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Weed Board


Dear Garfield County Noxious Weed Cost Share Cooperators and Landowners:


The Weed Board has decided to add Poison Hemlock and Scotch Thistle for cost sharing this year. The percentage of reimbursement for chemical cost share will be approved annually by the GCNWCB.

Cost Share rate will vary from year to year based on applications being submitted county-wide. The 2020 Cost Share rate paid by the GCNWCB was 21%. The 2021 rate will be more or less.

Please read the enclosed Cost Share Application Form.

Dear Garfield County Noxious Weed Cost Share Cooperators and Landowners:


Cost Share rate will vary from year to year based on applications being submitted county-wide. The 2021 Cost Share rate paid by the GCNWCB was 19% .


Please read the enclosed Cost Share Application Form.

The Board has voted to do the following in 2022:

  • Cost share will only be for chemicals used to control Yellow Starthistle and Rush Skeltonweed, Poison Hemlock, and Scotch Thistle.
  • No cost sharing on CRP, CREP, or agricultural cropland.
  • All chemicals must be paid for by the cost share cooperator, and will be partially reimbursed based on a percentage determined by weed board.
  • Application forms for cost sharing under the above terms should be received by Jim McKeirnan before spraying is started.
  • Completion of treatment forms should be received by Jim McKeirnan by October 1st, 2022.
  • The Operator should receive a stamped copy of their cost share application from the GCNWCB. Please keep that copy as your receipt that the GCNWCB has received your Cost Share application.
  • Those of you that spray late in the fall, chemical cost can be cost shared in 2023.
  • Individuals should contact Jim McKeirnan if there are other weeds that the Weed Board should consider for future cost share consideration.


Jim McKeirnan, GCNWCB Coordinator


690 W. Main St.

Pomeroy WA. 99347



Bio Controls will be available for free for Bindweed, Jim needs to know if you would like some by June 1st.

Attached: Cost Share Application 2022

Attached: Treatment Certification 2022




Dear Landowner/Operator

The Bonneville Power Administration (BPA) has partnered with Garfield County for a noxious weed treatment cost-share program to be used on property that includes: Bonneville Power Administration rights-of-way and access roads that are within your property boundaries, including quite a bit of land around the lines. We strongly encourage your participation.  Bonneville Power wants to help with costs for controlling weeds around their equipment and roads, and this is a great opportunity to have some or all of your costs covered.

Weed control methods on BPA rights-of-ways, access roads, and adjoining land that will be included for this cost-share program:

  • Chemical use of herbicides
  • Biological release of agents which feed on or destroy undesirable plants
  • Competitive plantings to replace and/or prevent the establishment of undesirable plants.
  • Application Costs

The amount available for funding is $6,500. The amount to be distributed will be determined by the amount of participants.

Dates and Additional Information:

September 1, 2022– A copy of an invoice of the cost of treatment; and a completed spray record sheet (if using herbicides) must be submitted to the GCNWCB Coordinator Jim McKeirnan. Spray record sheets are available from Jim.

Please contact me if you have any questions or need any additional information. I have maps available that show which areas are available for cost share.


Jim McKeirnan

Garfield County Noxious Weed Board Coordinator

690 W Main St. Pomeroy, WA 99347

Office 509-843-1913

Attached GCNWCB Cost Share Letter – 2022  – Due Sept. 1st



Turkish thistle

Turkish thistle

Carduus cinereus

Family: Asteraceae

Other Scientific Names:

Carduus pycnocephalus L. subsp. cinereus (M.Bieb.) P.H.Davis; Carduus arabicus Jacq. subsp. cinereus (M.Bieb.) Kazmi

Other Common Names: Spanish thistle
Weed class: A
Year Listed: 2021
Native to: Turkey and east to the Himalayas
Is this Weed Toxic?:

not known to be

Why Is It a Noxious Weed?

It has been noted to spread readily and be competitive in native rangelands in NE Oregon.

How would I identify it?

General Description

An annual thistle with winged stems that can grow up to 4 feet tall. The stem leaves attach directly to the stem. Its basal leaves are up to 4 inches long, and stem leaves reduce in size moving up the stem. The undersides of the leaves are tomentose (with woolly hairs) while the upper surfaces are loosely woolly.  Flower heads are compressed, non-spherical, and single or in loose clusters. Each purplish flower head is typically on a short hairy stem or may be stemless.

May Be Confused With

Of the five other Carduus species known to occur in North America, four are listed as noxious weeds in Washington State: Class A noxious weed Italian thistle (Carduus pycnocephalus), Class A noxious weed slenderflower thistle (Carduus tenuiflorus), Class B noxious weed plumeless thistle (Carduus acanthoides), and Class B noxious weed musk thistle (Carduus nutans).

Where does it grow?

So far, Turkish thistle is not known to occur in Washington but it is spreading close by in Oregon and Idaho and could readily invade here. Turkish thistle grows canyon grasslands, on dry rocky talus slopes, on southern aspects, as well as sites with deeper soils in more mesic sites.

How Do I Control It?

It is expected that control methods used on the other non-native Carduus species should be effective to manage and control Turkish thistle.

Turkish thistle:

Currently Turkish thistle is not known to occur in Washington, contact your county noxious weed control board if you think you have Turkish thistle on your property.

For More Information

For full Article Click Here

See the Turkish thistle profile from the Oregon Department of Agriculture

See the Pest Risk Assessment for Turkish thistle from the Oregon Department of Agriculture

Be on the lookout for Turkish thistle – information and pictures from USGS

See the Draft Written Findings for Turkish thistle, Carduus cinereus


Meeting will be held in the county commissioners  room in the Garfield County Court House.


Jim McKeirnan


690 W. Main St

Pomeroy WA, 99347

For any questions about noxious weeds in Garfield County contact Jim Mckeirnan or visit the Washington State Noxious Weed Control Board website.

Garfield County Weed Board Minutes


March 3, 2021

February 3, 2021

March 16 2022