green pigment

Do you plan to go "larching?"

It is almost October and time to go larching. Maybe you will find spectacular western larches at mid-elevation or subalpine larches near treeline.

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?