Hello, my cayenne pepper plant that I’m growing indoors has been growing really well but I just noticed that on the underside of the leaves these spots have appeared on about half of the older growth leaves… I just noticed it because it only seems to grow on the underside of the leaves while the tops remain pretty nice. Not sure if it just needs some cal mag or nitrogen maybe? Or if something worse is beginning to form. The newer smaller leaves don’t seem to have the issue but the older larger leaves do.
Any help is appreciated. I would really hate to trash the whole plant because it’s about 10 or so weeks old at this point.
by Tomboney