mold on cabbage
Why is this happening to my cabbage. And is this cabbage moth poop?
Certified GKH Gardening Expert
It appears to be insect damage, lead to fungal infection. It would be hard to say if it were a moth, or some other insect, but it was definitely an insect.
The best treatment from here will be an insecticide. This article will help: https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm
This article will offer more information on growing cabbage: https://www.gardeningknowhow.com/edible/vegetables/cabbage/growing-cabbage.htm