i just let mine sit 'til spring and then move them over to mulch a couple of flower beds.
You do not have to worry about snow mold where you live.
"After a cold, snowy winter, you long to see green again. As the snow melts, you look out at your newly exposed lawn, only to see grayish circles all over it. Gray snow mold loves the cold, and grows on your lawn when snow has been on the ground for a while.
It also grows under layers of leaves over the winter. With a few preventive steps, you can reduce the likelihood that your lawn will be attacked by this disease."