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Re: to trim or not ???

Some distinction should be made between burning based on sound science and 
burning based on tradition. Spring burning is rooted in European settlement 
practices while in presettlement times both lightning caused fires and 
man-caused fires were primarily in the summer and fall months. In Missouri we 
have done a great deal of research into the effects of seasonal burning on 
both insects and plants. We found that winter and spring burning causes the 
vegetation to become dominated by warm season grasses while fall and summer 
burning causes a shift toward forb domination (ie. flowers). In fact, summer 
and spring burns are at the opposite ends of the spectrum of results. If you 
want to see a lot of flowers then burn in the summer. If you want almost all 
warm season grasses then burn in the spring. I can show you photos that can 
easily illustrate this point.

Doug Ledoux
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