Now offering: Contactless Curbside Pickup

Retail Locations


Now offering: Contactless Curbside Pickup

Red River Specialties, LLC takes the health of our customers and employees very seriously, but still wants to guarantee that you receive the same superior customer service. To ensure everyone gets the product they need and stays safe we are now offering “contactless curbside pickup”. Please contact your local warehouse. We will process your order and load it in your vehicle without you even needing to get out of your vehicle.Thank you for your business and stay healthy.

Garlon 4 Ultra


Garlon 4 Ultra

Active Ingredients: Triclopyr

Markets: Forestry, IVM/Aquatic,


Manufacturer: Corteva

Garlon 4 Ultra


Packaging: 2.5 gal
30 gal plastic drum

Package Sizes Available Online: 2.5 gallons

Product Literature


Garlon 4 Ultra herbicide is the industry standard for basal cut-stump, basal bark and dormant-stem treatments, delivering excellent broad-spectrum control of woody plants even after other products call it quits for the season.

Garlon 4 Ultra has a reduced environmental impact

Garlon® 4 Ultra herbicide features a patented, non-petroleum based, plant-derived seed oil solvent that helps reduce environmental impact.

Proven brush control

This herbicide demonstrates increased efficacy on multiple woody species, including mesquite, sweetgum and Scotch broom compared with other formulations of triclopyr ester.

Flexible application window

Garlon®️ 4 Ultra has an increased application window that allows crews to work year-round, including the dormant season.


  • Improved formulation, 4 lbs. a.i./gallon
  • Industry standard for cut-stump, basal bark and dormant stem treatments
  • Demonstrates increased efficacy on multiple woody species, including mesquite, sweetgum and scotch broom
  • Garlon 4 Ultra provides broad-spectrum control of brush and broadleaf weeds
  • Low odor
  • Packaged in easy-to-use 2 ½ gallon containers and 30-gallon plastic drums
  • Available in returnable, refillable containers through Continuum™ Prescription Control & Container Management System

For other quantity options or questions, please contact your local Red River Specialties Sales Rep or email 

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