maple

Forest economics: Why are fallen alder leaves still green?

Most of the leaves on the ground are brown, yellow, or other fall colors. Why are many alder leaves still green?

After Snowpocalypse, how are the trees doing?

Here in the Pacific NW, we had an uncommonly cold and snowy February. Did this affect the new buds on trees and shrubs?

The Hidden Scourge of Pallets

Pallets travel around the globe literally supporting the world’s goods. Sometimes they contain unwanted stowaways—wood-boring beetles that can wreak havoc in a foreign environment.

In the fall, why are alder leaves on the forest floor still green?

In the fall, leaves on alder trees remain stubbornly green, even after they fall to the forest floor. This is because alder trees do not remove the green chlorophyll from the leaves before sending them to "recycling." Why not?

Maple seeds: nature's helicopters

This is the season that winged seeds of maple trees helicopter down to the ground. What advantage do the whirling seeds provide to maple trees?