
Spindly moss sporophytes growing out of the green gametophyte. Stony Creek Ravine Nature Park, 2017.
It was snowy this morning when I looked out the window. Yes, it was beautiful, and no, snow is not unusual in early April. But I’m getting a strong case of spring fever, so I needed to look for something green to brighten my day.
Enter mosses. They are the masters of shaking off a snowy day. One study found that Arctic mosses can ramp up photosynthesis within 332 seconds of snow removal. That’s less than 6 minutes! Mosses in southeast Michigan are equally hardy. They love the bright sunlight and moisture of early spring, ramping up photosynthesis quickly to soak up every bit of sun.

Moss on the base of a tree at Blue Heron Environmental Area, February 2018.
With the constant change between beautiful, sunny days and wintry weather, we need to take a lesson from the playbook of mosses: catch every bit of sun possible. The forecast calls for sun this weekend, so where are my hiking boots…?