Updated: July 22, 2023

If you have noticed small bugs crawling on your Nepeta plant, also known as catnip or catmint, you may be wondering what they are and if they pose any harm to your beloved plant. These little bugs can be quite common on Nepeta plants and understanding what they are and how to deal with them is essential for keeping your plant healthy. In this article, we will explore the different types of bugs that can infest Nepeta plants and discuss the best methods to control their population.

Aphids

One of the most common bugs that can be found on Nepeta plants is aphids. These small, soft-bodied insects are usually green, but they can also appear in other colors such as yellow or black. Aphids feed on the sap of plants by piercing the plant tissues with their mouthparts. Their feeding can cause significant damage to the leaves and stems of your Nepeta plant.

To identify aphids, look for clusters of small insects on the undersides of leaves or along the stems of the plant. You may also notice sticky honeydew, a substance excreted by aphids, which can attract ants or promote the growth of sooty mold.

To control aphids on your Nepeta plant, start by blasting them off with a strong stream of water from a hose. This method can help remove a significant portion of the aphid population. Additionally, you can introduce natural predators such as ladybugs or lacewings to your garden, as they feed on aphids. If the infestation persists, you may consider using an insecticidal soap or neem oil spray, following the product instructions carefully.

Spider Mites

Spider mites are another common pest that can infest Nepeta plants. These tiny arachnids are not actually insects but rather belong to the same family as spiders and ticks. They are usually reddish-brown or yellow and can be identified by the fine webbing they create on the plant.

Spider mites feed on the plant’s sap by puncturing the leaves with their mouthparts. As they feed, they can cause yellowing or bronzing of the leaves, stunted growth, and premature leaf drop.

Controlling spider mites on your Nepeta plant can be challenging due to their ability to reproduce quickly. Start by regularly spraying your plant with a strong stream of water to dislodge and remove the mites. You can also use insecticidal soap or neem oil spray to control their population. If the infestation becomes severe, you may need to resort to using a miticide specifically formulated for spider mites.

Thrips

Thrips are tiny insects that can also infest Nepeta plants. They are usually less than 1/20th of an inch long and range in color from pale yellow to dark brown or black. Thrips feed by scraping the surface of plant cells, causing damage to the leaves and flowers.

To identify thrips on your Nepeta plant, look for small, slender insects with fringed wings. You may also notice silvered or distorted leaves as a result of their feeding.

Controlling thrips can be challenging due to their ability to hide in flowers or within curled leaves. Start by removing any infested leaves or flowers and disposing of them properly. Introducing predatory insects such as minute pirate bugs or predatory mites can also help control thrip populations. In severe cases, you may need to consider using insecticides labeled for thrip control.

Whiteflies

Whiteflies are small, winged insects that commonly infest Nepeta plants. They are often found on the undersides of leaves and can be identified by their white, moth-like appearance when in flight.

Whiteflies feed on the sap of plants and can cause damage by extracting large amounts of sap and excreting honeydew. Their feeding can lead to leaf yellowing, stunted growth, and the development of sooty mold.

To control whiteflies on your Nepeta plant, start by physically removing the insects by gently shaking or brushing the plant. You can also introduce natural predators such as ladybugs or lacewings to help control their population. In cases of severe infestation, you may need to resort to using insecticidal soap or neem oil spray.

Prevention and Overall Care

Preventing bug infestations on your Nepeta plant is crucial for keeping it healthy. Regularly inspect your plant for any signs of pests and take prompt action if you notice an infestation. Additionally, providing your Nepeta plant with proper care can help it withstand potential pest attacks.

Ensure that your Nepeta plant is planted in well-draining soil and receives adequate sunlight. Water the plant regularly but avoid overwatering, as this can create a favorable environment for pests. Pruning your plant regularly can also help improve air circulation and reduce the risk of pest infestations.

In conclusion, if you have noticed little bugs crawling on your Nepeta plant, they could be aphids, spider mites, thrips, or whiteflies. These pests can cause damage to your plant if left unchecked. By identifying the specific pest and implementing appropriate control measures, such as using natural predators or insecticidal sprays, you can effectively manage these infestations and keep your Nepeta plant healthy and thriving. Remember to also practice prevention measures and provide proper care to minimize the risk of future pest attacks.