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Honey locust can have large and terrifying thorns making it one of our spookiest native trees.

Top Four Spookiest Native Trees

Images of witches, skeletons, and other specter abound this time of year.  But we really don’t need to look much beyond the natural world for a dose of spooky entertainment? This week, I’ve compiled my list of the top four spookiest native trees that all offer some great Halloween-related...
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Upper branches of white oak tree

Species Profile: White Oak

The mighty white oak tree, Quercus alba, has long been the subject of folklore and legend. Sometimes called the “King of Trees,” the oak is often associated with titans in the pagan pantheon, Zeus and Thor to name just two. In Illinois, we recognize its importance and have named...
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looking up from the ground into the sky between tall trees with green leaves

Contemplation of trees

Sitting in the woods, I hear the sound of fall through the voice of the trees. Trees talk in swooshes, crackles and this time of year in a rustle. One only has to hear this distinctive sound to know the seasons have truly changed. As Walt Whitman wrote, “Go and sit in a grove or woods, with one or...
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Weather influences foliar disease

The weather can, does, and will influence foliage disease each year, starting in the early weeks of spring. While early spring was a long time ago, many diseases are now quite visible in the home landscape. Ornamental flowering crabapples and apple trees have had...
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Bald cypress is an Illinois native plant only know to occur in extreme southern Illinois. While it does wonderfully when planted here is central Illinois, should it be considered native?

How Native is Native?

The term native often means different things to different people.  Most definitions draw a line between geography and time scale which typically is demarcated by the point of human intervention or influence on the landscape. I really like this definition from the Forest Service in 2012, “A...
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wound sealer painted on a tree wound

Should we paint tree wounds?

I spend a lot of time asking homeowners to show me their tree butts. Buttress to be specific, but industry lingo shortens it to butt and is described as the dramatic widening of the lower trunk. The buttress of a tree is located beginning at the root flare where the base of the trunk flares out...
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This pin oak tree tested positive for bacterial leaf scorch and displays the most distinctive symptoms characterized by brown leaf margins, a colorful band and green tissue along leaf veins.

Bacterial Leaf Scorch Infecting Illinois Oaks

Shade trees are some of the most valuable plants in most urban landscapes.  They provide energy saving shade as well as valuable habitat for wildlife in a sometimes otherwise inhospitable built environments.  However, a mature shade tree takes considerable time to develop the canopy and...
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