Originally Posted by blissful
I don't see any problem with planting garden center or supermarket garlic/shallots/onions. The only warning I've heard is sometimes they spray them with a chemical to stop them from spouting. I don't think all places do that.
It seems unlikely because any added chemicals would have to be proven food safe for human consumption.
I've often planted supermarket garlic when it got overly ripe and started to sprout. (Sprouting garlic cloves taste different to me, unappealing.) I think it's a great way to dispose of the overly ripe garlic and they become next year's garlic from the garden.