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further — local fanners could run into problems.
Severe cold, Love noted, could hurt the grape vines at county vineyards: That would be true, he said, in any case. While he does not expect damage to vines or tree fruit, he did add, “it would be nice to have a little bit of cold weather.”
But it gets even more technical.
“What we’re concerned about with the grapevines is the fluctuations in climate,” said Tbny Wolf, director of the Alson H. Smith Agricultural Research and Extension Center at Virginia Tech in Winchester.
And while the unseasonable warmth of the past few weeks is certainly noteworthy, he continued, “we’d be much more concerned if it were to occur in February.”
That’s because the vines go through various periods of rest, leading to a “gradual awakening,” after which they become much more sensitive to weather.
“The pivotal point,” he said, “is around January.” '
After the resting period, and at the onset of warmer weather, the vines “begin to de-acclimate and then become more sensitive to injury.”
Or, in the words of science, the vines lose their “cold weather hardiness” and can lose ability to produce.
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