Answer: Hopefully the mold is just feasting on the decaying stems, and isn't a fungus that attacks living roots. At this point, if it hasn't snowed since you sent this message, remove the wet leaves and straw, and trim the moldy parts from the stems. Replace the wet mulch with dry, fluffy straw. Straw is less likely to mat down and collect moisture than leaves.<br>So long as the roots looked healthy when you planted your peonies, and the soil is still frozen, they are probably fine. Keep an eye on the site - if another pre-spring heat wave hits, and meltwater puddles around them, lead water away with small drainage channels formed in the soil. As soon as you can, remove the mulch for good and allow that warm spring sun to dry up excess moisture. Hope this does the trick!
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