Updated: December 10, 2022

Clematis is a beautiful flowering plant that adds color and life to any garden. However, it is not immune to pest infestations, and ants are one of the most common insects that can cause harm to the plant. Ants are attracted to clematis plants because they secrete a sweet substance called honeydew, which is produced by aphids that feed on the plant’s sap. The presence of ants on clematis can lead to damage to the leaves, buds, and flowers. In this article, we will discuss some effective ways to get rid of ants on clematis plants.

Identify the Ant Species

Before you take any action against ants on your clematis plant, it is important to identify which species of ants you are dealing with. Different ant species have different behaviors and require different treatments. For example, some ant species feed on plants, while others only invade homes and gardens in search of food or water.

Use Natural Remedies

One of the easiest ways to get rid of ants on clematis plants is by using natural remedies. Here are some natural solutions that you can try:

  • Diatomaceous Earth: Sprinkle diatomaceous earth around your clematis plant. This substance is made from fossilized remains of aquatic organisms and has sharp edges that cut through the exoskeleton of ants, causing them to dehydrate and die.

  • Vinegar Solution: Mix equal parts of water and vinegar in a spray bottle and spray it directly onto the ants. Vinegar disrupts the ants’ pheromone trails, making it difficult for them to communicate and find their way back to the colony.

  • Essential Oils: Certain essential oils like peppermint, cinnamon, and tea tree oil have insecticidal properties that repel ants. Dilute a few drops of essential oil in water and spray it around the base of your clematis plant.

Use Insecticides

If natural remedies do not work, you may need to resort to insecticides. Here are some insecticides that are effective against ants:

  • Boric Acid: Mix boric acid with sugar and water to create a bait that ants will take back to the colony, killing them off. Be sure to keep the bait away from pets and children.

  • Pyrethrin: Pyrethrin is a natural insecticide that is derived from chrysanthemum flowers. It is effective against ants and other insects, but it may harm beneficial insects like bees and butterflies.

  • Neonicotinoids: Neonicotinoids are a type of systemic insecticide that are absorbed by the plant’s tissues and kill insects when they feed on them. However, they have been linked to bee deaths and are harmful to other beneficial insects as well.

Prevent Future Infestations

Prevention is key when it comes to controlling ant infestations. Here are some preventive measures that you can take:

  • Prune Your Clematis Plant: Prune your clematis plant regularly to remove dead or damaged branches, which can attract ants.

  • Remove Aphids: Keep an eye out for aphids on your clematis plant and remove them promptly using a strong jet of water or by applying insecticidal soap.

  • Keep the Area Clean: Clean up fallen leaves, debris, and other organic matter around your clematis plant. Ants are attracted to decaying matter, so keeping the area clean will discourage them from coming around.

FAQ

Are ants harmful to clematis plants?
Yes, ants can cause damage to clematis plants by feeding on them, protecting aphids that feed on the plant’s sap, and spreading diseases.

Can I use insecticidal soap to get rid of ants on my clematis plant?
Insecticidal soap can be effective against ants, but it may harm beneficial insects like ladybugs and lacewings. Use it sparingly and only when necessary.

How long does it take for diatomaceous earth to work?
Diatomaceous earth can take several days to a week to work, depending on the severity of the ant infestation.

Can I use neonicotinoids on my clematis plant?
Neonicotinoids are harmful to bees and other beneficial insects and should be used with caution or avoided altogether.