Holes in Squash Leaves: Reasons and Solutions

Do you have a squash plant in your garden that is losing leaves at an alarming rate? Are there holes in the leaves? If so, don’t worry, you’re not alone. This is a common problem with squash plants, and there are several reasons why it might happen.

In this blog post, we will discuss the causes of holes in squash leaves, and we will also provide some solutions to help you fix the problem.

Why Are There Holes in My Squash Leaves?

There are holes in your squash leaves because pests are eating them. The most common pests that eat squash leaves are squash vine borers, squash bugs, aphids, cutworms, and beetles. These are just some of the most common pests, but there are many others that can cause problems for your squash plants.

There’s a good chance you didn’t even know you had a problem until you noticed the holes in the leaves. That’s because these pests are usually hidden from view. They might be hiding in the soil, on the underside of leaves, or in the crevices of stems.

Take a closer look at your squash plants and see if you can find any of these pests. You may need to use a magnifying glass to get a good look. If you find any pests, you’ll need to take action to get rid of them.

How to Treat Squash Leaves with Holes?

To treat your squash leaves with holes, you’ll need to get rid of the pests that are causing the problem. The best way to do this is to use an insecticide. There are many different types of insecticides available, so be sure to read the label carefully and choose one that is specifically designed for the type of pest you’re dealing with.

My go-to method for dealing with pests is neem oil (Amazon link). It’s an all-natural product that is made from the neem tree. Neem oil is effective against a wide variety of pests, and it’s safe to use around children and pets.

To use neem oil, mix it with water according to the instructions on the bottle. Then, using a spray bottle, apply the mixture to your squash plants. Be sure to get the undersides of the leaves, as this is where many pests like to hide.

Continue to monitor your squash plants and reapply the neem oil as needed. With a little persistence, you should be able to get rid of the pests and stop the holes from appearing in your squash leaves.

How to Keep Pests Away From Squash Leaves?

To prevent pests from eating your squash leaves, you’ll need to take some preventive measures.

One of the best things you can do is to keep your garden clean. This means removing any dead leaves or debris that might be lying around. Pests like to hide in these places, so by getting rid of them, you’ll make your garden less inviting to them.

You should also consider using row covers to keep pests away. Row covers are placed over the plants and help to create a barrier between them and the pests. This can be an effective way to keep pests away, but it’s important to make sure that the row covers are properly secured so that the pests can’t get in.

Be proactive by using neem oil or other products to prevent pests from taking over your squash plants. By taking these measures, you’ll be able to keep your squash leaves healthy and free of holes.

What Else Causes Holes in Squash Leaves?

Pests are not the only things that can cause holes in squash leaves:


There are several diseases that can cause holes in squash leaves. The most common are powdery mildew and downy mildew. These diseases are caused by fungi that live on the surface of the leaves. They cause the leaves to develop a white or gray powdery substance, and eventually, the leaves die.

To prevent these diseases from taking over your squash plants, be sure to water them at the base of the plant and not on the leaves. This will help to prevent the fungi from getting on the leaves in the first place. You should also remove any affected leaves as soon as you see them.


If you have squirrels, rabbits, or other animals in your garden, they might be the ones responsible for the holes in your squash leaves. These animals are known to eat the leaves of squash plants, and they can do a lot of damage in a short amount of time.

To keep these animals away from your squash plants, you’ll need to take some preventive measures. One thing you can do is erect a fence around your garden. This will help to keep the animals out. You can also try using deterrents, such as mint plants or bright lights.

Should I Prune Squash Leaves with Holes?

It’s not a requirement, but pruning your squash leaves can help to improve the overall health of the plant. If you have a lot of leaves with holes, it’s a good idea to remove them. This will allow the plant to focus its energy on producing new, healthy leaves.

To prune your squash plants, simply cut off any affected leaves at the base of the plant. Be sure to dispose of the leaves in a garbage bag so that the pests don’t spread to other plants.


As we have seen, there are several reasons why squash leaves might develop holes. The most common cause is pests, but diseases and animals can also be responsible. Whatever the reason, it’s important to take action to prevent the problem from getting worse.

If you have holes in your squash leaves, consider using neem oil or row covers to keep pests away. You should also prune any affected leaves to help the plant focus its energy on producing new, healthy leaves. By taking these measures, you’ll be able to keep your squash plants healthy and free of holes.

Do you have any other tips for preventing holes in squash leaves? Let us know in the comments below!

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