If you can show that the end of dormancy is coming earlier in the year and the date of
last killing frost is not also coming earlier that would support the claim.
The second is that when Lake Erie freezes over temperatures don't warm up prematurely so crops are not damaged coming out of dormancy before
the last killing frost of the season.
Daily maximum and minimum temperature data are readily available but you would need to develop a program to analyze that data to determine the annual end of dormancy and the date of
the last killing frost.
Not exact matches
A / C is the
killing frost sure to wilt the
last fragile shoots of American culture.»
Once ready be sure to keep them in a covered area, to ensure the
last frosts don't get to them and
kill off young buds.