Marigold seeds could be a bigger problem than the little bulbs, Andi. I don't want anything overwhelming the little roses in that bed. It's one of my "hospital" beds, where the fragile and ailing plants go. Most are frail simply because they were surrounded by larger plants and never got enough sun or water, so I want to give them a chance in a bed where they don't have to compete with other plants for nutrients and such.
Moth balls are highly toxic to pets (and humans). I used to sprinkle them by the back door to keep the skunks away, but I stopped when I learned of their toxicity. I never meant to kill the skunks, just to keep the smell a little farther away from the door.
