This winter we had 8 weeks strong cold East wind.Not the deepest temps, but too much wind. And no difference: Glaucum very much damage and the normal , too. And also many older normal Sequoiadendon in the neighborhood.

Wolfgang

'Hazel Smith' is the hardier than the species Seq.g.that I'm
familiar with....don't know about glaucum.Hazel has nice
blue grey foliage as well.D.