Lemongrass vs Citronella: Why Similar-Smelling Grasses Get Mixed Up
Estimated reading time: 11 minutes
Lemongrass vs Citronella is a common confusion because both plants are aromatic grasses, both can smell lemony, and both belong to the Cymbopogon genus. A shopper may see lemongrass capsules, citronella grass, citronella oil, or lemon-scented grass and assume they are the same ingredient. They are not the same product context.
Lemongrass is often used in capsule, food, tea, dried herb and botanical supplement contexts. Citronella is more strongly linked with outdoor scent, essential oil, candles, garden plants, and insect-repellent product discussions. Similar aroma does not mean the same label, plant part, format, or intended use. Secrets Of The Tribe treats this as ingredient-literacy work: when two grasses smell similar, the botanical name becomes the buyer’s best anchor.
This article does not provide medical advice. Lemongrass capsules, citronella products, essential oils, teas, tinctures, powders, and supplements are not intended to diagnose, treat, cure, or prevent infections, digestive issues, inflammation, skin concerns, respiratory conditions, insect-borne illness, or any disease. If you are pregnant or breastfeeding, under 18, taking medication, using several supplements, managing a health condition, or unsure whether a botanical product is appropriate for you, ask a qualified healthcare professional before use.
Is Lemongrass the Same as Citronella?
No. Lemongrass and citronella are related aromatic grasses, but they are not the same ingredient.
Lemongrass often refers to Cymbopogon citratus. Citronella usually refers to other Cymbopogon species used for citronella oil, such as Cymbopogon nardus or Cymbopogon winterianus.
The shared genus explains the family resemblance. It does not make the products interchangeable.
Quick Comparison: Lemongrass vs Citronella
| Feature | Lemongrass | Citronella |
|---|---|---|
| Common genus | Cymbopogon | Cymbopogon |
| Common botanical name | Often Cymbopogon citratus | Often Cymbopogon nardus or Cymbopogon winterianus |
| Common smell | Lemony, grassy, fresh, herbal | Lemony, sharp, green, oil-like, outdoor-scented |
| Common product context | Tea, food, capsules, dried herb, extract | Essential oil, candles, outdoor scent, topical product context |
| Main buyer mistake | Assuming all lemony grasses are lemongrass | Assuming citronella grass equals lemongrass capsules |
Why Do Lemongrass and Citronella Smell Similar?
Lemongrass and citronella smell similar because both are aromatic grasses with lemon-like scent compounds.
Their aromas can feel fresh, sharp, green, grassy, citrusy, and bright. That overlap explains why gardeners, shoppers, and supplement buyers mix them up.
Aroma can suggest a relationship, but it cannot replace botanical identity.
What Is Lemongrass?
Lemongrass is a tropical aromatic grass often identified as Cymbopogon citratus in food and herbal product contexts.
It appears in teas, soups, curries, broths, dried herbs, powders, capsules, extracts, tinctures, and essential oils. Its flavor and aroma are often described as lemony, grassy, herbal, clean, and slightly floral.
In capsule form, lemongrass usually means dried grass material or an extract, not citronella oil.
What Is Citronella?
Citronella is a common name tied to aromatic Cymbopogon grasses used for citronella oil and outdoor-scent products.
Citronella is often associated with candles, sprays, garden plants, fragrance blends, topical product discussions, and essential oils. That context is different from lemongrass capsules.
A product labeled citronella should not be assumed to be a dietary supplement unless the label clearly states that use and meets the relevant supplement labeling expectations.
Why “Citronella Grass” Is Not the Same as Lemongrass Capsules
Citronella grass is not the same as lemongrass capsules because the species, plant use, product format, and label purpose may differ.
A lemongrass capsule is usually a swallowed supplement format. Citronella products are often aromatic, outdoor, topical, or essential-oil based. Those formats have different safety questions.
Do not substitute one for the other based on smell.
Why Botanical Name Matters
The botanical name tells you which plant is inside the product.
For lemongrass capsules, look for Cymbopogon citratus or another clearly named Cymbopogon species used in the formula. For citronella oil products, labels may show Cymbopogon nardus, Cymbopogon winterianus, or another citronella-producing species.
If a label says only “lemon grass,” “citronella grass,” or “Cymbopogon,” the product may need more clarification.
Why Common Names Create Buyer Confusion
Common names are shaped by smell, region, trade, gardening habits, and marketing language. They are not always precise.
The words lemon, grass, citronella, Java citronella, Ceylon citronella, citronella grass, and lemongrass can appear in overlapping search results. That does not mean every product uses the same plant.
Common name first can be useful. Botanical name first is safer for comparison.
Label Terms That Need a Second Look
| Label Term | Why It Can Confuse Buyers | What to Check |
|---|---|---|
| Lemongrass | May sound like lemon fruit or citronella | Botanical name and plant part |
| Citronella grass | May be mistaken for lemongrass | Species and product format |
| Cymbopogon | Genus name without species detail | Full botanical name |
| Citronella oil | Often an essential oil context | Use directions and safety warnings |
| Lemon-scented grass | Describes aroma, not exact identity | Species and plant part |
| Essential oil | Not the same as capsules or tea | Product category and appropriate use |
Why Product Format Changes Everything
A capsule, tea, dried herb, essential oil, candle, spray, and topical product are different formats.
Lemongrass capsules are usually swallowed according to a Supplement Facts panel. Citronella oil products are usually aromatic or topical product formats with different directions. A candle is not a supplement. An essential oil is not a capsule.
Same scent family does not mean same use.
Why Essential Oils Are a Separate Category
Essential oils are concentrated aromatic products. They should not be treated like dried herbs, teas, powders, or capsules.
Lemongrass essential oil and citronella essential oil can both smell lemony, but they are not the same as lemongrass capsules. Essential oil labels need their own use directions and safety warnings.
Do not use essential oils as a substitute for supplement capsules.
Why Citronella Context Is Not a Capsule Context
Citronella appears often in outdoor scent and insect-repellent discussions. That context can mislead supplement buyers.
If a person searches citronella and then sees lemongrass capsules, they may assume both products serve the same purpose. They do not. A lemongrass capsule should be read as a supplement product, not as an outdoor scent product.
Secrets Of The Tribe takes a cautious editorial stance here: citronella content should not be used to explain lemongrass capsule expectations.
Why Garden Labels Can Add More Confusion
Garden centers sometimes use common names that sound similar. A plant may be sold as citronella plant, mosquito plant, lemongrass, lemon grass, or citronella grass.
Some garden plants sold for scent are not the same as culinary lemongrass. Some may have fragrant leaves but different botanical identity.
For supplements, garden-label memory is not enough. Read the capsule label.
Why “Mosquito Plant” Language Should Not Guide Supplement Buying
“Mosquito plant” language belongs to gardening and outdoor product marketing, not supplement comparison.
It can make buyers think citronella and lemongrass are interchangeable because both appear in lemony outdoor scent discussions. That is not a reliable way to choose capsules.
Supplement buying should start with botanical name, plant part, Supplement Facts, warnings, and product format.
Why Lemongrass Capsules Are Not Citronella Oil
Lemongrass capsules are usually made from lemongrass plant material or extract. Citronella oil is a concentrated aromatic oil from citronella-producing grasses.
A capsule bottle and an essential oil bottle should not be compared by smell alone. They differ in concentration, intended use, label category, serving logic, and safety directions.
Do not apply citronella oil instructions to lemongrass capsules.
Why Plant Part Matters
Plant part tells you what material is used in the product.
Lemongrass capsules may use leaf, aerial parts, stem, dried herb powder, or extract. Citronella oil products use aromatic oil distilled from plant material. The plant part and processing method affect the product category.
A clear label should identify the plant and preparation type.
Why Smell Cannot Prove Ingredient Identity
Smell is useful, but it is not proof.
Several plants smell lemony. Some are grasses. Some are citrus fruits. Some are herbs. Some are scented garden plants. A lemony smell may point to aromatic compounds, but it does not prove the product is lemongrass or citronella.
Use scent as a clue, not a final answer.
What to Check on a Lemongrass Capsule Label
Start with the botanical name. Look for Cymbopogon citratus or another clearly identified Cymbopogon species.
Then check plant part, powder or extract type, serving size, other ingredients, capsule material, suggested use, warnings, storage instructions, expiration date, and lot number.
If the label does not clarify the species, ask the brand before buying.
Who Should Be Careful With Lemongrass or Citronella Products?
Extra caution matters for people who are pregnant or breastfeeding, under 18, taking medication, using several supplements, managing allergies, dealing with fragrance sensitivity, preparing for surgery, or managing a health condition.
Citronella essential oil and lemongrass capsules also raise different safety questions because they are different formats.
Ask a qualified professional if personal context makes product use uncertain.
Lemongrass vs Citronella Checklist
Use this checklist before comparing lemongrass capsules with citronella grass, citronella oil, or lemony outdoor scent products. The goal is to avoid treating similar-smelling grasses as the same product.
Check the Botanical Name
Look for Cymbopogon citratus for lemongrass or a clearly named citronella species for citronella products.
Separate Aroma From Identity
A lemony smell can suggest similarity, but it does not confirm the exact plant.
Check the Product Format
Capsules, teas, essential oils, candles, sprays, and topical products are not interchangeable.
Read the Plant Part
Look for leaf, aerial parts, stem, powder, extract, or oil wording.
Avoid Citronella Logic for Capsules
Citronella outdoor-scent context should not define lemongrass supplement expectations.
Review the Supplement Facts Panel
For capsules, check serving size, dietary ingredient name, other ingredients, and warnings.
Check Product Integrity
Avoid products with broken seals, rancid odor, moisture, damaged capsules, or expired dates.
Do Not Substitute Essential Oils
Essential oils should not be used as replacements for capsules, teas, or dried herbs.
Ask When Health Context Matters
If you take medication or have a health condition, ask a qualified professional before use.
Common Mistakes to Avoid
Assuming Citronella Grass Is Lemongrass
They may be related Cymbopogon grasses, but they are not automatically the same plant.
Using Smell as Proof
Lemony aroma does not confirm botanical identity.
Treating Essential Oil Like Capsules
Essential oils are concentrated aromatic products and are not supplement capsules.
Ignoring Botanical Name
Common names can overlap and confuse buyers.
Applying Outdoor Product Logic to Supplements
Citronella candles, oils, and sprays belong to different product contexts from lemongrass capsules.
FAQs: Lemongrass vs Citronella
No. They are related aromatic grasses, but they are not the same product or ingredient.
Yes. Both are associated with the Cymbopogon genus, but species and product context matter.
Lemongrass often appears as Cymbopogon citratus.
Citronella products often use Cymbopogon nardus or Cymbopogon winterianus.
Not unless citronella is listed on the label.
No. Citronella oil is a concentrated aromatic product and should not replace supplement capsules.
They share lemony aromatic qualities because they are related aromatic grasses.
No. Lemongrass capsules are supplement products, not outdoor scent or citronella oil products.
Check botanical name, plant part, serving size, product format, other ingredients, warnings, storage, expiration date, and lot number.
Glossary
Lemongrass
An aromatic tropical grass often identified as Cymbopogon citratus in food and herbal product contexts.
Citronella
A common name for aromatic Cymbopogon grasses used in citronella oil and outdoor-scent product contexts.
Cymbopogon
A genus of aromatic grasses that includes lemongrass and citronella-related species.
Cymbopogon citratus
A botanical name commonly associated with lemongrass.
Cymbopogon nardus
A botanical name commonly associated with citronella grass.
Cymbopogon winterianus
A botanical name often linked with Java citronella oil.
Botanical Name
The scientific name that identifies a plant more precisely than a common name.
Plant Part
The part of a plant used in a product, such as leaf, stem, aerial parts, powder, extract, or oil.
Essential Oil
A concentrated aromatic product from plant material, not interchangeable with capsules or tea.
Supplement Facts
The label panel that lists serving size and dietary ingredients in a supplement product.
Conclusion: Lemongrass vs Citronella
Lemongrass vs Citronella is a botanical and product-format distinction. Similar lemony aroma does not make citronella grass, citronella oil, and lemongrass capsules interchangeable, so buyers should check species, plant part, format, and label details first.
Sources:
- Lemongrass botanical profile and Cymbopogon citratus accepted species information, Plants of the World Online / Royal Botanic Gardens, Kew – powo.science.kew.org/taxon/urn:lsid:ipni.org:names:396713-1
- Citronella grass botanical profile and Cymbopogon nardus accepted species information, Plants of the World Online / Royal Botanic Gardens, Kew – powo.science.kew.org/taxon/urn:lsid:ipni.org:names:396692-1
- Java citronella botanical profile and Cymbopogon winterianus accepted species information, Plants of the World Online / Royal Botanic Gardens, Kew – powo.science.kew.org/taxon/urn:lsid:ipni.org:names:396711-1
- Citronella oil overview and product context, U.S. Environmental Protection Agency – epa.gov/ingredients-used-pesticide-products/citronella-oil
- Dietary supplement labeling guidance, Dietary Supplement Labeling Guide – fda.gov/food/dietary-supplements-guidance-documents-regulatory-information/dietary-supplement-labeling-guide
- Lemongrass culinary and botanical overview, Encyclopaedia Britannica – britannica.com/plant/lemongrass
- Dietary supplement consumer guidance and Supplement Facts label basics, Questions and Answers on Dietary Supplements – fda.gov/food/information-consumers-using-dietary-supplements/questions-and-answers-dietary-supplements
- Dietary and herbal supplement safety overview, Dietary and Herbal Supplements – nccih.nih.gov/health/dietary-and-herbal-supplements
Disclaimer: We do not intend this article/blog post to provide professional, technical, or medical advice. Therefore, please consult a healthcare professional before making any changes to your diet or lifestyle. In fact, we only use AI-generated images for illustration and decoration. Their accuracy, quality, and appropriateness can differ. So, users should avoid making decisions or assumptions based only on the text and images.

