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canadianplant

Whats the coldest your "kay gray" grape has taken

canadianplant
9 years ago

I just got a kay gray grape and am wondering where to plant it.

I know grapes do better against a south wall, or even better a white wall for reflective light and heat. I also know that kay gray has said to be hardy either to zone 4 or -40F (which to my understanding is more like zone 3).

I have never recorded a temp lower then -32C in the yard. I have lots of space for it but most of it is open away from any wall.

Just wondering how cold it can take and if I NEED to plant it by a wall.

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