After a decade-long search, researchers have identified East Asia’s tallest known tree, the “Heaven Sword of the Da’an River, ...

Add Yahoo as a preferred source to see more of our stories on Google. As the invasive spotted lanternfly continues to spread nationwide, its proliferation has highlighted an even more worrisome ...

In some areas along the Chadakoin River, Tree-of-heaven is rapidly becoming the only remaining bank tree species. Photo by Twan Leenders One way of categorizing plants is based on their origin: native ...

Image credit: Backyard Garden Lover. Growing and spreading rapidly in even the poorest soils and with little water, tree of heaven is, despite its name, the very definition of "weed tree." It can ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Despite its exalted namesake, the ...

WELCOME TO TODAY’S GROWING GREEN. WE’RE AT THE MASSABESIC AUDUBON CENTER IN AUBURN AND I’M JOINED BY SEAN O’BRIEN FROM UNH COOPERATIVE EXTENSION. AND SEAN, WE’VE TALKED ABOUT INVASIVE PLANTS BEFORE.

Purdue Landscape Report: Despite the sublime name, tree-of-heaven, Ailanthus altissima, is a particularly bad actor when it comes to trees encountered in the Midwest. This native of Asia was ...

Despite its celestial name, tree of heaven (Ailanthus altissima) is known for its infernal behavior. Tree of heaven threatens other plants by forming crowded thickets that suffocate nearly any ...