Looked at my notes for every season we've been tapping and in 2021 we tapped on 2/27. It was a very short season that came to an end on 3/23 due to a long stretch of very warm temps, upper 60's and low 70's during the day and nighttime temps in the upper 30's / low 40's. Only made 15 gallons that season. Hopefully this year doesn't follow that pattern!