Recognizing Spring, Scientifically

Sunday March 20th marked the Spring Equinox for us here in the northern hemisphere. Calendars announced the start of spring that day, but Mainers know March still requires mittens and wood stoves. So how do we figure out when the winter season ends and a different one begins? Is it a date, a specific temperature, just a feeling, or something else entirely?

“Recognizing Spring, Scientifically” — a short New York Times article with great photos — aims to answer this question. Read on to discover the ways in which scientists around the country define the start of spring in their backyards, and take note of how many of these phenological phenomena you’re already noticed this year! How do you know when it’s spring?

Click here to read “Recognizing Spring, Scientifically”

Red maple flowers blooming in spring. Paul Wray, Iowa State University,