Millipedes, like the rolly polly, are scavengers and eat dead plant material.
Bev, your above photo is probably damage from those terrible grubs you had, remember them. Kate in England also had them. The millipedes will travel the path of destruction feeding on the damaged and dead plant material.
Wow. Sally that is some damage on those leaves. I'd test out Tim's theory by checking the lower protected leaves of the plants. It sure does look like hail damage though. You Denver hail storms can be quite devastating to those tender leaves.
So nice to meet you Sally and so glad you found your way to NGA.
Don't be a stranger, come often. Oh, and we love photos.
