Updated: October 3, 2022

Celosia plants are beautiful and vibrant, but they can attract unwanted pests like ants. Ants are attracted to the sweet nectar produced by the celosia flowers and will often make their homes in the soil around the plant. While ants themselves may not cause harm to the plant, their presence can lead to other issues such as aphids and mealybugs. Here are some tips on how to get rid of ants on celosia plants.

Identify the Type of Ants

Before you begin any form of treatment, it is essential to identify the type of ants you are dealing with. There are several types of ants, and each requires a different approach for treatment. Some ants, like carpenter ants, create tunnels in wood and can cause structural damage to your home or outdoor structures. On the other hand, odorous house ants, Argentine ants, and pavement ants tend to invade homes and gardens in search of food.

Natural Remedies

If you prefer natural remedies, there are a few options available to control ant infestations in your celosia plant. Here are some natural remedies that can be used:

  • Diatomaceous earth: This powder is made from fossilized remains of tiny aquatic organisms called diatoms. When sprinkled around the base of your celosia plant, it dehydrates and kills ants.
  • Cinnamon: Cinnamon is an excellent ant repellent because it is toxic to them. Sprinkle cinnamon around the base of your plant to keep ants at bay.
  • Vinegar: Ants hate the smell of vinegar. Mix equal parts vinegar and water and spray it around your plant’s base.

Chemical Treatments

If natural remedies do not work for you, you may need to consider chemical treatments. Here are some commonly used chemicals:

  • Insecticidal soap: This soap is made from fatty acids and is safe for plants. It works by suffocating the ants and disrupting their cell membrane.
  • Boric acid: Boric acid is a slow-acting poison that can be mixed with sugar water to attract ants. It damages their digestive system and eventually kills them.
  • Ant baits: Ant baits contain a slow-acting poison that the ants will carry back to their colony. It is essential to place the bait in areas where the ants frequently travel.

Preventive Measures

Preventing ant infestations in your celosia plant is not an exact science, but there are a few things you can do to make it less attractive to them:

  • Trim back any overhanging branches or plants: Ants often use these as bridges to get to your celosia plant.
  • Keep your garden clean: Remove any debris, dead leaves, or other organic matter from around your plant. Ants are attracted to decaying material.
  • Remove aphids: Ants are attracted to honeydew, a sweet and sticky substance produced by aphids. If you have an aphid problem, it is essential to get rid of them first.


Can ants harm my celosia plant?

Ants themselves do not cause harm to celosia plants. However, their presence can lead to other issues such as aphids and mealybugs.

Will vinegar kill my celosia plant?

No, vinegar will not harm your celosia plant. However, it may affect other plants around it.

How often should I apply insecticidal soap?

For best results, apply insecticidal soap every 7-10 days or as needed.

How long does boric acid take to work?

Boric acid is a slow-acting poison and may take several days or weeks to work.

In conclusion, ants can be a nuisance to your celosia plants, but they can be controlled using natural remedies or chemical treatments. Preventing ant infestations is also possible by keeping your garden clean and trimming back overhanging branches. By following these tips, you can enjoy your beautiful celosia plants without worrying about ant infestations.