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PLNA e-News: Plants, Pests & Diseases

PDA Lists Four Plant Species as Noxious Weeds

Monday, May 13, 2019   (0 Comments)
Posted by: Gregg Robertson
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European water chestnutHARRISBURG - On April 25, the Controlled Plant and Noxious Weed Committee of the Pennsylvania Department of Agriculture (PDA) listed four new plants as noxious weeds. The plants so listed were:

  • European frogbit (Hydrocharis morus-ranae)
  • Water primrose (Ludwigia grandiflora ssp. hexapetala)
  • European water chestnut (Trapa natans)
  • Tree of heaven (Ailanthus altissima)

Listing these species as noxious weeds makes it illegal in Pennsylvania to distribute, cultivate or propagate them. The action takes effect 60 days after April 25.

As PLNA reported in an earlier e-News, PDA is considering at least an additional 120 plant species for listing as noxious weeds. A list of those plants currently under consideration can be downloaded by clicking here.


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