Brown Spots On Mint Leaves

Brown Spots On Mint Leaves (5 main Causes & Solutions)

Mint has a place among the prominent spices all over the planet for its menthol flavor and fruity smell. They are not difficult to develop and can foster beyond what you could expect. Mint practically grows itself. They require minimal care and will brighten your garden with its tiny purple, pink or white flowers. Every now and again, mint leaves will turn brown for a variety of reasons.

Nonetheless, brown spots on mint leaves is a hindering factor limiting its optimal health. In any case, there will consistently be a few cases where mint leaves go brown because of a few variables. In this post, you will see a portion of why your mint leaves are becoming brown and how you can treat them. Read on to learn more about brown stains on mint leaves.

Brown Spots On Mint Leaves

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Mint is noted for its ability to thrive because it is easy to grow and thrives in remote locations. In any event, you may have a problem if you notice browning in your mint leaves. The sooner you fight this, the more likely you will save your plant paradise.

Mint leaves become brown because of low stickiness, inappropriate watering, and conditions like infectious diseases. The more uncertain reasons could be supplement lack, heat searing, restricted roots, or maturing.

To fix this, have a go at keeping your plant clouded through a humidifier, water it consistently, and use a fungicide to stay away from these issues later on. It very well may be hard to think about the issue causing the browning in your mint plant.

You should keep a constant eye on your plants to notice any changes in their synthesis. Regarding changes in leaf tone, many elements become possibly the most important factor. It can either be an issue with the plant’s sustenance, fumble, or it’s enduring an attack by some sort of parasite or bug.

To be more explicit, here are the potential justifications for why your cherished mint leaves are becoming brown.

Earthy Colored Spots On Underside And Yellow Splotch On Top

For this situation, your mint leaves have dark or earthy colored spots on the underside, alongside yellow dabs, splotches on the top part. This is bound to occur in late winter. In addition, these manifestations may have advanced into turning brown leaves and dropping them off in the long run. 

At the point when it’s late in spring or summer, there will be a re-development of these dropped leaves. However, they will, in any case, contain dim/earthy colored spots in them.

Mint Rust Fungus 

If you’ve tracked down similarities to the previously mentioned indications, your mint plant is likely experiencing a contagious intrusion called Min Rust Fungus. It’s likewise called Puccinia methane, which attacks as mints like peppermint, spearmint, and so forth. 

Parasitic Diseases Of Mint Cause Brown Leaves

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Mint, like other plants, is powerless in the face of sickness. Mint is predisposed to parasite problems because it thrives in shady areas to collect moisture. As a result, mint plants are continuously infected by mint rust. When water sits on the plant for longer periods, it grows.

Because mint prefers remote locations, it’s an incredible coincidence that organisms develop and induce browning on your mint leaves!

Growth discharges spores which make it an incredibly infectious sickness. Along these lines, you should dispose of the contaminated plant totally and attach it to a plastic pack to keep it from delivering spores that might assault neighboring plants.

Ill-Advised Watering

Watering can be a difficult assignment when you have a plant that you’re new to. Inappropriate watering comprises of two divisions: overwatering and underwatering. 

Too extreme or too little water can influence the tissues that make up the plant. The tissues and cells that make a plant’s design hold water to supply the plant with supplements. Altogether, for your mint to flourish, you need to see it as the “perfect balance” for its water supply. 

Plants, like people, require relaxation. Too much water in the ground depletes the oxygen needed to “relax” properly when there is too much water. The plant will suffocate if it is overwatered.

If your mint doesn’t get enough oxygen to manufacture vitamins for itself, it will die. Underwatering prevents the mint from getting enough moisture to keep itself alive.

Lacking Humidity

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It’s crucial to keep a plant in a humid environment. To thrive, each plant requires a certain level of moisture apparent all around it. Your mint will shrink due to the dry, suffocating air, and the leaves will evaporate, turning brown. If you reside in a dry climate or a cooler time of year, you may need to consider this a problem.

Whether your plant is indoors or outdoors, the winter air can be drying. On the edges of the leaves, you might notice a dangling, earthy-colored wreck. The entire leaf will begin to turn a yellowing/earthy color tone before long.

Learn more from a different post: White Spots on Basil Leaves


Now, you know brown spots on mint leaves. Mint loves damp and depleted soil. You can use a prepared blend of peat greenery and other natural components to advance excellent seepage because it’s best packed in a compartment. It is also beneficial to add fertilizer to the soil because it is a good nitrogen source and helps good water seepage.

Frequently Asked Questions

Would you be able to eat mint with mint rust?

Mint that has been contaminated with rust can’t be eaten. So ultimately, the leaves will pass on and drop off, and the plant growth will be hindered.

For what reason are my mint leaves becoming brown and yellow?

This fine organism appears on the underside of leaves as yellow, orange, or earthy colored spots. As the mint rust spreads, it makes leaves kick the bucket and drop off. The contagious spots ultimately become dark and deliver spores that tumble to the ground or carry on the breeze.

How would you treat organisms on mint?

Mix one tablespoon baking soda and one-half teaspoon non-cleansing fluid with one gallon of water, then spray the mixture liberally on the plants—then mouthwash. Mouthwash, which you may use regularly to eliminate bacteria in your mouth, can also be used to kill fine mold spores.

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