windthrown
361 Junkie
Why are they tough, I always thought they were soft wood? Or is it because they can be hollow inside?
Since willow is light wood when dry, one would intuitively think that it would cut like cottonwood or poplar. But it does not. Willow trees take up dirt and sand and crud into the bark and wood, and that is hard on chainsaw chains. Willow sparks a lot when you cut it. I was suprised at how hard it was to cut the first time I cut a large old weeping willow down. It had a lot of rot and some hollow sections, and was uneven. Lots of tight knots too. Once dry, it is very light (and hence its low fuel wood value). However, when it is wet, it is heavy and has a high water content.
In contrast, cottonwood is easy to cut, but it is very hard to split. It also has low fuel wood value. Poplar is the same.