The bright sunny days and cool nights of the past week have helped fall color develop in the trees of the Arboretum’s collections and natural areas. The color show will only become more vibrant in the coming week.
For the latest fall color updates from the Arboretum, call the Bloom 'n Color Hotline at 630-719-7955.
Visitor Center and Parking (Parking Lot 1): Jeffersred Freeman maples at the ends of the parking lot medians are showing an increasing amount of red. White ashes are beginning to turn purple, while tree lilacs and redbuds are showing some yellow.
Elm, Linden, and Corktree collections (Parking Lots 1 and 18): The three large American elms in the collection near the path are turning yellow. Corktrees also are turning yellow., but the yellow color in lindens still is spotty.
Rhododendrons, Northern Illinois, and Midwest collections (Parking Lot 2): Flowering dogwoods are showing purplish tints. Pawpaws are showing a yellowish-green. Kentucky coffeetrees are turning yellow. Ohio buckeyes are red-brown and dropping their leaves. Bur oaks are turning yellow, and sumacs are showing reds.
Frost Hill (Parking Lot 3): Sumacs in the Northern Illinois collection are turning red.
Crabapple Lake and Rose Family Collection (Parking Lot 4): Mountain ashes have red, orange, and white fruits. Crabapples are dropping their yellowing leaves and beginning to show red and yellow fruits.
Crowley Marsh and Magnolia Collection (Parking Lot 5): Asters are blooming in shades of blue and white.
Buckeye Collection (Parking Lot 6): Buckeye trees have lost many leaves, while corktrees and lindens are starting to show some yellow color. The leaves of cottonwoods in the woods are turning yellow and dropping.
Maple and Oak collections (Parking Lots 7 and 8): Armstrong Freeman maples are reddish, Autumn Applause white ash is turning purple, and Prairie Pride common hackberry is turning yellow.
East Woods (Parking Lots 8 to 15): The floor of the woods has a lovely fall display, with Drummond’s asters blooming in pale blue. In the trees, Virginia creeper vines are turning red. Ironwoods are turning a pale yellowish-green. Sumac is pinkish-green and red. White ashes are showing hints of purple. Bur oaks are slowly dropping some yellowish leaves. Black walnuts are dropping leaves along with their large green fruits.
Big Rock Visitor station (Parking Lot 13): Late asters are blooming in blue. There is a hint of yellow-orange in the tops of those sugar maples getting west sunlight, a harbinger of vivid color to come.
Maple and Beech Collections (Parking Lot 14): A few Asian maples are showing some reds and yellows, while Freeman maples showing shades of red and purple.
Appalachia, China, and Japan collections (Parking Lots 16 to 18): Flowering dogwoods are showing reddish-purple; Virginia creeper vines in sunny locations are turning reddish; Manchurian ash is turning yellow as are tree lilacs.
Ozarks (Parking Lot 19): Near the river bridge, American beeches are turning russet-brown. Cottonwoods are turning yellow-brown and their leaves are dropping. Sycamores are turning yellowish-green.
Crabapple and Europe collections (Parking Lot 19): In the wetland to the east of the road, asters are still blooming and prairie grasses are turning shades of yellow, purple, and russet.
Founder’s Grove (Parking Lot 20): Kentucky coffeetrees and redbuds are beginning to show shades of yellow and Virginia creeper vines in the trees have started to turn red.
Thornhill Education Center (Parking Lot 21): Marmo and Jeffersred Freeman maples are just turning toward red and purple. Kentucky coffeetrees are showing hints of yellow. Sumacs are showing pinks, yellows and some reds as they change.
Daffodil Glade (Parking Lots 22 and 23): Walnut leaves are turning yellow and the trees are dropping yellow leaves and large green nuts.
Schulenberg Prairie (Parking Lot 25): Grasses are beginning to change to warm russets and soft purples. Some late asters are blooming in shades of white, purple and blue.
Sterling Pond (Parking Lots 25 and 29): Asters are blooming in blue and purple. Those sugar maple trees in the sun are beginning to show yellow-green in their leaves.
Birch Collection (Parking Lots 30 and 31): Leaves on some birches are turning yellow and dropping, showing off the trees’ attractive peeling white bark.
Walnuts (Parking Lot 31): Leaves on walnuts are turning yellowish and dropping both leaves and green nuts.
DuPage River (Parking Lot 32): Viburnum shrubs are reddening, while redbuds are showing some yellow tints.
Sargent’s Glade, Lake Marmo, Dogwoods, and Joy Path (Parking Lots 26 to 28): In Sargent’s Glade, bur oaks are showing some yellowing leaves. Around Lake Marmo, redbuds are beginning to turn yellow; Freeman maples are showing some pale purples, reds, yellows and greens; walnuts and catalpas are turning yellowish-green; and dogwoods are becoming reddish-purple.
Joy Path and Ozarks: Along Joy Path, the large Miyabe maple is starting to turn yellow. Redbuds are beginning to show some yellows. Hackberries are turning yellowish-green and cottonwood leaves are turning yellow and dropping.
Past Fall Color Reports