2022 Monthly Weed Posts

November 2022

Seed Dispersal by Vehicles and the Value of Washing Vehicles to Prevent Weed Spread is the topic for the November 2022 Weed Post. 

October 2022

Yellow Mignonette is a troublesome high seed output noxious weed that is the subject of October's Monthly Weed Post. 

September 2022

No Monthly Weed Post this month.

August 2022

August Monthly Weed Post highlights the Western Salsify

July 2022

The Fragrant Water Lily, also known as American Water Lily, White Water Lily or simply invasive water lily is the focus of the July Monthly Weed Post.

June 2022

This month we are looking at Identifying Invasive Annual Grasses in Montana.

May 2022

Creeping Bellflower also known as rover bellflower or rampion bellflower is the May Monthly Weed Post.

April 2022

Curious what a particular plant is? Your smart phone may have an app for that!

March 2022

This month we are looking at Cinquefoils (Potentilla Species) and the difference between Spotted Knapweed versus Dotted Blazing Star 

February 2022

Noxious Weed Views and Behaviors After 25 Years of Education and Outreach

January 2022

Flowering Rush is the subject of our first Monthly Weed Post for 2022.


2021 Monthly Weed Posts

December 2021

Noxious Weed or Native Plant?  Watch this video on Noxious Weeds and Native Plants to learn more.

November 2021

Chicory or more commonly known as Blue Daisy or Corn Flower is in the Monthly Weed Post spotlight this month.

October 2021

The Milfoil Weevil is a small aquatic bettle that is native to North America.  This month we are looking at the Milfoil Weevil's impact here in Montana.

September 2021

Testing Indaziflam for Restoring Cheatgrass (Bromus tectorum) Infested Montana Rangelands

August 2021

The August Monthly Weed Post offers some important information for Preventing Weed Invasion from Hay Shipments in the short and long-term.

July 2021

Tips for managing noxious weeds during drought including Spraying for Noxious Weeds During Drought can be found in the July Monthly Weed Post.

June 2021

Does Vinegar Kill Weeds? Find out in this Monthly Weed Post.

May 2021

Our May Monthly Weed Post features Baby's Breath (Gypsophila paniculata).

April 2021

Adult weevils begin to emerge from the soil in the spring.  This month we are looking at the Houndstongue Root Weevil.

March 2021

Effects of Increased Temperature and Carbon Dioxide on Cheatgrass and Ventenata.

February 2021

Puncturevine (Tribulus terrestris) or more commonly known as goatheads is now found in all western states of the US. This invasive noxious weed was first recorded in Montana in 1938.

January 2021

No Monthly Weed Post this month.

Resources and Links

Montana Grasses Identification App

Montana Grasses Identification Basics

Invasive Grasses Quick Guide