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Worst Woodland Invaders and How to Stop Them: May 20
Ohio Ag Connection - 04/22/2016

Kathy Smith and Marne Titchenell want to give honeysuckle the boot. Along with garlic mustard, autumn olive, buckthorn and many others. They'll show how in a workshop in northeast Ohio.

The event is called Forest Health: Non-Native Invasive Plants. It's on May 20 at Kirtland's Holden Arboretum.

Smith and Titchenell are experts in the College of Food, Agricultural, and Environmental Sciences at The Ohio State University.

The Ohio Woodland Stewards Program is the workshop's sponsor. The college's outreach arm, Ohio State University Extension, runs the program.

Invasive woodland plants pack a double whammy, said Smith, who's the coordinator of the program. The plants weaken both a forest and the wildlife that lives there -- or used to -- by choking out native trees, shrubs and wildflowers and by changing the habitat and food available.

Previous research by the college has shown that the non-native, widespread Eurasian honeysuckle, for example, lowers the numbers and nesting success of birds like the Acadian flycatcher, raises nest predation on birds like cardinals, and ups the risk of nest parasitism by cowbirds.

"Some invasive species have more impact on wildlife than others," Smith said. "But they all have a negative impact on forest health."

Titchenell, who's a wildlife specialist in the college, has expertise on topics such as bats, birds, mammals and amphibians and what they need for their habitat. Also speaking at the workshop will be staff from the arboretum.

Identifying invasive plants, landowners' and homeowners' control options, and the arboretum's own control efforts are all on the program's agenda.

Kudzu, burning bush and Oriental bittersweet, to name just a few, will also be some of the plants that are covered -- and hopefully later defeated.

"It's great to see a woods that is 'non-native invasive plant-free,' " Smith said. "But we always caution that it's not a one-and-done situation.

"Monitoring and removing non-native invasive plants needs to be part of the regular management plan for a woodland. If it's not, the plants will quickly reinvade."

The program is from 9 a.m. to 3:30 p.m. in the arboretum at 930 Sperry Road in Kirtland.

Registration is $35, includes lunch and materials, and is needed by May 13. A complete agenda and mailable registration form can be downloaded at Participants also can register online at For more information, call 614-688-3421.

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