Vaseygrass, Johnsongrass, or Guinea Grass?

Proper identification is the key to any successful herbicide program. This time of year questions and pictures come flooding in to assist clients in the identification of perennial grasses growing in their pastures an fields. Johnsongrass, Vaseygrass, and Guinea Grass are the three main culprits, and although at a quick glance they may look similar, the herbicide treatment for each is very different.

Important means of differentiation

There are 7 main keys to successfully identify these three grasses, and to simplify things they have been categorized into the table below. For pictures, please visit the EDIS document Identification and Control of Johnsongrass, Vaseygrass, and Guinea Grass.

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