Pruning Weak Grapevine

LisaBC(NM Z5 HeatZn5)March 24, 2012

We have 3 grapevines growing on our backyard fence. Two of them are vigorous and bear green/yellow grapes every year.

The third one has always been weak, and bears only a few purple grapes each year. Last year, the few canes that grew on it are all thin - less than 1/4" in diameter. When we prune it this spring, should we cut off all those thin canes, and cut the older growth back closer to the ground to stimulate new, thicker canes to grow?

Also, what should we do to help this grapevine to be more vigorous?

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How old is the purple grape vine? We have a few grape vines that we are struggling with that we started a few years ago.
I read that the first few years you should let the roots strengthen and not expect grape production.

    Bookmark   March 31, 2012 at 7:47AM
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