Back when I had extra time, I experimented with growing table grapes
here in zone 3. When Winter approached, before the ground froze, I loosened
the soil at the base of each plant so I could tip them over without breaking
stem or roots. I weighted the plants down with pipes and fence posts and
sprinkled moth balls to keep the rodents out. I put tarps over the plants
and covered each tarp with a generous helping of leaves - the first year I
learned to not put the leaves directly atop the plants because many vines
rotted or molded.
If I left the tarps in place too long in the Spring, the vines molded so
I tried to uncover them when average temperatures reached the upper 20's F.
Jim Fruth
Brambleberry Farm
Pequot Lakes, MN 56472
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