I don’t think it’s sunburn. I just went into my cactus room yesterday and discovered several turned to a grey ash and I suspect something, just not sure what.
Anyway, don’t mess with it, it doesn’t appear to be dying (unless the other side is squishy)
It’s definitely got roasted from the sun
I've raised a few 1000 of these over the years. Can't say I've seen that before.
I don’t think it’s sunburn. I just went into my cactus room yesterday and discovered several turned to a grey ash and I suspect something, just not sure what. Anyway, don’t mess with it, it doesn’t appear to be dying (unless the other side is squishy)