Identification and Control of Johnsongrass, Vaseygrass, and Guinea Grass in Pastures

Brent Sellers, Hunter Smith, and Jason Ferrell

Release Date: 8/26/2025

DOI: 10.32473/edis-ag372-2012

Agriculture

Abstract

Johnsongrass is a common weed throughout the South and Midwest. People often incorrectly call any weed johnsongrass, but it is one of three grasses found in Florida pastures. Knowing the differences between johnsongrass, vaseygrass, and guinea grass will help with proper weed management.

About this Publication

This document is SS-AGR-363, one of a series of the Department of Agronomy, UF/IFAS Extension. Original publication date August 2012. Revised November 2018 and January 2025. Visit the EDIS website at https://edis.ifas.ufl.edu for the currently supported version of this publication.

About the Authors

Brent Sellers, professor, Department of Agronomy; Hunter Smith, graduate assistant; and Jason Ferrell, professor, Department of Agronomy; UF/IFAS Range Cattle Research and Education Center; UF/IFAS Extension, Gainesville, FL 32611.

How to Cite

Smith, H., Ferrell, J., & Sellers, B. (2012). Identification and Control of Johnsongrass, Vaseygrass, and Guinea Grass in Pastures. EDIS, 2012(8). https://doi.org/10.32473/edis-ag372-2012

Authors

Brent Sellers

Contact

Specialist

University of Florida

center director and professor, Department of Agronomy, UF/IFAS Range Cattle Research and Education Center, Ona, FL

View Brent Sellers's Profile

Jason Ferrell

Specialist

University of Florida

professor, weed science and invasive plants, and chair, UF/IFAS Department of Agronomy; and director, UF/IFAS Center for Aquatic and Invasive Plants, Gainesville, FL

View Jason Ferrell's Profile

Publication #SS-AGR-363

Disclaimers

The use of trade names in this publication is solely for the purpose of providing specific information. UF/IFAS does not guarantee or warranty the products named, and references to them in this publication do not signify our approval to the exclusion of other products of suitable composition.

All chemicals should be used in accordance with directions on the manufacturer's label.