depends on how big you are, if you are a hobby producer like myself, i would burn anything that is available. i would mix it with hardwoods but if its free then i would not throw it away. like others have said hardwood burns best but i have had decent luck burning dry softwoods they burn hot and fast so you have to add more often. like the maple producers guide says cut and use it especially if it helps clean up your woods, and releases more benificial species.