Can large piles of snow kill a tree?
I had two black walnut trees growing in the boulevard next to a road, one of which died. The last two winters have been heavy for snow here in SD, and there were large piles (six plus feet) of snow at the base on one side of the tree from the trunk to the road. I am wondering if this is what killed the tree? It has been wetter than normal, so I don't think water was a problem. It has been colder than normal some of the time, but only one tree died. It seemed to be a slow decline, the tree was struggling for a couple of years before it gave up the ghost. Could a large pile of snow cause the ground to stay frozen beneath, and melt water to run off and never get to the tree? or something like that? I am just curious, because the snow is beginning to pile up again here, and I don't want to lose another tree.