There are several reasons due to which a cactus turns yellow. I recently bought these 2 cacti and placed them in the same pot. In this section, we discuss some of the top causes of this problem. If a cactus is moved from moderate light to intense light, it may get scorched by the sun. The rest of the barrel cactus ooks fine. Does purring tire cats? Asked October 12, 2016, 10:28 AM EDT. Conundrum: High pass filter passes DC? The amount of light your cactus needs depends on the kind of cactus you have. So if this is happening to your little one, the best thing you can do is remove it from the substrate where it currently is. 3. Root rot. Schlumbergera are characterized by fleshy segmented stems, called cladodes, that are often mistaken for leaves. Lack of Nutrients: If the plant doesn’t get proper nutrient from the soil, it can turn yellow. Saguaro with termites Sometimes, a cactus can turn yellow, and it’s disheartening to watch, but you don’t need to worry. Why Is My Cactus Turning Brown? A cactus turns yellow due to overwatering or low light. However, you can judge the light it needs by monitoring it for discoloration. A scorched cactus produces a discolored ring around the top, that will become permanent. I started wondering what was causing the discoloration in the leaves. By the time I realized my Mexican fence post was getting too much sun, it had turned yellow with brown scarring on its tips. Move the Christmas cactus to a pot one size larger. Your plant looks like it will survive if you can provide the irrigation although time will tell. Inadequacy of light: Due to scorching sun, a cactus can turn yellow. Cactus turning yellow and shriveling from bottom to top. The Mexican post is turning yellow on one side and the barrel cactus has "lines" on one area. When we see our cactus turning yellow at base, it is usually due to overwatering. Hot Network Questions Formally, what is AES? Frostbitten cactus, turning yellow and black, can it recover? To shield my new cactus, I should have bought an inexpensive mesh shade netting that would have protected my cactus from UV radiation. There are also other reasons such as insect or bug infestation, the wrong type of soil, and lack of proper nutrients. 35+ year old cactus turning yellow. With an understanding of why the stem segments of a Christmas cactus may shade to yellow, you can evaluate it and take action. Cactus turning yellow. I have been trying to make my Christmas cactus bloom, but my plant also recently started getting yellow leaves instead of the bright green ones that it is supposed to have. If you notice your Christmas cactus leaves turning yellow, consider the following possibilities: Time to repot – If the container is packed tightly with roots, the Christmas cactus may be potbound. If the base of your cactus plant is turning brown and the stem is soft and yellow, the problem could be root rot. Cacti turning orange or yellow have had too much light exposure. Wet soil: If the soil doesn’t dry easily, it can make your cactus rot. What's the … In result, the cactus turns yellow. Cacti turning orange or yellow have had too much light exposure. 2. As it turns out, there are several different reasons that a Christmas cactus could get yellow leaves. As mentioned in our introduction, cacti plants can turn brown for many reasons. If a cactus is moved from moderate light to intense light, it may get scorched by the sun. Sunburned cacti turn yellow and in extreme cases too much sunburn can kill cacti. New growth may start out red and gradually turn …