Bigleaf maple trees (Acer macrophyllum) are not maples for small yards. These deciduous trees can grow to over 100 feet (30 m) tall with a similar spread. But anyone with a large property might ...

The leaves of this bigleaf maple at Point Defiance Park show sings of leaf scorch, one sign of the die-back affecting the species throughout the Pacific Northwest. Craig Sailor ...

The emergence this spring of a powdery, white film covering the leaves of bigleaf maple trees was a puzzling sight for Keyport resident Joy Rosenblum. "At first, I thought it was ash, as it was near ...

As its name suggests, the bigleaf maple tree’s massive leaves are perhaps its most distinctive quality. A native to the Pacific Northwest’s wet westside forests, these towering trees can grow leaves ...

Something is killing bigleaf maples — Washington’s biggest broadleaf tree — and scientists can’t stop it. They don’t even know what’s causing it. “We’ve looked for everything we can possibly think of ...

A new study has found that recent bigleaf maple die-off in Washington is linked to hotter, drier summers that predispose this species to decline. These conditions essentially weaken the tree's immune ...