Ask A Pro: 866-581-7378 Mon-Fri 9am-5pm ET Contact Us
Fast Free Shipping On Your Entire Order*
DoMyOwn - Do It Yourself Pest Control
  • Use "Spacebar" or "Enter" to expand the My Account navigation menu.
  • Use Down or Tab key to select next menu item.
  • Use Up or Shift+Tab keys to select the previous item.
  • Use Enter/Space key to visit the menu item.
  • Use Esc key to leave the submenu.
  • Use Left/Right arrow keys to allow users to navigate within the navigation links.
  • Use Down arrow key to expand the submenu and up/down arrow keys to navigate within the submenu.
  • Use Enter/Space key to select the menu/submenu items.
  • Use Esc key to leave the submenu.

Cyber Monday Sale - Save 10% Off Almost Everything* - Use Code CYBER2025 at Checkout - Shop Now » *Exclusions Apply

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?

Answer:

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

$298.89

Free Shipping*

Buy Now