Product Q&A

« See More Q&A's

Seth from Tyler, Tx writes

Is Pennant Magnum safe for use on St Augustine or will it cause yellowing?


Pennant Magnum is labeled for use on St. Augustinegrass. Please refer to the label for complete application instructions. 

Answer last updated on: 07/25/2020

Was this answer helpful to you? Yes No

Pennant Magnum Herbicide

Pennant Magnum Herbicide

3.5 out of 5 stars


Free Shipping*