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pruning grapes then no fruit this year #154612 - Ask Extension

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pruning grapes then no fruit this year #154612

Asked September 26, 2013, 7:50 PM EDT

My concord grapes had not been pruned for about 25 years and the amount of grapes were less and less the last few years.  Last fall (late Oct)  I really pruned them back.  I left about 8 feet on each of three plants.  This year the vines grew like crazy covering all of my 6 foot fence for 25 feet in each direction.  We didn't get any blossoms formed so no grapes formed.  What can I do for next year. 

Utah County Utah

Expert Response

When you pruned, if you for some reason cut off all the newer and one-year old wood, then that would explain it.  Grapes produce flowers on 1-year old wood (nothing older). 

This year, prune the vines in late winter or early spring.  And over the summer, remove long, vigorous canes to allow the fruit to ripen.

Here are some instructions:
http://www.growbettergrapes.com/how-to-prune-a-grape-vine/

http://www.youtube.com/watch?v=_vk-Fj0pnP8&ytsession=jhAdNgqubJmECa2ymLoBlk_CppMISeee8pJ2oGmt9RvREpg...


Marion Murray Replied September 30, 2013, 11:48 AM EDT

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