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Noxious weed reporting 101

Put a stop to invasive plant species by learning the correct way to report them to land managers and researchers. Deb Sweeney, a member of the West Metro Chapter of Minnesota Master Naturalists, discusses how average citizens can use basic ID skills, plus the tools of a smartphone or computer, to stop buckthorn and other pesky weeds in their tracks. 6:30 Jan. 11. Free. Minnetonka Community Center, 14600 Minnetonka Blvd., Minnetonka.

Stone sculptures for your garden

Bring harmony and balance to your garden with a few purposefully placed stones. Stone-balancing artist Peter Juhl will demonstrate his techniques, using shape, friction and weight to create impossible-looking sculptures using ordinary rocks. Guests get hands-on coaching to help enhance abilities and overcome obstacles. Gain insight on photographing your creation, and learn about design and composition. 9:30 a.m. Jan. 27. $55, includes Arboretum admission and all supplies. Minnesota Landscape Arboretum, 3675 Arboretum Drive, Chaska. To register go to