The heat produced from dry Osage orange wood has qualities often compared to coal. However, the wood actually burns so hot you can easily damage a wood stove if you're not careful.
Instead of burning strictly hedge, mix it with other popular hardwoods like ash, beech or maple firewood. This will allow you to capture all the great heating qualities of the wood without the fire becoming to intense.
Producing 32.9 million BTU's of heat per cord, Osage orange is a remarkable firewood.