When I bought my current property it had two grape vines. Last summer they fruited, but died back completely during that heat wave and dropped all their fruit and leaves.
I haven't seen any sign of budding or sap flow this spring so I started to cut them down, but both are apparently still alive.
I always thought grapes didn't need to be watered. The grapes at my old property survive 100+ F temps without any
water every year so I didn't think to supplement. My guess is that their
roots are too shallow.
Any ideas on how I can create an in-ground reservoir for them?
Should it be uphill, or down? Woodchips? Rock? Something else?
How can I save them? The soil is heavy clay with a few inches of good topsoil.
New location. Zone 6b, acid soil, 30+ inches of water per year.
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