Uncovering the Causes of Brown Spots on Snake Plants

What Causes Brown Spots on Snake Plants?

Snake plants, also known as mother-in-law’s tongue, are a popular houseplant due to their low maintenance and striking appearance. However, many snake plant owners have noticed brown spots appearing on their plants. These spots can be unsightly and can even lead to the death of the plant if left untreated. So what causes these brown spots and how can they be prevented?

The Causes of Brown Spots on Snake Plants

There are several potential causes of brown spots on snake plants. The most common cause is sunburn, which occurs when the leaves of the plant are exposed to too much direct sunlight. Sunburn can cause the leaves to turn yellow or brown and may even lead to leaf drop if left untreated. Other causes of brown spots include overwatering, underwatering, nutrient deficiencies, pests, and diseases.

Preventing Brown Spots on Snake Plants

The best way to prevent brown spots from appearing on your snake plant is by providing it with the right amount of light and water. Snake plants prefer bright indirect light but should not be exposed to direct sunlight for extended periods of time as this can cause sunburn. When it comes to watering your snake plant, it’s important to let the soil dry out between waterings as overwatering can lead to root rot and other problems. Additionally, you should fertilize your snake plant every few months with a balanced fertilizer in order to ensure that it has all the nutrients it needs for healthy growth.

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Treating Brown Spots on Snake Plants

If you already have brown spots on your snake plant, there are a few things you can do in order to treat them. If the cause is sunburn, move your plant away from direct sunlight and make sure that it receives bright indirect light instead. If you suspect that overwatering or underwatering is causing the problem, adjust your watering schedule accordingly and make sure that you’re not over- or under-watering your plant in future. If pests or diseases are causing the problem, treat them with an appropriate pesticide or fungicide according to the instructions provided by the manufacturer.


Brown spots on snake plants can be unsightly and may even lead to death if left untreated. Fortunately, there are several steps you can take in order to prevent these spots from appearing in future such as providing your plant with adequate light and water as well as fertilizing it regularly with a balanced fertilizer. If you already have brown spots on your snake plant then there are treatments available such as moving it away from direct sunlight or treating pests or diseases with an appropriate pesticide or fungicide respectively.