Quote:
Originally Posted by Dudesky
We are snowless here in Pittsburgh for a couple weeks. Friend wanting to take advantage of the 50 deg 'spikes' decided to till her garden beds with one of those Tee handle twisty tools and found out about 4" down its still frozen.
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We've noticed here that the frost is the deepest late in winter/spring when the top layer of soil is thawed. It's common to see a bottom-of-frost depth of 12 feet on bare ground with no snow cover; and that's in a normal year.