Answer: It sounds like you did everything right and certainly you have done this successfully before so I suspect something unusual happened, perhaps without your knowing it. For instance, we had an unusually dry summer here which may have affected the garlic quality prior to harvest. Another possibility is that the garlic was harvested too early causing it to darken and shrivel, or that it was stored too warm which would cause it to dry out. I'm sorry about your garlic.
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