The main factors that impact the vibrancy of fall colors are the leaf pigments, the declining intensity of sunlight leading to fall, and other weather factors.
WASHINGTON, USA — Earlier sunsets, cooling temperatures and maple and pumpkin treats in every grocery store. Fall is here.
Many areas of western Washington are already seeing some color changes in leaves, but their peak fall colors are still days away.
King County is expected to peak around Oct. 21, according to smokymountains.com. Whatcom, Skagit, Thurston and Clallam Counties are predicted to peak a bit earlier, around Oct. 14.
The peak fall foliage is expected to
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