Hi Raymond.  Congratulations on the new home and the big garden project you are taking on.  I am not sure what this may be.  Could you take a few more photos, this time of only one leaf and another of the new stalk.  I'm hoping I'm wrong but this plant may be an non-native invasive.  With the additional photos, I may be able to confirm its identity.

Enrique Peredo, UVM Master Gardener

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Hi Raymond.  This is a non-native invasive plant called Knotweed.  According to the the Vermont invasives website, There are two varieties, the Gaint and the Japanese.  Each are similar in appearance except for the size of the leaves.
As with most invasive plants they were introduce as  an ornamental in the landscape and in particular with knotweed, for erosion control.  J
The first link below is the Vermont Invasives website which provides more detail about knotweed and other invasives in our region.  The second, is a guide created by one of our own Master Gardeners for combating this tough plant.
https://www.vtinvasives.org/

https://www.uvm.edu/sites/default/files/Extension-Master-Gardener/How_to_Battle_Japanese_Knotweed_and_Win.pdf

Success to you in your efforts to eliminate Knotweed from your gardens.

Thank you very much for your time

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