We dug our sweet potatoes today and many have black areas on the skins. It seems to be on the ones closest to the original slip that was planted. What is it? Are they safe to eat?

If they are closest to the original stem, they must also be the oldest. Unless the spots have made the potatoes taste/smell bad, I think you are safe to eat them. I have seen black spots on organic sweet potatoes. They go a little deeper than the skin and have a weird texture but don't affect taste. Cut them out either before or after you cook the potatoes.

Everything from the garden isnt perfect. 😎😎😎