Black Spots on Succulent: Reasons & How To Fix

One’s biggest nightmare as a flower lover is to observe your flower blossom exceptionally well one week, only to discover them withering the next.

Here, we’re dealing with a pair of succulent plants that are excellent for purifying the air of harmful substances and even raising humidity levels in a house or office.

I can’t lie; as an indoor plant, I truly appreciate this one particular plant.

It does, however, worry you a little since if you don’t take care of it for even a brief period of time, it will undoubtedly catch the “disease” of black spots.

Make sure you read all the way to the end because we will go into more detail about Black Spots on Succulents.


What Causes Black Spots and How Do You Treat Them?

Yes, black spots on succulents are a common disease among them as they appear pretty frequently.

The good news is that it can be treated if discovered at an early stage. The challenge is that it can be difficult to identify when black spots are starting to appear. Hopefully, I will make things easier for you.

There are a few things that can lead to those blackspots, but it will be challenging to find the culprit.

Nevertheless, let’s see those factors that cause this disease in our beloved succulents.

Overwatering Your Succulent

Succulents are a type of plant that dislikes being submerged in water or watered continuously because doing so may cause them to decay, which is something we don’t want.

Once they rot, the black spots appear, so make sure you only water them when they feel dry and just let them sit in the sun.

Solution?
If you notice black dots on your plant as a result of overwatering, wait until it has dried out before giving it another “drink”. You may also need to repot your plant.


Sunburn on Your Succulent

Check if the black spots appeared at the top of your succulents to determine if they were brought on by sunburn.

While sunshine is beneficial to plants, excessive exposure to it can harm all plants, not only succulents, and, in the worst-case scenario, lead a plant to melt.

Solution?
Simply water it normally and avoid placing it directly in the sun to fix this; you don’t want the sun to strike it directly.


Chemical Burn on Your Succulent

Another symptom that could lead to a black mark on succulents is a chemical burn.

Black spots will start to emerge on your plant if you fertilize it incorrectly or excessively since the chemicals will start to burn the leaves and stems.

Make sure you use caution when applying the fertilizer.

Solution?
If the chemical burn is the culprit, you should relocate the plant away from the problem area, care for it by providing regular watering until the dots start to disappear, and avoid using the same chemical again.


Fungal Infection On Your Succulent

Another of the main causes of black spots is fungus infections. There are several distinct versions of this treatment, depending on which approaches work best for you.

Neem oil worked for me; it will defend against black spots, powdery mildew, and other diseases equally.

Solution?
There are many different products available to fight fungus infections, so absolutely, in addition to neem oil, you can consider other options.


Extreme/Low Temperatures On Your Succulent

While the intense sun can result in sunburns and leave black spots on the succulent, low temperatures, or more specifically, freezing temperatures, are not much better either.

Black patches can also result from cold temperatures, which most people refer to as frost damage.

Solution?
All you need to do to fix this is relocate your plant to a warmer location where it won’t be exposed to the cold.


Insect and Pests On Your Succulent

Pests and insects could also cause black spots to develop.

We’re all aware that insects like to crawl on plants, so if you see holes in your plant’s leaves, there’s a good probability that insects have gained control of them and are now infesting the stem.

Typically, you need to keep an eye out for aphids, mealybugs, spider mites, and snails.

Solution?
Use organic pesticide if possible; it typically comes from natural sources and is quite effective at keeping pests under control. It contains elements derived from plants, minerals, and microorganisms, so the succulent won’t be harmed.


Trauma On Your Succulent

Trauma, indeed, for some people This may seem like a bizarre word, but it’s true.

Your plant may get blackspots as a result of falling or being knocked over; this is referred to as a trauma; the plant is “physically injured.”

If your succulent was recently dropped and black spots started to form, you already know where they came from.

Solution?
If you suspect trauma is the cause, you must immediately cut and remove the dead tissues. Grab your knife or other cutting tool, and carefully remove any unhealthy leaves while keeping only the good ones. Use an old paintbrush to apply a thin layer of organic sulfur powder once the black areas have been eliminated.


Final Words

Well, the saying that “To plant a garden is to believe in tomorrow” is kind of true.

Having a succulent, especially a healthy one, will surely make you happy besides polluting the air and making your office or home look good.

So please make sure you look after it. I am well aware that black spots can totally ruin your flowers and your mood, hence I tried my best to introduce you to the most prominent causes and solutions to each of them.

I sincerely hope I was useful and you were able to save your succulent.

So yeah, life is too short to buy more and more houseplants.

Enjoy it until next time!

Further Reading

There are some more interesting flower blogs you can read if you liked this one.

One of them would be the life cycle of an aloe vera plant, and regarding your cactus, you will find why it is so hairy or why your cactus is so squishy.

There’s also a list of some amazing retractable hoses.

Ella Holmes

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