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The U.S. Environmental Protection Agency (EPA) issued a Stop Sale and Removal Order for Imprelis in August 2011, after the agency investigated hundreds of reports of Imprelis tree death throughout the Northeast and Midwest U.S. Imprelis had only been approved for sale in October 2010, but by the time it was pulled from the market, it had killed or damaged thousands of ornamental landscape trees.
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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