I have a lot of respect for mountain hemlocks (Tsuga mertensiana).

They’re tough, living at high elevation in the mountains where they get hammered with wave after wave of winter storms. Young trees may get buried completely by snow, hidden for months by a deep white blanket. Old trees take on a grizzled appearance, encrusted by rime ice after nearly every storm.

If you ski at any of Washington’s west-side ski areas you’ve seen mountain hemlocks, together with subalpine firs. You can easily recognize younger hemlocks by the characteristic nodding top, bent over whether under snow or not. Old trees may have their tops broken off. When you stop to catch your breath at the side of a ski run, look for the furrowed brown bark of the hemlock, in contrast to the smoother silvery bark of the firs. Upon even closer examination, notice that the hemlock needles are short, just a half-inch or so long, and arranged all around the twigs, with a somewhat ragged appearance. Continue reading →