To educate the community on how to grow lawns and gardens without chemicals, Rowayton Gardeners is offering a pesticide-free lawn and garden lecture on Saturday, Nov. 17, from 3 to 4:30 p.m. at the Rowayton Community Center, 33 Highland Ave., Norwalk.

The event is free, but seating is limited. Early arrival is suggested.

Guest speakers include Michaela Porta and Heather Lauver from Pesticide-Free New Canaan, which represents parents and neighbors concerned about the negative health effects of toxic weed killers and other chemicals.

Other speakers are Paul Saltanis, from the organic landscaping firm Country Green, and Beauregard Horticultural Services business owner Cathy Beauregard.

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Connecticut has a statewide ban on the use of toxic pesticides on school grounds.

In an effort to transition to organic methods of lawn care at Rowayton's Pinkney Park, on the banks of Five Mile River, Rowayton Gardeners are advising the 6th Taxing District Commissioners in how to launch an organic, pesticide-free lawn and garden care program in 2013.

"On behalf of Rowayton Gardeners, I'm thrilled to have this new opportunity to make Pinkney Park an organic, chemical-free showcase for our community," said Erin Combs, co-president.