This October 2006 image provided by The Morton Arboretum shows an Amelanchier x grandiflora 'Autumn Brilliance' serviceberry tree displaying brilliant orange-red fall foliage at the arboretum in Lisle, Ill. (The Morton Arboretum via AP)

This October 2014 image provided by The Morton Arboretum shows the colorful foliage of a sugar maple tree at the arboretum in Lisle, Ill. As the season progress, the tree's leaves progress from green to yellow to orange and, ultimately, brilliant red before dropping. (The Morton Arboretum via AP)

This 2013 image provided by Arnold Arboretum of Harvard University shows the fruit and yellow fall foliage of an American persimmon tree (Diospyros virginiana) in Boston. (Arnold Arboretum of Harvard University via AP)

This 2012 image provided by Arnold Arboretum of Harvard University shows the bright-gold fall foliage of native tulip tree (Liriodendron tulipifera) in Boston. (Arnold Arboretum of Harvard University via AP)

This October 2006 image provided by The Morton Arboretum shows the leaves of a black gum, aka black tupelo (Nyssa sylvatica) tree, displaying fall hues of red, orange, yellow and maroon at the arboretum in Lisle, Ill. (The Morton Arboretum via AP)

This undated image provided by The Morton Arboretum shows the fall foliage of a black gum, aka black tupelo (Nyssa sylvatica) tree at the arboretum in Lisle, Ill. (The Morton Arboretum via AP)

This 2016 image provided by Arnold Arboretum of Harvard University shows the red fall foliage of a scarlet oak tree (Quercus coccinea) in Boston. (Arnold Arboretum of Harvard University via AP)