You should see the increases on the CT shoreline. Many areas now have over 200 growing days. This is a cool study where they had temperature data all the way back to 1788 at Yale.
The average length of the growing season over the past 47 years (1973-2020) is 26 percent higher than the average length of the growing season from 1788 to 1866, an increase from 126 days to 159 days. Since 2004, the length of the growing season has been equal to or exceeded the modern-era average every year, but five.
https://longislandsoundstudy.net/ecosystem-target-indicators/length-of-growing-season/