Haskell County Oklahoma Cooperative Extension Service

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Haskell County OSU Extension
105 SE 3rd Street, Suite A
Stigler, OK 74462

Phone: (918) 967-4330
FAX: (918) 967-3290

Office Hours: 8 am-12 pm & 12:30 pm-4:30 pm 


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Haskell County Oklahoma Cooperative Extension Service

What Is Perilla Mint?

News Release
Submitted by:  Bradley Womack
Ext. Educator, AG/4-H, Haskell County
October 2, 2014 

 

What is Perilla Mint?

Perilla mint [Perilla frutescens (L.) Britt.] is an annual plant in the mint family that is toxic to livestock. Although cattle, horses and other livestock usually will not eat perilla mint if other plants (forage grasses, for example) are available, the chances of consumption increase if this toxic plant is baled in hay or harvested in green chop or other similar forages. Most often perilla mint occurs in shaded areas of the pasture, rather than in full sunlight. According to "Poisonous Plants of the Southeastern United States," seeds of perilla mint are often found in stomachs of deceased animals.

To avoid toxicity problems, avoid harvesting forages in areas contaminated with perilla mint. Mow perilla mint plants before seeds are produced to avoid livestock grazing and prevent weed population growth. Several of the broadleaf pasture herbicides, such as Weedmaster, Grazon P+D, 2,4-D, Banvel, Remedy, Crossbow, etc. should provide excellent control if applied timely and according to the label rate.  Sometimes spraying makes a plant more palatable so management may dictate removing livestock from problem areas for a sufficient time frame to allow plants to decompose.

For more information, contact the Haskell County OSU Extension Office at 918-967-4330 or stop by the office at 105 SE 3rd St, Ste A, Stigler, OK. 

Oklahoma State University, U.S. department of Agriculture, State and Local governments cooperating.  Oklahoma State University in compliance with Title VI and VII of the civil Rights Act of 1964, Executive Order 11246 as amended, Title IX of the Education Amendments of 1972, Americans with disabilities act of 1990, and other federal and state laws and regulations, does not discriminate on the basis of race, color, national origin, gender, age, religion, disability or status as a veteran in any of its policies, practices, or procedures.

 

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