Did you know both the astronomical first day of spring and Easter Sunday are tied to the spring equinox? How they relate, what to know for spring 2025.

According to the National Phenology Network, in an update released this week, "spring leaf-out continues to spread north across the country. In the eastern half of the country, spring is coming in fits and starts, arriving later than a long-term average (1991-2020) in some areas, and earlier in others."