Caterpillars are very common pests in gardens. They have been found to cause damage to many types of plants. Some of them are harmless while others may be harmful or even deadly. There are several ways to prevent caterpillars from eating your plants, but there is no sure way. The best thing you can do is to take steps so they don’t attack at all!

How To Prevent Caterpillars From Eating Your Plants?

The first step is to make sure you have enough food for your caterpillars. You need to feed them every day, because if not, they will become weak and unable to survive. If you don’t feed them regularly, then they won’t eat at all and eventually die. Feeding your caterpillars with milkweed leaves (or other plant parts) is one of the easiest ways to ensure their survival when feeding time comes around.

You can buy milkweed leaves at any garden center. Milkweed leaves are available in various colors such as white, pink, yellow, red and purple. You can also grow your own milkweed plants in pots or containers.

Milkweeds are easy to grow and you only need some basic gardening skills to get started. You only need to water the plants and keep them in a warm and sunny place. If cared for properly, the plants can grow very large over time. This makes it much easier to get enough leaves to feed your caterpillars.

If you cannot find any milkweed plants or if they are out of season, then you can use other types of plants instead. You should also provide fresh water for your caterpillars everyday as well.

You should also monitor the condition of the caterpillars on a regular basis. This way, you will notice if anything is wrong with them. For example, if any of them look sick or start to behave strangely, then you should isolate them immediately.

You need to take them out of the main tank and put them in a separate container. Do not put any more caterpillars in this container; otherwise, they will all become sick and eventually die.

What Should You Do If Your Caterpillars Get Sick?

If you start to see any sickly looking caterpillars, then you should take action immediately. Examine the entire tank and remove any caterpillars that look like they are sick. Also throw away any of the food that has been contaminated. You should throw it into a sealed bag and put it in the trash. Wash your hands after touching anything that may have come into contact with the infected caterpillars.

Once you have removed all of the sickly looking caterpillars and the contaminated food, you can put healthy caterpillars back into the container. Put them on fresh, clean food and leave them in a warm place for them to eat.

Sterile The Environment To Prevent Sickness

One way of preventing any diseases from forming is to sterilize everything in the tank. Use a mixture of water and alcohol and pour it into a container with a lid. Soak a washcloth in this liquid and wipe down everything in the tank, including the container, lid, food bowl and anything else that may have come into contact with the caterpillars.

Use Disinfectant To Prevent Any Cross-Contamination

You can also use disinfectant on everything that comes into contact with your caterpillars. This includes the container, food bowl and your hands. Make sure you wear disposable gloves at all times to prevent the spread of disease.

How To Prevent Caterpillars: Controlling Caterpillars In The Garden - Image

Preventing Disease Takes A Lot Of Work And Attention, So It’s Up To You To Decide If This Is Worth It

While preventing disease is very important for the health of your caterpillars, it does take up a lot of your time and energy. If you think that you will not have the time or patience to go through all these measures, then raising monarch caterpillars may not be for you.

Raising caterpillars is not an easy thing to do. It takes a lot of work, time and attention, so only do it if you are committed to the cause. Not everyone is cut out for this type of thing, so only do it if you really want to.


Monarchs are fascinating creatures that are absolutely wonderful to see in person. Raising them from caterpillars to butterflies is very rewarding, but it does take a lot of time and patience. If you have the time to do so, then raising monarch caterpillars can be a very fun and interesting experience.

Be sure to care for your caterpillars well and they will reward you with beautiful butterflies!

Sources & references used in this article:

Caterpillars in the field and garden: a field guide to the butterfly caterpillars of North America by TJ Allen, JP Brock, JP Brock, J Glassberg – 2005 –

Direct and indirect effects of predatory wasps (Polistes sp.: Vespidae) on gregarious caterpillars (Hemileuca lucina: Saturniidae) by NE Stamp, MD Bowers – Oecologia, 1988 – Springer

Marijuana pest and disease control: how to protect your plants and win back your garden by E Rosenthal – 2012 –

Defensive posture and eyespots deter avian predators from attacking caterpillar models by TJ Hossie, TN Sherratt – Animal Behaviour, 2013 – Elsevier

Managing soybean insects by IM Eliot – 1921 – Century

Pests, Parasites, and Positionality: Anna Letitia Barbauld and” The Caterpillar” by DH Gouge, AE Knutson… – Texas FARMER …, 1999 –

Managing soybean insects. by AGD Otter – Studies in Romanticism, 2004 – JSTOR



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