Light pollution affects plants as if it were the Sun, accelerating the sprouting of leaves and postponing their fall ...

Artificial light may be lengthening the growing season in urban environments by as much as 3 weeks compared to rural areas, ...

If you are here because you scanned a QR code on a mysterious object, you have stumbled upon a microclimate sensor of the Helsinki Microclimate Observatory (HELMO) or a vegetation camera of the ...

During a recent late-afternoon visit to the Mississippi Market co-op on West Seventh in St. Paul, I noticed that the stand of tall trees between the co-op’s parking lot and the river appeared to be a ...

One spring in early April I was out riding my bike when I spotted a large, dark butterfly fluttering over a mound of dirty snow. I did a double-take, for there was still a chill in the air and plenty ...

Here’s how to help them thrive → Few urban gardeners have access to a ... as suggested in “Phenology” by Theresa Crimmins, advance the cause of science. The Exchange, on Seed Savers ...

While these might seem like the simple side effects of paying attention to the natural world, they are the basis for phenology, the study of organism life cycles as they relate to the seasons.

I frequently receive questions from gardeners about the best timing for various gardening practices. Questions such as when is the best time to plant tomatoes or when is the proper time to treat ...