Jerry,
I mulch with pine needles. They rot slowly. If they were half rotten or
ineffective, I'd know it and would not have bothered to post.
--
Jim Fruth
Brambleberry Farm
Pequot Lakes, MN
www.bberryfarm.com
Jams, Jellies and Syrups
Jim,
How deep is the mulch? Is it totally wet, even half rotten? If so it looses
it's insulative value. May not be holding in cold around the root system.
Jerry