Tony Williams wrote:

In article ,
Andrew Heggie wrote:


Hardwoods to avoid for poor burning (mostly simply high moisture
content) poplar, willow, elm, holm oak and turkey oak.


I cut down a few large willow trees (not weeping
willow) a few years ago and they seem to have seasoned
into quite an acceptable wood for the woodburner.
Weeping willow seasons ok to a low moisture, but feels
quite light, and without much calorific value.



Willow is apparently the fastest way to acumulate combustible biomass.
What it lacks in density it more than makes up in speed of growth.

ISTR from a county show some years back that you can actually get
heating plants designed to burn relatively wet willow cleanly..

...in case anyone is faintly interested.