Impreliswas designate for habit as a post - emergent broadleaf weed killer to eradicate the the like of dandelion , clover , Musa paradisiaca , groundivy , wild violets , and henbit .   It was apply to golf game courses , cemeteries , public parks , acrobatic fields , andlawnsby landscape gardening companies nationwide .

Since mid - June , professional landscapist have reported thousand of complaint from customers whose Norway Spruce and White Pine trees are present wilted , necrotic , yellow phonograph needle ; numb needle ; wilted Modern shoots ; desiccated and droop wax light ; and wriggle and distorted shoots . In most cases it appears that these baronial evergreens reacted to Imprelis four to six weeks after the grounds near them were do by . In Columbus , Ohio alone , over two thousand evergreens have been damaged .

The Environmental Protection Agency announced Friday that they will begin an hasten recap of Imprelis by the terminal of this month . Their opinion will decide if Imprelis is removed from the marketplace or has its labeling revised .

Pete Landschoot , professor of turf - weed science at Pennsylvania State University , wrote in June,“In some display case , injury does not work up much further than slight curling and browning of new increase ; however , in other case complete dieback is keep . In severe guinea pig , the entire Sir Herbert Beerbohm Tree turns brown and start out to mislay its needles . It ’s as if the trees were being poisoned through the root , from weedkiller spread deeply by the sop spring rain . ”

DuPont ’s package label warns that grass clippings treat with Imprelis should not be used as mulch or put in compost piles , as Imprelis will make it thecompostingprocess and will still be fighting in the ruined compost . Unsuspecting gardeners may damage their favourite flowers or vegetables , many of which are broad - leafed , just like the specify prey plant life .

What to do if your trees were damaged by Imprelis

So what are you to do if you suspect that one of your Tree is meet from Imprelis damage ? DuPont has suggested that you surround the base of the tree with a soaker hosepipe in an effort to wash the chemical through the filth . However , other scientists disagree with this suggestion , as Imprelis needs the bodily process of soil being to break it down , and waterlogging your soil will slow that action . In improver , DuPont warns that Imprelis has a high potential of polluting Earth’s surface pee via runoff for several months after app program , so applying water to the poison and promote its crusade may not be the responsible for affair .

It ’s ironic that Imprelis was marketed in aMarch press releaseas adding“to DuPont ’s expanding portfolio of green industry products … with a reduced environmental impact . ”