Updated: November 8, 2022

Citronella is a popular plant known for its strong lemon scent and mosquito-repelling properties. However, even the most experienced gardeners can have trouble keeping their citronella plant alive. If your citronella plant is looking unhealthy or dying, follow these tips to bring it back to life.

Identify the Problem

The first step in saving a dying citronella plant is identifying what is causing the problem. Here are some common issues that can cause a citronella plant to wither:

  • Overwatering: Too much water can drown the roots and lead to root rot.
  • Underwatering: Not enough water can cause the leaves to wilt and turn brown.
  • Lack of sunlight: Citronella plants require at least six hours of direct sunlight each day.
  • Pests: Aphids, spider mites, and whiteflies are common pests that can damage a citronella plant.
  • Disease: Fungal diseases such as powdery mildew and leaf spot can cause a citronella plant to decline.

Once you have identified what is causing the problem, you can take steps to address it.

Watering

Watering is one of the most important factors in keeping a citronella plant healthy. Here are some tips for proper watering:

  • Allow the soil to dry out between waterings. Stick your finger into the soil; if it feels dry up to your second knuckle, it’s time to water.
  • Water deeply but infrequently. When you water, make sure to give the plant enough water to soak the soil completely.
  • Use well-draining soil. Citronella plants prefer soil that drains well and does not retain too much water.

Sunlight

Citronella plants require at least six hours of direct sunlight each day. If your plant is not getting enough sunlight, try moving it to a sunnier location. If you live in an area with hot summers, consider providing some shade during the hottest part of the day.

Pests

Pests such as aphids, spider mites, and whiteflies can damage a citronella plant. Here are some ways to manage pests:

  • Use neem oil or insecticidal soap to control pests. These products are safe for use on citronella plants and can help to reduce pest populations.
  • Remove any heavily infested leaves or stems. This will help to prevent the spread of the infestation.
  • Encourage natural predators. Ladybugs and lacewings are natural predators that can help to keep pest populations in check.

Disease

Fungal diseases such as powdery mildew and leaf spot can cause a citronella plant to decline. Here are some tips for preventing and treating disease:

  • Provide good air circulation around the plant. This will help to prevent the growth of fungal spores.
  • Remove any infected leaves or stems immediately. This will help to prevent the spread of the disease.
  • Use a fungicide if necessary. Follow the instructions on the label carefully.

FAQ

What should I do if my citronella plant is completely wilted?

If your plant is completely wilted, it may be too late to save it. However, you can try watering it deeply and placing it in a shady location. If there are any healthy stems or leaves, you may be able to propagate a new plant from them.

Can I use citronella essential oil instead of a citronella plant?

While citronella essential oil is effective at repelling mosquitoes, it is not a replacement for a citronella plant. The plant contains additional compounds that contribute to its mosquito-repelling properties.

How often should I fertilize my citronella plant?

Citronella plants do not require frequent fertilization. You can fertilize once a month during the growing season (spring and summer) with a balanced fertilizer.

In conclusion, saving a dying citronella plant requires careful attention to watering, sunlight, pests, and disease. By identifying the problem and taking appropriate steps, you can bring your citronella plant back to life and enjoy its lemony scent and mosquito-repelling properties.