She arrived this morning, on the front-yard crocuses, just after eleven. Common eastern bumblebee — Bombus impatiens — a queen, probably, since the workers won't emerge for another month. She moved slowly. The air was sixty-one degrees and sunny. She had been asleep underground since October.
We have been keeping a small notebook for three years now, and the first-bee date is one of the things in it. 2024: April 18. 2025: April 14. This year: April 11.
That's the whole observation. Three data points, a small downward trend, one queen on a crocus on a Saturday morning. We're not claiming a scientific finding from three years of one yard. The point isn't the science. The point is what happens when you start writing things down.
Here's what happens. You start to remember last year's first bee, because you wrote it down. You start to remember last year's first bloom, because you wrote that down too. You start to notice that the magnolia opened a week earlier this year, that the goldfinches arrived three days later, that the maple's color turn was a full ten days off from your memory of it. The notebook makes the year visible in a way that memory alone cannot.
This practice has a real name, used by ecologists for over a hundred years. It's called phenology — the study of the timing of biological events. When does the wood frog start calling? When does the first hummingbird arrive? When does the first acorn drop? These are phenological questions, and they're how we know the climate is changing in any given place. Aggregate enough yards' worth of first-bee dates over enough years and you get a real signal — and yes, that signal is moving.
The National Phenology Network keeps a public database (usanpn.org) where anyone can submit observations. The data is used by climate scientists, by agricultural researchers, by conservation organizations. Your notebook of first-bee dates, if you're willing to share them, is real science.
But the more important version of this is private. The notebook for yourself.
What it gives you is a different relationship with the year. The seasons stop being abstract — "spring," "summer," "fall" — and become specific. The day the first redbud blooms. The day you hear the first wood thrush. The day the milkweed comes up. These are the actual seasons. The calendar is just the framework.
You don't need an app for this. A small paper notebook works. A note in your phone works. A spreadsheet works. The format is less important than the act of writing the date down.
Today's date, in our notebook: April 11. First bumblebee. Front-yard crocuses. Sunny, 61°F.
Next year, when the first bee arrives on April 7 or April 14 or whenever, we'll know how it compared. That's the practice. It costs nothing. It changes everything.
— The editors