
The native alder-leaved buckthorn is much smaller than its invasive counterparts and prefers wet areas such as fens. / Photo Credit: Wisconsin DNR
By Mary Bartkowiak, DNR Invasive Plant Program Coordinator, Rhinelander Service Center;
Mary.Bartkowiak@wisconsin.gov or 715-493-0920
and Erika Segerson-Mueller, DNR Invasive Plant Program Specialist, Oshkosh Service Center;
Erika.Segersonmueller@wisconsin.gov or 715-492-0391
Most of the rather frequent buzz about buckthorn revolves around the two non-native, invasive types: common and glossy. The Wisconsin Department of Natural Resources (DNR) reminds the public that while these aggressive plants and serial invaders are common in Wisconsin forests, there is also a benign and native buckthorn that gets much less attention.
Many people are surprised to learn about this small shrub that has eluded notoriety, unlike its close relatives. Native buckthorn, also known as alder-leaved buckthorn (Rhamnus alnifolia), is a demure shrub that doesn’t grow much taller than 3 feet and prefers wet areas with calcium in the soil.



Ever since it launched in 2017, the
The Wisconsin Department of Natural Resources (DNR) and UW-Madison Extension have teamed up to offer young tree training pruning workshops at five locations around the state. Wachtel Tree Science will be presenting the information in a morning-indoors-afternoon-outside format. The cost is $35 including lunch, and ISA Continuing Education Units (CEUs) will be offered. 
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September is back to school month. How do you get those kids to settle down and focus after three months off? The answer is as simple as walking right outside your front door! Exposure to nature has been shown to positively impact students, from improved academic performance and focus, to reduced Attention Deficit Hyperactivity Disorder (ADHD) symptoms.