Here’s a link to an article I wrote on why leaves change color.
Sugar maple, Acer saccharum, Byfield, Massachusetts
Sugar maple, Acer saccharum, Newbury, Massachusetts
Sugar maple, Acer saccharum, Newbury, Massachusetts
Virginia creeper, Parthenocissus quinquefolia, Byfield, Massachusetts
Staghorn sumac, Rhus typhina, Byfield, Massachusetts
Sugar maple, Acer saccharum, Newbury, Massachusetts
New Leaf 