Blue growth rings in woody plant stems indicate years when cells failed to lignify properly due to summers that were too cold ...

On the slope of a Utah mountain, a 106-acre colony of cloned aspen trees is under threat from wildlife and climate change.

The scientists collected core samples from 25 Scots pine trees and stem discs from 54 juniper shrubs, creating paper-thin sections that they stained with special dyes. Under a microscope, normal ...

With hundreds of trees on my property, I'm constantly managing growth, clearing dead trees and removing invasive species. I ...

The final part of our best-new-plants-of-2025 series concludes with a look at some of the top new trees and shrubs debuting ...

Lynn Ban died after a ski accident in Aspen last month, her son shared the news of her passing in an Instagram post.

The aspen trees, alpine lakes and granite facades of the mountainous landscapes surrounding Salto's lively cafe in Nederland, ...

Weather Underground issued an extreme cold warning from Monday evening through Tuesday morning, cautioning that wind chills ...

Pawpaw trees suppress plant diversity through dense, shady growth, creating unpredictable ecosystems, but fostering diverse ...

Thanks to Pitkin County, local land managers now have more information about beavers and their habitat, which could ...

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