Information and Publications


  1. 2023 List of Commercial Applicators that Spray or Mow
  2. Guide to Identify Common "Obnoxious" Weeds (16 pg PDF)
  3. Identifying and Controlling Noxious Weeds in Spokane County (68 pg booklet)
  4. Full Circle Control (12 page booklet)
  5. 2023 Washington State Noxious Weed List (PDF)
  6. 2023 Spokane County Noxious Weed List (PDF)
  7. Protect Your Horses and Livestock from Toxic Plants (58 pg booklet)
  8. Noxious Weed Control Recommendations (7 page PDF)
  9. Controlling Noxious Weeds in the Fall (8 pg booklet)
  10. Employment Application (not currently hiring)

Class A Noxious Weeds: 

  1. Garlic Mustard Fact Sheet (2 pg PDF)
  2. Wild Four O'Clock Fact Sheet (2 pg PDF)

Class B Designate Weeds:

  1. Herb-Robert Fact Sheet (2 pg PDF)
  2. Hoary Alyssum Fact Sheet (2 pg PDF)
  3. Musk Thistle Fact Sheet (2 pg PDF)
  4. Puncturevine Fact Sheet (2 pg PDF)
  5. Russian Knapweed Fact Sheet (2 pg PDF)
  6. White Bryony Fact Sheet (2 pg PDF)

Class B Noxious Weeds:

  1. Blueweed Fact Sheet (2 pg PDF)
  2. Common Bugloss Fact Sheet (2 pg PDF)
  3. Dalmatian Toadflax Fact Sheet (2 pg PDF)
  4. Diffuse Knapweed Fact Sheet (2 pg PDF)
  5. Kochia Fact Sheet (2 pg PDF)
  6. Leafy Spurge Fact Sheet (2 pg PDF)
  7. Orange Hawkweed Fact Sheet (2 pg PDF)
  8. Purple Loosestrife Fact Sheet (2 pg PDF)
  9. Rush Skeletonweed Fact Sheet (2 pg PDF)
  10. Scotch Thistle Fact Sheet (2 pg PDF)
  11. Spotted Knapweed Fact Sheet (2 pg PDF)

Class C Noxious Weeds:

  1. Canada Thistle Fact Sheet (2 pg PDF)
  2. Hoary Cress Fact Sheet (2 pg PDF)
  3. Oxeye Daisy Fact Sheet (2 pg PDF)

Weeds of Concern:

  1. Absinth Wormwood Fact Sheet (2 pg PDF)
  2. Annual Bugloss Fact Sheet (2 pg PDF)
  3. Common Mullein Fact Sheet (2 pg PDF)
  4. Houndstongue Fact Sheet (2 pg PDF)
  5. Poison Hemlock Fact Sheet (2pg PDF)
  6. Bull Thistle Fact Sheet (2 pg PDF)
  7. Russian Thistle Fact Sheet (2 pg PDF)
  8. St. Johnswort Fact Sheet (2 pg PDF)
  9. Sulfur Cinquefoil Fact Sheet (2 pg PDF)