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Cowlitz County, WA

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  6. Washington State Noxious Weed Control Board

Washington State Noxious Weed Control Board


INFORMATIONNoxious Weed Disposal brochureFull Circle booklet
2020 WA State Noxious Weed ListGarden Wise bookletScotch Broom brochure
WA Weed LawsGiant Hogweed brochureKnotweed brochure
WSNWCB Biennial ReportsPoison Hemlock brochureItalian Arum brochure
Botanical Bullies (Poster)Puncturevine brochureBees and Noxious Weeds brochure
Selected Knapweeds of WATansy Ragwort brochureToxic Plants booklet
Prohibited Plant ListGarlic Mustard brochureNoxious Weeds in WA booklet
Noxious Weeds Field Guide


 

POSTCARDSMediterranean sagePurple starthistle
Garlic mustardParrotfeatherYellow starthistle
Giant hogweedPuncturevineItalian/slenderflower thistle
Hoary alyssumPurple loosestrifeButterfly bush
KudzuSpanish broomEggleaf spurge
Meadow claryOriental clematisCommon cuprina
Dryer's woardPerennial pepperweedBuffalobur
Phragmites/common reedFlowering rushGarden loosestrife
Hairy willowherbHoundstongueMilk thistle
Shiny geraniumSpurge flaxWild four o'clock


WRITTEN FINDINGSMilk thistle
Bighead knapweedSlenderflower thistle
Bull thistleShiny geranium
Canada thistleWhite cockle
False bromeWild carrot
Herb RobertYellow archangel

Yellow hawkweed
Poison hemlock postcardsWeedEM out logo


  1. Cowlitz County Noxious Weed Program
  2. Washington State Noxious Weed Control Board
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