Can Ants Kill Plants in Pots?

Ants are a common sight in our homes and gardens. While they may seem harmless, there is a belief that ants can harm or even kill plants in pots. In this article, we will explore whether this belief is true, and if so, how to prevent it.

What Do Ants Do to Plants?

Ants are known to be attracted to the sugary substances produced by the roots of plants. Some species of ants will even farm aphids, which secrete honeydew that the ants feed on. However, it is a misconception that ants feed on the plants themselves. In reality, the damage caused by ants to plants is indirect.

When ants build their nests near potted plants, they may disturb the roots while excavating tunnels. This can result in reduced water and nutrient uptake by the plant, which can weaken it over time. Ants may also create soil mounds around the base of the plant, which can interfere with its growth and lead to dehydration.

In addition, because ants are attracted to honeydew, which is produced by sap-sucking insects like aphids, they may protect these insects from natural predators, such as ladybugs. This can result in an increase in the population of these pests, which can further harm the plant.

How to Prevent Ants from Harming Plants in Pots?

The good news is that preventing ants from harming plants in pots is relatively simple. Here are some tips:

Keep Plants Clean:

Regularly inspect plants for pests and remove any dead leaves or flowers. This will reduce the likelihood of attracting sap-sucking insects like aphids, which are a food source for ants.

Use Ant Traps:

You can purchase ant traps from a garden center or make your own by combining borax and sugar water. Place the traps around the base of the plant to lure ants away from it.

Apply a Barrier:

Coat the base of the pot with petroleum jelly or another sticky substance to prevent ants from climbing up to the plant. You can also place a ring of diatomaceous earth around the base of the pot, which will scratch the exoskeleton of ants and kill them.

Conclusion

In conclusion, while ants themselves do not harm plants in pots, they can indirectly harm them by disturbing the roots and protecting sap-sucking insects from predators. By keeping plants clean, using ant traps, and applying a barrier, you can prevent ants from harming your plants.

Remember to regularly monitor your plants and take action if you see any signs of ant activity. With proper care and diligence, you can ensure the health and longevity of your potted plants.