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Weeds sometimes make it to the press. Below are some recent news items related to invasive plants.


The strange, twisted story behind Seattle's blackberries., August 23, 2016.

Time to control toxic tansy ragwort and keep horses, cattle safe King County, Maple Valley Reporter. July 11, 2016. 


King County urges landowners to watch for deadly noxious weeds this spring, King County Press Release. April 2, 2015

King County’s noxious weed list has growth spurt with addition of 4 new garden escapees, King County Press Release. Jan 8, 2015.  


Study suggests that climate change will make wetlands more vulnerable to invasive species

A story from California about how big a management problem water hyacinth can be when it gets established 

Australia tries out invasive plant sniffing dogs

Possible new tool in fight against cheatgrass in the intermountain west

A sad Christmas tree story for some shoppers in Hawaii and a cautionary tale about not checking for hitchhikers before transporting materials

Wayne’s World: Attack of the giant hogweed plant, it’s no joke. Hudson Valley’s, 8/17/2014.  A reminder to watch for this huge garden escapee, and also to avoid introducing a new species without doing your research.

Gardening: Pitch the Lythrum and plant something better.  Pittsburgh Post-Gazette, 8/16/2014.  An excellent gardener’s perspective on why we should not plant purple loosestrife in our gardens in spite of the undeniable attractiveness.  Thank you Carol Papas!

City of Bainbridge Island approves herbicide use to fight noxious weeds.  Bainbridge Island Review, 8/16/2014. The city decided that keeping noxious weeds controlled along public roadways is a crisis that must be addressed.

Getting more bang for your buck with herbicides. Post and Courier, 8/16/2014.  This article is not an endorsement of herbicide use, but rather it is an excellent summary of basic good practices if you do choose to use herbicides to control weeds.  Remember, the label is the law and it also tells you how to use the product so it will work best.

Invasive trees being treated in West Valley., 8/15/2014.  Crack willow, or Salix fragilis, is a non-native willow species that Yakima County is trying to get a handle on.  This is a species I definitely need to learn more about. 

Researchers investigate invasive plants., 8/10/2014.  Investigators are looking at whether native or invasive plants are benefiting more from climate change in Alaska.  Although the results aren’t in yet, it’s great that the research is being done.

Beware of the Giant Hogweed, the invasive plant that can cause burns and blisters. May 12, 2014 

City People's Garden Store first in King County to commit not to sell invasive plants, noxious weeds. King County/City of Seattle Press Release. April 9, 2014.

Climate change and noxious weeds. New research sheds some light on how climate change will affect noxious weeds (hint, the weeds will be happy).  See High Plains Public Radio and All Things Considered for a research project involving the impacts of increased carbon.  See the December 2013 Smithsonian Magazine for a different research project, and a news story about research showing that invasive plants in the waterways of Ireland will likely benefit from climate change.

New DNA tool helps distinguish invasive and native aquatic plants.  A USGS News Release describes how this tool helped pin down when non-native hydrilla was first found in the Potomac River.

Spartina control in the San Francisco Bay Area turns a corner.  A recent story in BayNature describes the painstaking process of restoring the native spartina while eradicating the non-native species and hybrid without harming the endangered clapper rail.

Pesticides and bees. There is a new resource available on how to reduce bee poisoning from pesticides, especially certain insecticides that pose the greatest risk.  The information is summarized in the PNW Insect Management Handbook or you can download the complete publication, How to Reduce Bee Poisoning from Pesticides (PNW 591) (Search for “PNW 591”).

April news wouldn’t be complete without one story like this.  See this HCN Story on a supposed big new invasive animal problem in the west.

Noxious weed blog

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Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact staff, see the Noxious Weed Control Program Directory, send an email, or call 206-477-WEED (206-477-9333).