I just moved into a new home in Phoenix, AZ, and now have a lot of cacti to tend to. I do not know their care history, or how much/how often they are watered.
One of the largest Prickly Pear cacti is dropping its leaves (pads?) at a seemingly high rate. Is this a sign of over watering, under watering, a lack of pruning, or something else entirely? Some of the pads look wrinkled, which I'm told can mean either over or under-watering.
Here is a photo of the cactus
Here is a photo of the place where the most recent leaf-bunch detached
Here is a photo of the broken segment on the ground
This most recent break (the one pictured here) occurred about 24 hours ago.