Posted on 05/10/2014 6:09:10 PM PDT by RightSideNews
That may work but the cost would be considerable.
With the amount of mulch (1 foot) and two feet of snow most of this winter, I reckon it never got below freezing in the root zone.
Next year we plan to measure temperature in the root zone to see how warm it stays.
Regards
Lurking’
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