Why Are My Lemongrass Leaves Wilting? [How to Care]

Has your lemongrass plant been looking a bit sad lately? Don’t worry; this is a problem that many gardeners face. Depending on what zone you live in, you may be better suited for growing different plants and using different planting methods.

Causes for Wilted Lemongrass Leaves

There are many causes for wilted lemongrass leaves. Poor watering practices, extreme temperatures, and pests or diseases can all cause lemongrass leaves to wilt.

Also Read: Why Is My Lemongrass Plant Dying? [11 Reasons & How to Prevent]

Watering Your Lemongrass Plant

  • Lemongrass plants can be a little fussy when it comes to water. Providing sufficient water for your plant may take some time.
  • They don’t like to be over-watered, but they also don’t like to be under-watered.
  • If the Lemongrass is not getting enough water, the leaves will start to droop and wilt.
  • Lemongrass should be given water when the top inch of soil is dry. Frequent watering will cause the roots to rot and die.
  • Lemongrass plants usually should be watered at least once a week. If you live in a hot, humid climate, you may need to water your Lemongrass more often.
  • If the plant is being grown in a container, check it has good drainage to prevent the roots from sitting in water.

Lemongrass Rootstalk (Cymbopogon Citratus) 2 Live Plants

Learn: How to Make Lemon Grass Mosquito Repellent [Some Useful Tips]


  • Lemongrass is a tropical plant that thrives in warm, humid conditions.
  • However, it can tolerate a wide range of temperatures, but it should not be exposed to extremes either way.


  • In hot weather, keep the plant in a shady spot and water it regularly.
  • Lemongrass is known to grow well in zones 9 and 10, including parts of Florida, California, Louisiana, and Texas.
  • However, when the temperature rises above 85 degrees, the plant may start to experience heat stress.
  • The leaves will start to curl up and turn yellow as the plant struggles to keep up with photosynthesis.
  • The stalks of the plant will also start to droop, and eventually, the entire plant will die.
  • If you’re trying to keep your plant alive during a heat wave, you can try moving it into the shade or watering it more often.
  • You can also put a fan next to it to help circulate air and keep it cool.

Check: Why Is My Lemongrass Leaves Turning Yellow?


  • While it can tolerate temperature variation, prolonged exposure to cold weather can damage the plant.
  • Lemongrass is sensitive to frost and may start to die back if the temperature dips below 40 degrees Fahrenheit.
  • Lemongrass is not known to survive or thrive in any zone less than 8, as the winters are too harsh. These areas include Missouri, Colorado, Ohio, etc.
  • The leaves will turn brown and drop off, and the plant may stop growing altogether.
  • If your lemongrass plant is exposed to cold weather, bring it indoors or cover it with a frost blanket to protect it from the elements. You may not need to water it as often.
  • With proper care, your lemongrass plant should recover from the cold and resume normal growth.

Lemongrass Plant | 3 Live Plants | Cymbopogon Citratus | Low Maintenance Fragrant Edible Herb Grass

Check: How Do You Make Lemongrass Grow Tall?


  • Pests such as aphids and spider mites can cause lemongrass leaves to wilt. They can carry diseases that may harm your plant.
  • These diseases can weaken the plant and make it more susceptible to pests and other problems.
  • In addition, pests can damage your plant’s leaves, which may prevent the plant from photosynthesizing properly.
  • This problem can lead to a decrease in the amount of food the plant produces and may eventually kill the plant.
  • Therefore, controlling pests on your lemongrass plant is essential to prevent these problems.

Also Check: Is Lemongrass Safe for Dogs? Can Dogs Eat Lemongrass?

Soil Conditions

  • Learning to grow lemongrass is an easy process when you have all the necessary information.
  • Lemongrass thrives in soils that are high in organic matter and well-drained. The ideal pH range for lemongrass is between 6.0 and 7.0.
  • Sandy loam soils are generally best for lemongrass, as they provide good drainage while still holding enough moisture and nutrients.
  • If your soil is heavy clay, you may need to add some organic matter to improve drainage.
  • You can also improve drainage by planting lemongrass in raised beds.
  • Whatever type of soil you have, make sure it is loose and not compacted, as this can impede root growth.


  • Lemongrass is relatively easy to care for, but you do need to fertilize it regularly.
  • The best time to fertilize lemongrass is in the spring. Use a balanced fertilizer high in nitrogen.
  • Apply the fertilizer according to the manufacturer’s instructions. Be sure to water the plant thoroughly after applying fertilizer.
  • Over-fertilizing lemongrass can damage the plant, so it is vital to follow the directions carefully.

Read: Is Lemongrass a Perennial?


  • Weeds aren’t just unsightly; they can also be bad for your lemongrass plant.
  • Weeds can compete with lemongrass for water and nutrients and provide a home for pests and diseases.
  • In addition, weeds can reduce air circulation around the lemongrass plant, making it more susceptible to fungal infections.
  • Therefore, it’s important to remove weeds from around your lemongrass plant to ensure its health and vigor.

Lemongrass Rootstalk (Cymbopogon Citratus) 2 Live Plants

The Symptoms of Lemongrass Dying

  • Several early stages will indicate when the lemongrass plant is beginning to die.
  • The first stage is when the leaves start to turn yellow, often followed by brown or black spots on the leaves. The leaves will eventually turn dry and brittle as the plant starts to die.
  • The stem of the plant may also begin to discolor, and the plant may produce fewer and smaller leaves. Ultimately, the entire plant will turn brown and may collapse.
  • If you notice these signs, take action quickly to save your lemongrass plant. Use the tips above to discover why your lemongrass plant may be wilting and dying.
  • When the months are hot, give your plant some more water. When it gets too cold out, cover the plant with a blanket.

Also check: How to Grow Lemongrass From Stalk

Treating Wilting or Dying Lemongrass Leaves

Depending on what you need to treat, your options will differ. These are some things you can do:

  • Be aware of the temperature outside and ensure your plant has a sufficient water supply.
  • Check the soil conditions to make sure they are adequate. If not, take steps to improve them, like adding more fertilizer to boost the nutrients given to the plant.
  • Be on the lookout for pests or diseases, as these can also damage the plant. You can buy different products in the store to help your plant thrive.
  • Frequently check for weeds around your plant to ensure it gets enough air and nutrients.

Read: Why Is My Lemongrass Turning Red? [How to Save]

Lemongrass Plant | 3 Live Plants | Cymbopogon Citratus | Low Maintenance Fragrant Edible Herb Grass

Why Are My Lemongrass Leaves Wilting? – FAQs

Here are some commonly asked questions about this topic.

If my lemongrass plant dies, can it come back to life?

-> Yes, even though your lemongrass plant died, you can still take the proper steps to try and bring it back to life.
-> Especially in zones 8b and 9, lemongrass roots have proven to be very strong.
-> Laying a blanket or some straw mulch over the plant’s roots and soil should help nurture it back to life.

Is it necessary to prune or trim my lemongrass plant?

-> When maintained correctly, lemongrass tends to be a fast-growing plant.
-> Cutting stocks off for cooking will help manage the size.
-> Trimming back the plant every so often will encourage more healthy growth.

Is it true lemongrass helps to repel mosquitos?

-> Yes, like most other citronella plants, lemongrass is widely used as a natural repellent for mosquitoes, stable flies, etc.
-> There have been many studies on lemongrass and the oils it produces to fight off various bugs.

What is the difference between Lemongrass and Lemon Balm?

-> The main difference between lemongrass and lemon balm is that Lemongrass is used as a culinary herb while Lemon Balm is used as a medicinal herb.
-> Lemongrass has a strong citrus flavor and can be used in different dishes.
-> Lemon balm is used to treat anxiety, insomnia, and indigestion. It has a milder lemon flavor and can be used in tea or as a topical ointment.

Where is the best place to plant my lemongrass?

-> Lemongrass grows best in full sun with well-drained soil.
-> If you live in a cold climate, it is best to grow lemongrass in a container so you can bring it indoors when the weather gets too cold.

Can I grow lemongrass in water?

-> Lemongrass can be grown in water, but it is not recommended. If you grow lemongrass in water, it is more likely to get diseases and pests.
-> It is also more challenging to control the water temperature and quality when growing in water. For these reasons, it is best to grow lemongrass in soil.

Check: How to Care For a Lemongrass Plant [Useful Tips]

Why Are My Lemongrass Leaves Wilting
Why Are My Lemongrass Leaves Wilting

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Wrapping Up

Lemongrass (Cymbopogon citratus) is a tropical plant from Southeast Asia, currently found in many other tropical regions.

It is used in Asian cuisine for its unique flavor, and, due to its numerous properties, it is also regarded as a medicinal herb.

In this article, we have outlined several things you can do to keep your Lemongrass plant healthy.

Typically, lemongrass is easy to grow and does well in a container or on the ground. If you are having trouble with your lemongrass leaves wilting, be sure to follow our recommendations!

With proper care, your lemongrass plant will thrive and produce delicious stalks for you to use in cooking.