Will mushrooms hurt my tomato plants?

If you suddenly find fungi that appear among your tomato plants, you may need to take care of the health of your garden. Mushrooms themselves are simply the flowers of a mushroom.


only bloom when conditions are warm and humid. In and of themselves, mushrooms are not a threat to tomatoes.

However, they might not be something you want to see every day. Fungi that grow under tomato plants will not cause any damage to the plant. They can be removed with a shovel, but remember that what you see above the ground are the fruiting bodies. The rest of the fungus grows underground, creating a network between the soil, plant bacteria, and other fungi.

Your tomato plant is growing mushrooms because the soil is moist. Moist soil mixed with warm, humid air is perfect for fungi to thrive. While these fungi are not a cause for concern alone, moist soil can be. Fungi do not harm the tomato plant, but by the time they emerge, deeper problems can negatively affect the plant.

Tomatoes like sunlight, so make sure they're inside a greenhouse or against a sunny wall or fence in your backyard so they can enjoy at least five hours of daylight every day. If you added topsoil, compost, or stale manure to your tomato garden, it's likely that they already had fungal spores. Mushrooms are one of nature's biggest decomposers, breaking down wood quickly and efficiently into rich and incredible fertile mushroom compost. Your tomato plants will be vulnerable to flower end rot if the calcium level in the soil is not high enough, so introducing this additive soon will help protect your crop.

However, if the soil is too humid and there is a lot of sun, the environment around the plant can feel damp and allow fungi to sprout. Remember that fungi are the fruits, so to speak, of the fungus and not a large part of the whole organism. Fungi that grow near tomatoes can be a sign that something is wrong with growing conditions. You should ensure that the tomato plant receives at least 6-9 hours of sunlight, especially when you expect to fry the soil.

Check that your tomatoes may be showing symptoms of stress and see if there may be any problems with the soil. Once you know what to look for, it's easy to keep an eye on the potential of fungi growing on the soil of your tomato plant, which means you can decide what to do about it quickly. Seeing a mushroom colony booming under your tomato plant may seem strange or potentially alarming, but you have nothing to worry about. Tomato plants start as seedlings, but when they have started to sprout and are about three or four inches tall and begin to bloom, you should transfer them to larger pots (about nine inches in diameter) or even put them in a “grow bag,” which is a plastic bag with a mixture of topsoil and fertilizer.

Fungi will occur naturally in the soil and you will see fruiting bodies or fungi when weather conditions are right. I just noticed that there are fungi and a layer of white fungus growing at the base of some of the plants. Allowing the soil to dry out a bit between waterings will discourage fungal growth, but they're not a big deal.

Erika Shipley
Erika Shipley

Subtly charming beer nerd. Extreme internet specialist. Devoted travel junkie. Proud coffee maven. Friendly problem solver.