COVID-19 Update for Pesticide Applicator Testing:

​Due to COVID-19, the Montana Department of Agriculture (MDA) will begin scheduling exams for pesticide applicators on a limited basis beginning April 27th.  The way tests are proctored and where the exams are given has changed to minimize the risk of exposure.  Please contact your local MDA Field Office to schedule an exam using the following website:  https://agr.mt.gov/ASBFieldOffices​

Department Responsibilities

The Montana Department of Agriculture has the responsibility to ensure that pesticides are available for use and do not pose an unreasonable adverse effect on human health or the environment.

The department's Agricultural Services Bureau works to this end by:

What is NEW?

House Bill 126 Increases Fees for Pesticide Program Licenses and Products:

Click here for more information, or refer to current fee information on the Pesticide License and Pesticide Product Registration pages.

Online Payments are now available for:

  • Pesticide Licenses
  • Adding Operators
  • License Renewal Late Fees
  • Training Manuals/ Study Materials
  • Pesticide Training Courses
  • Pesticide Product Registrations

Refer to the Pay Online page for instructions.

Using Restricted Use Pesticides in Indian Country:

Pesticide applicators wanting to apply restricted use pesticides in Indian country within Montana’s borders must obtain an EPA federal pesticide certification. Submit a complete federal certification application form and a photocopy of both sides of your current and valid State of Montana pesticide license to the EPA regional office at:

US EPA, Region 8
Attn: Region 8 Certification
1595 Wynkoop St, 8P-P3T
Denver, CO 80202

The application form and instructions can be downloaded at the EPA website.

Bed Bug Information:

Check out EPA's Bed Bug Information Clearinghouse. This website has information for pest control operators, schools, hotels, landlords, health care facilities, and many other audiences. The Centers for Disease Control and EPA have determined that bed bugs are a pest of significant public health importance. Read more in the link to better understand risks associated with bed bugs and how government agencies are working together to provide support and resources to those affected.


Manage ground squirrels and other field rodent pests. Check out our bulletins or contact our vertebrate pest specialist to make sure you are doing it right!


Agricultural Services Bureau
Phone : (406) 444-5400
E-mail : agr@mt.gov
Fax : (406) 444-9493
302 N Roberts
Helena, MT 59601

Rory Ruffner
Pesticide Licensing, Registration, & Training Program Manager

Phone : (406) 444-3676
E-mail : Rory.Ruffner@mt.gov
Fax : (406) 444-9493 302 N Roberts
Helena, MT 59601


Governor Bullock's Stay at Home Directive Identifies Food & Ag Essential Businesses and Operations

To curtail the spread of COVID-19, nonessential businesses and operations will close March 28 - April 10, 2020

Governor Bullock's Stay at Home Directive Identifies Food & Ag Essential Businesses and Operations

On March 26, Governor Bullock issued a directive requiring Montanans to stay home and temporarily close all nonessential businesses and operations to curtail the spread of COVID-19. The order, which takes effect at 12:01 a.m. on March 28 and will be in effect through April 10, identifies essential businesses and operations related to food and agriculture, as included in the sections shown below:

Click to view the  the Governor’s Directive Implementing Executive Orders 2-2020 and 3-2020.

Documents to download

MDA Accepting Petitions for New Noxious Weed Listings

Interested parties may submit petition forms until September 30, 2020

MDA Accepting Petitions for New Noxious Weed Listings

Helena, Mont. – The Montana Department of Agriculture (MDA) is accepting petitions for new plants to add to the Montana Noxious Weed List. Petition forms are available on the department’s website at agr.mt.gov/weeds and can be submitted to Jasmine Reimer, State Weed Coordinator, at jreimer@mt.gov.

“Staying ahead of the game by identifying and adding new plants to the noxious weed list is vital to protecting Montana’s agricultural lands,” said Director Ben Thomas. “The department welcomes input from folks across the state when reviewing the list each year.”