Updated: May 8, 2022

Eucalyptus plants are popular among gardeners and homeowners. They are aesthetically pleasing and have a range of medicinal properties. However, they often attract ants, which can be detrimental to the health of the plant. Ants not only feed on the sap of the eucalyptus plant but also protect other pests like aphids, mealybugs, and scales that can damage the plant. In this article, we will discuss how to get rid of ants on eucalyptus plants.

Identify the ant species

Ants are social insects that live in colonies. The colony consists of a queen, workers, and soldiers. The ant species that infests eucalyptus plants are usually sugar ants or Argentine ants. Sugar ants are attracted to the sweet sap of eucalyptus plants, while Argentine ants farm aphids for their honeydew.

Use natural remedies

There are several natural remedies that you can use to get rid of ants on your eucalyptus plants.

1. Vinegar solution

Mix equal parts of water and vinegar in a spray bottle and spray it on the affected areas of the plant. Ants hate the smell of vinegar and will avoid it.

2. Cinnamon powder

Sprinkle cinnamon powder on the affected areas of the plant. Cinnamon is a natural ant repellent and will keep them away from the plant.

3. Diatomaceous earth

Sprinkle food-grade diatomaceous earth around the base of the plant. Diatomaceous earth is made up of tiny fossilized organisms that have sharp edges that can cut through the exoskeletons of ants, killing them.

Use insecticides

If natural remedies do not work, you may need to use insecticides to get rid of ants on your eucalyptus plants. Use insecticides that are specifically designed for ants and follow the instructions carefully.

Prevent future infestations

Preventing future ant infestations is crucial to the health of your eucalyptus plant. Here are some preventive measures you can take:

  • Keep the plant clean and free from dead leaves and debris. Ants love to nest in cluttered areas.
  • Remove nearby sources of food like fallen fruit, sweet liquids, and honeydew-producing insects.
  • Apply a sticky barrier like Tanglefoot around the base of the plant to prevent ants from climbing up.

By following these preventive measures, you can keep ants away from your eucalyptus plant and ensure its health.

FAQ

Are ants harmful to eucalyptus plants?

Yes, ants can be harmful to eucalyptus plants. They feed on the sap of the plant and protect other pests like aphids, mealybugs, and scales that can damage the plant.

Can I use bleach to get rid of ants on my eucalyptus plant?

No, bleach is not recommended as it can harm the plant. Use natural remedies or insecticides specifically designed for ants.

How often should I apply insecticide to get rid of ants on my eucalyptus plant?

Follow the instructions on the insecticide label carefully. Generally, you should apply insecticide every 7-10 days until the ant infestation is under control.

In conclusion, getting rid of ants on your eucalyptus plant requires identifying the ant species, using natural remedies or insecticides, and taking preventive measures to prevent future infestations. By taking care of your eucalyptus plant, you can enjoy its beauty and medicinal properties for years to come.