

Lemongrass is a tropical perennial grass in the genus *Cymbopogon*, most often referring to *Cymbopogon citratus*.

Updated August 1, 20261 min readCited sources

Lemongrass is a tropical perennial grass grown for its citrus-scented stalks and leaves. It is widely used in cooking, teas, and essential oils.

What it is

Lemongrass is a perennial grass in the genus Cymbopogon, most often Cymbopogon citratus. It forms dense clumps with stiff stems and narrow, blade-like leaves. The plant is native to South Asia and Maritime Southeast Asia and is now cultivated in warm regions worldwide.

How it is used

The stalks and leaves are used to flavour soups, curries, and teas in Southeast Asian cooking. Lemongrass is also grown for its essential oil, which is used in perfumery, soaps, and other scented products. In Canada, it is widely available fresh, frozen, dried, or as tea.

Key details

Lemongrass thrives in tropical and subtropical climates without frost. It is a grass botanically but treated as a culinary herb. Related species in the genus Cymbopogon may be used for oil production or fragrance.

In short

  • Lemongrass is an aromatic grass used in cooking and essential oils.
  • The name usually refers to Cymbopogon citratus.
  • It is native to South and Southeast Asia and grown in warm climates.
  • In Canada, it is commonly found in grocery stores for Asian dishes.
Canadian angle

Lemongrass is widely available in Canadian grocery stores, especially in fresh, frozen, dried, and tea forms, and is used in many Thai, Vietnamese, and other Southeast Asian dishes prepared in Canada.

Quick questions

What is lemongrass?
Lemongrass is a tropical perennial grass in the genus Cymbopogon, best known for its citrus-scented leaves and culinary uses.
What is lemongrass used for?
It is used to flavour foods and teas, and its essential oil is used in fragrances, soaps, and other scented products.
Where does lemongrass come from?
It is native to South Asia and Maritime Southeast Asia and is now cultivated in many warm regions worldwide.

Sources

  1. Penn State PlantVillagehttps://plantvillage.psu.edu/topics/lemon-grass/infos
    Supports: Describes lemongrass as a perennial grass in Poaceae, grown for fragrant leaves and stalks; notes dense clumps and culinary use; mentions alternate names and likely origin.
  2. University of Wisconsin-Madison Extensionhttps://hort.extension.wisc.edu/articles/lemongrass/
    Supports: States lemongrass is an aromatic tropical grass cultivated primarily for culinary use and notes multiple Cymbopogon species used as lemongrass.
  3. Encyclopaedia Britannicahttps://www.britannica.com/plant/lemongrass
    Supports: Identifies lemongrass (*Cymbopogon citratus*) as a perennial species of oil grass in Poaceae, often used in cooking.
  4. Specialty Producehttps://specialtyproduce.com/produce/Lemongrass_320.php
    Supports: Gives common species, native range, growth habit, and distinction between culinary and oil-producing lemongrass types.