Updated: August 25, 2022

Coriander is a popular herb that is used in many dishes for its unique flavor and aroma. However, it is vulnerable to caterpillar attacks, which can damage the plant and reduce its yield. Caterpillars are the larval stage of moths and butterflies, and they feed on the leaves and stems of coriander plants. In this article, we will discuss how to get rid of caterpillars on coriander plants.

Identify the Caterpillars

The first step in getting rid of caterpillars on coriander plants is to identify them. Caterpillars come in different sizes, shapes, and colors, so it’s important to know what you’re dealing with. Some common types of caterpillars that attack coriander plants include:

  • Tomato hornworm
  • Cabbage looper
  • Cutworm
  • Armyworm
  • Diamondback moth larva

Natural Ways to Get Rid of Caterpillars

There are several natural ways to get rid of caterpillars on coriander plants, which are safe for both the plant and the environment. Here are some effective methods:

Handpicking

Handpicking is the simplest method of removing caterpillars from coriander plants. Look for the caterpillars on the leaves and stems of the plant, and remove them by hand. Wear gloves while doing this to avoid contact with the caterpillar’s spines or hairs.

Neem Oil

Neem oil is a natural insecticide that can repel caterpillars from coriander plants. Mix one tablespoon of neem oil with one liter of water and spray it on the plant’s leaves and stems. Repeat this every two weeks until the caterpillar infestation subsides.

Garlic Spray

Garlic has natural insecticidal properties that can repel caterpillars from coriander plants. Crush a few garlic cloves and mix them with one liter of water. Let the mixture sit for a day, strain it, and then spray it on the plant’s leaves and stems.

Chemical Ways to Get Rid of Caterpillars

If the natural methods don’t work, you can use chemical insecticides to get rid of caterpillars on coriander plants. However, it’s important to use them carefully and follow the instructions on the label. Here are some effective chemical insecticides:

Bacillus Thuringiensis

Bacillus thuringiensis is a natural bacteria that can kill caterpillars without harming other insects or animals. Mix one tablespoon of Bacillus thuringiensis with one liter of water and spray it on the plant’s leaves and stems. Repeat this every two weeks until the caterpillar infestation subsides.

Permethrin

Permethrin is a chemical insecticide that can kill caterpillars and other insects. Mix one tablespoon of permethrin with one liter of water and spray it on the plant’s leaves and stems. Repeat this every two weeks until the caterpillar infestation subsides.

FAQ

Are caterpillars harmful to coriander plants?

Yes, caterpillars can damage coriander plants by feeding on their leaves and stems.

How can I tell if my coriander plant has a caterpillar infestation?

Look for chewed leaves, holes in leaves, or frass (caterpillar poop) on the plant.

Are natural insecticides safe for humans?

Yes, natural insecticides are safe for humans when used as directed.

Can I use chemical insecticides on my coriander plants?

Yes, you can use chemical insecticides on your coriander plants, but be sure to follow the instructions on the label and use them carefully.