Working together to strengthen and support noxious weed management efforts in Montana.

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MSU Report for the Montana Noxious Weed Trust Fund Advisory Council

Wednesday, June 19th, 2013


This report for the Montana Noxious Weed Management Advisory Council was assembled in compliance with the Montana Noxious Weed Trust Fund Act and Administrative Rules which require an annual report from the Montana Agricultural Experiment Station and Montana State University Extension Service on current projects and future plans. This report is a compilation of major weed science research and education activities conducted by MSU over the past three years and includes highlights of funded Montana Noxious Weed Trust Fund grants as well as comprehensive reporting of all weed science research products and education funding and activities.

Montana Noxious Weed Trust Fund Projects 2010–2012

  • Biological Control of Common Tansy and Oxeye Daisy, Jeff Littlefield
  • Biological Control of Invasive Hawkweed and Tansy Ragwort, Jeff Littlefield
  • Biological Control of Russian Knapweed, Jeff Littlefield
  • Biological Control of Whitetop and Perennial Pepperweed,Jeff Littlefield
  • Can Biological Control and Targeted Sheep Grazing be Integrated to Suppress Spotted Knapweed?, Jeff Mosley
  • Cheatgrass Ecology and Integrated Management, Jane Mangold
  • Continental Divide Invasive Weed Barrier Zone, Kim Goodwin
  • Establishing and Monitoring Insectaries for Yellow Toadflax Biocontrol, David Weaver
  • Herbicide Resistance Extension Information for Montana Producers, William Dyer
  • Identifying and Testing Candidate Agents for Russian Olive Biocontrol, David Weaver
  • Implementing EDRR in Montana Using the INVADERS Database, Jane Mangold
  • Integration of Pathogens, Sheep, and Herbicides to Manage Cheatgrass, Fabian Menalled
  • Missouri River Watershed Coalition Coordination, Elizabeth Galli-Noble
  • Rangeland Revegetation Revisited, Jane Mangold        Saltcedar Effects on Mycorrhizal Fungal Communities and Screening of Native Species for Restoration, Erik Lehnhoff
  • Tall Buttercup Ecology and Integrated Management, Jane Mangold
  • Weed Free Borders Protection Program, Kim Goodwin
  • Weed Management Certification Program, Jane Mangold
  • Weed Seedling Identification Guide, Jane Mangold

Download a copy of the complete report 2013 MSU Annual Report to the MNWTF

Weed of the Week Series – Oxeye Daisy

Thursday, July 1st, 2010



Oxeye Daisy is native to Europe and was introduced to the United States as a contaminant in seed and as an ornamental.  It was quick to escape cultivation and has since been a common weed.  It was not only grown for its beauty but also for its natural remedies associated with whooping cough, asthma, and other coughs.  The leaves can also be eaten in salads.

Oxeye Daisy is found in most states but is less common in the south.  It is listed as a noxious weed in Washington, Wyoming, and Montana.  It was first reported in Montana in 1890 and its distribution across the state is still increasing.


Cattle avoid eating oxeye daisy and therefore it has become widespread throughout pasturelands.  Stands of this plant can become very dense and displace native vegetation.  It has the ability to form dense stands because a single plant can produce up to 26,000 seeds per year and each one of those seeds can remain viable in the soil for up to 40 years.  This plant also has the ability to spread by roots.


Oxeye daisy is a perennial plant that looks like a typical daisy, with 20-30 white petals that radiate out from a yellow center.  This plant can grow to be 1-3 feet tall.  The leaves progressively get smaller in size the higher up the stem they are.  The basal leaves and the lower stem leaves are lance shaped with toothed margins and the leaves on the upper stem are alternately arranged, narrow, and often clasp the stem.  Scentless chamomile and shasta daisy look very similar to oxeye daisy but scentless chamomile is an annual and shasta daisy grows to be 6-12 inches taller than oxeye daisy.

What can you do?

Proper management is often neglected because oxeye daisy is a showy, attractive plant.  It is often included in wildflower seed mixes so consumers need to be sure to read labels.  Mowing can be beneficial if it is done as soon as flowers appear which will reduce seed production.  If mowing is the only means of control it needs to be repeated throughout the growing season because each mowing many stimulate shoot growth and subsequent flowerings will occur.  This plant can be dug up but all of the root system must be removed.  This process will have to be continued for several years because of the seed viability.   Herbicides can be a very useful tool in the fight against oxeye daisy if the proper chemical is used at the proper rate.  Horses, sheep, and goats will readily graze on daisy so they can also play a part in controlling this weed.  If you have any questions about Oxeye daisy or any other noxious weed please call your local weed district.

Visit the MWCA Weed ID pages for additional information and pictures of oxeye daisy.

This series of articles was developed by Ravalli County.  If you would like to use these articles please contact Ravalli County Weed District Weed Coordinator at (406) 777-5842.