Joseph Plains Weed Management Area Updated:07/2019

The Joseph Plains Weed Management Area (JPWMA)encompasses approximately 180,000 acres located south of the Salmon River (common boundary with the Tri-State WMA), east of the Snake River, north of the Forest Service boundary, and west of the Salmon River WMA. The majority of land located within the JPWMA is privately owned. Consequently, the role of private landowners in the cooperative efforts of weed control is very large. In addition to private landowners, JPWMA cooperators include the Bureau of Land Management (BLM) Cottonwood office, Idaho Department of Lands (IDL) Craigmont office, Idaho Department of Fish and Game Lewiston office (IDFG), and Idaho County Weed Control.

The goals and mission of the JPWMA are for cooperators to work together in order to successfully:

  • Establish control priorities
  • Establish specific weed management objectives
  • Create treatment zones within the Management Area
  • Treat individual weed species/infestations
  • Coordinate the use of resources and manpower
  • Develop common inventory techniques and mapping
  • Manage designated noxious weeds with an integrated approach
  • Test the feasibility of new techniques and management strategies

Though several weeds listed as noxious in the state of Idaho are present in the JPWMA, the most problematic include yellow starthistle, spotted and diffuse knapweed, Dalmatian toadflax, Italian and Scotch thistle, and whitetop. These weeds have demonstrated their ability to spread rapidly in pastures, rangeland, and forests where they decrease forage production for domestic livestock and native wildlife and disrupt natural ecosystems.


Contact Joseph Plains Weed Management Area

REMINDER: This listing is a free service of IdahoLandCAN.
Joseph Plains Weed Management Area is not employed by or affiliated with the Idaho Land Conservation Assistance Network, and the Network does not certify or guarantee their services. The reader must perform their own due diligence and use their own judgment in the selection of any professional.


Contact Joseph Plains Weed Management Area

Connie Jensen-Blyth
Idaho County Weed Superintendent
320 W Main St
Room 3
Grangeville, ID  83530
Phone: 208-983-2667
Cell Phone: 208-985-8810
Fax:  208-983-0251

Service Area

Services provided in:
  • Idaho County, Idaho