Lemongrass essential oil is one of the most widely recognized natural scents, appreciated for its fresh aroma and deodorizing properties. However, what many people don’t realize is that the “lemongrass family” actually includes three commonly used essential oils with distinct characteristics: lemongrass (Cymbopogon citratus), citronella (Cymbopogon winterianus), and palmarosa (Cymbopogon martinii).
Choosing the right one is not only about scent preference—it also helps you use each oil more appropriately and safely.
In this article, let’s explore the key differences between these three oils in terms of scent, composition, and application, so you can find the one that suits you best.
What is lemongrass essential oil?
Lemongrass essential oil is extracted from the leaves of Cymbopogon citratus (DC.) Stapf, a tropical grass native to Asia. The plant typically grows in dense clumps, reaching about 0.8 to 1 meter in height, with long, narrow green leaves rich in aromatic compounds. Lemongrass is widely used in everyday life, especially in cooking and aromatherapy.
Its scent is bright, sharp, and citrusy, often reminiscent of fresh lemon, with a slightly green and herbal edge. This makes it particularly suitable for refreshing indoor spaces, especially in warm weather. Lemongrass essential oil is one of the most accessible and versatile oils, thanks to its clean and uplifting profile. Due to its high citral content, it is commonly associated with antimicrobial and antifungal properties (as supported by various studies, though usage should remain within safe and appropriate contexts).
What is citronella essential oil?
Citronella essential oil is derived from the leaves of Java citronella (Cymbopogon winterianus Jowitt ex Bor), a tropical grass native to South and Southeast Asia. The plant forms large, dense clumps, with thicker, sharper leaves compared to lemongrass. One notable identifying feature is the reddish or purplish base of the stems, in contrast to the pale base of lemongrass.
Unlike lemongrass, citronella is rarely used for culinary purposes and is mainly cultivated for essential oil production. Its scent is distinctly herbal and more intense than lemongrass, with a sharp green character and a subtle floral sweetness. It creates a clean, crisp, and invigorating atmosphere. Compared to lemongrass, citronella has a stronger projection and more pronounced presence, making it more suitable for outdoor or well-ventilated spaces such as balconies, gardens, or areas that require stronger odor control (e.g., storage spaces or pet areas). It is less commonly used in bedrooms or spaces intended for gentle relaxation.
Citronella is best known for its role in insect repellent applications. With key components such as citronellal and geraniol, it is widely used to help deter mosquitoes and other small insects. It is also associated with air-freshening and surface-cleaning applications, and when properly diluted, it may be used in body care for soothing or massage purposes.
What is palmarosa essential oil?
Palmarosa essential oil is extracted from the leaves and stems of Cymbopogon martinii (Roxb.) Will. Watson, a grass that shares the same botanical family as lemongrass and citronella. The plant has slender stems and smoother, finer leaves, and produces small reddish flower clusters at the top.
Despite belonging to the same genus, palmarosa has a completely different aromatic profile. Due to its high geraniol content, it carries a soft, floral scent similar to rose, with a gentle, smooth character rather than a sharp or intense one. The scent also includes subtle green and fresh nuances, with a light citrus brightness that gives it a clean and uplifting feel.
Palmarosa is often associated with skin care applications, as it is traditionally used to help maintain skin hydration and balance. Its soft floral aroma is also appreciated for relaxation and emotional comfort, making it a preferred choice for those who enjoy floral notes or seek a more calming atmosphere.
Finding the right essential oil for your needs
Although lemongrass, citronella, and palmarosa all belong to the Poaceae (grass) family, each offers a distinct scent profile and practical use.
- Lemongrass is ideal for refreshing and deodorizing indoor spaces, bringing a clean and uplifting atmosphere.
- Citronella is better suited for stronger applications such as odor control and insect repellent, especially in open or outdoor environments.
- Palmarosa is a softer, more floral option, suitable for relaxation and personal care routines.
Understanding these differences allows you to choose more intentionally - not just based on scent, but on how each oil fits into your daily life.
Discover areme’s lemongrass essential oil and citronella essential oil.