Bur Oaks – Burr Oak Canyon

        Perhaps no tree better symbolizes the spirit of the Great Plains than the bur oak (Quercus macrocarpa). Its thick, corky bark enabled it to withstand wildfire, making it one of the most prominent and long-lived species of the Midwest prairie region. Bur oak has a wide geographic range growing from Texas to North Dakota... Continue Reading →

The Oak Twig Girdler

The appearance of dead foliage clusters scattered throughout the canopy of oak trees is very noticeable right now. Some of these twig-and-foliage shoots, called “flags”, are breaking away, littering the ground below. This is symptomatic of the oak twig girdler, Oncideres cingulata. Oaks are the most common trees to be afflicted with the oak twig... Continue Reading →

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