The root cause of your plant is hard to evaluate without a picture, but these reasons if your cactus is turning brown from the top, where the new growth is usually appearing, it might be infected with mites.
39+ Cactus Has Brown Spots. Cacti can turn brown, yellow or even purple for many different reasons. Brown spots on cacti can be caused by a wide range of problems, but environmental issues are usually the culprit.
Brown Spots On Cactus Plant Causes And Remedies Succulent Alley from succulentalley.com
I have started to notice brown spots on the side facing the window. Fortunately, this is not a death sentence for your plants. Scales are small insects that appear like brown spots on cacti because of their hard brown shell coverings.
Scales are small insects that appear like brown spots on cacti because of their hard brown shell coverings.
The cactus community on reddit. They don't outgrow their chosen locations in your home or their pots particularly quickly, are quite cheap to purchase (when young) and require only basic maintenance. While each cactus has different water requirements, there are a number of techniques you can use to larger cacti also have a a smaller surface area to volume ratio, which will decrease evaporation of the cactus will start to discolor. The scartches are all over my prickly pear cactus too but i spot no discoloration, and it's growing beautiful little cacti.
