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Plants

Some of these plants may be invasive in parts of North America. Check invasive.org, your local Extension Service or Nature Center for a list of invasive plants in your area. 

Siberian Squills for example only appear, at this time, to be a problem in the Midwest, while Japanese Spirea is a problem East of the Rockies.

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Events & Webinars


Sept. 11, 2026
Illinois State Master Gardener Conference
Rockford, IL
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Sept. 12, 2026
2026 Knowledge in Bloom Conference
Urban Ecology Center, Milw., WI
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Sept. 17, 2026
FREE WEBINAR:
Fall Landscape Care and Planting

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Sept. 26, 2026
Pruning Hydrangeas & Other Shrubs
Pasquesi Home & Gardens, Lake Bluff, IL
More information

Oct. 6, 2026
Upper Midwest Invasive Species Conference
La Crosse, WI
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Oct. 22, 2026
Wauwatosa Public Library
Wauwatosa, WI
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