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Lawn and Garden
Reply to "is Preen bad for the environment?"
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[quote=Anonymous][quote=Anonymous]The active ingredient in Preen is trifluralin. It is a suspected carcinogen, is toxic to fish/aquatic life and earthworms.[/quote] This. Yes, it is bad. Just pull weeds, have dense plantings (I use natives and this is very effective at "weeding out" the weeds), and apply a thick layer of leaf mulch. The first year or so you'll still have weeds but, as plants grow in and the mulch smothers them out, it will be less and less. [/quote]
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