50+ Red Spots On Cactus. The christmas cactus (schlumbergera bridgesii) earned its common name with the timing of its bloom, which occurs at christmas if the plant. They are also enhanced by overhead watering and in areas where humidity is high.
Q What Is This White Stuff On My Prickly Pear Cactus Uf Ifas Extension Nassau County from blogs.ifas.ufl.edu
The black spots are probably a fungus. Problems with leaves turning red on a christmas cactus. Fungus spots on cactus pads are more prevalent in the springtime.
Diplodia, phyllosticta concava and other fungi cause black spots on the cacti, leading to dry rot.
If the cactus develops red foliage, but it still looks healthy, check the light exposure and move it to a shadier spot if necessary. One of my cacti is a paddle cactus. On the top of some of the leaves is a red stain maybe orange sort of looks like rust, not sure. The plants produce pleasant, showy and large flowers that.
