Trees, especially pine trees, are in for challenging times. Although pine trees are relatively drought tolerant, ongoing drought, as we’ve experienced in Marin County for several years, has caused ...

Trees can be identified in winter by observing their needles, bark, branching patterns, and buds. Distinctive bark, such as ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Gardeners who limit their love to leaves and flowers are barking up the wrong tree. Sure, those ephemeral features are undeniably seductive, but their allure is limited to warmer months. In the ...

BISHOP, Calif. — Forest pathologist Martin MacKenzie strode forward on a narrow path through California’s mythic bristlecone pine forest in the White Mountains near the Nevada border, methodically ...

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11:07 a.m. June 29, 2022: A previous version of this story misspelled Constance Millar’s first name. Forest pathologist Martin MacKenzie strode forward on a narrow path through California’s mythic ...