Mix a teaspoon of dishwater liquid or any soap liquid in a pint of warm water. Spray it on and around the plants. If you have peppermint oil then add a few drops of this super-effective. Do this at night, and the next morning spray some fresh water just to remove the soap solution.
Just so, are ants harmful to potted plants?
Although ants are a nuisance, they do not actually cause any harm to potted plants. Ants are attracted to the sweet honeydew-esque excretions left by other pests that reside in the soil, such as aphids and mealybugs; fire ants like to make nests in potted plants and hide in the plants’ foliage.
Simply so, are ants bad for plants Australia?
Australian Ants and Their Benefits
Both play a generally positive role in the garden. They help to pollinate plants as they forage for nectar. They prey on some species of caterpillar and other pests. They work as part of nature’s garbage control system, removing dead animals, fallen foliage, and so on.