yep pictures is helpful, black spots hmmm, check for white invisible bugs, spiders, webs around your plants get it off, throw some mothballs around the plants to keep all bugs away, even rabbit, cats dogs will not go near it, if u think of snakes that go around em, use salt pour the salt in the circle, snakes will not go across where ur pots is if its outside i hope that helps too cuz we all are growing too black spots, hmmm