Close-up of barley field with clouds in background



Powerful broadleaf weed control combined with trusted Group 1 chemistry.

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Annual and Perennial Broadleaf Control with Rotational Freedom

Narrow-leaved hawk's beard

Get control of the widest range of annual broadleaf weeds including kochia (Group 2 and Group 9 resistant), narrow-leaved hawk’s-beard, wild buckwheat, Canada thistle, perennial sow thistle and dandelion with rotational freedom to lentils or chickpeas the following year

Multi-Mode of Action

Multi-Mode of Action wordmark

Tank mixed with MCPA Ester, get multi-mode of action control of many key broadleaf weeds

Group 1 Grass Control

Wheat crop

Crop safe, flexible, group 1 control of wild oats, barnyard grass, and more


Below lists the crops that Avenza herbicide can be used on.



Wheat, Spring Seeded (Triticum spp.)

Winter Wheat


Avenza + MCPA Ester Weeds

Prickly lettuce Wild radish
Annual sow thistle Ragweed Wild Sunflower
Bluebur Redroot pigweed**
Cleavers** Round-leaved mallow** Barnyard grass : Suppression only when tank mixed with MCPA.
Cocklebur Russian pigweed Green foxtail
Common chickweed** Russian thistle Proso millets
Cow cockle Shepherd’s purse** Volunteer oats
Daisy fleabane Smartweed** Volunteer canary seed
False flax Stinging nettle Wild oats
Flixweed Stinkweed** Yellow foxtail
Goat’s-beard Stork’s-bill
Hemp-nettle** Sweet clover Canada thistle
Kochia Volunteer canola** Dandelion
Lamb’s-quarters Volunteer flax** Perennial sow thistle
Narrow-leaved hawk’s‑beard Wild buckwheat**  
Plantain Wild mustard**  
** Weed controlled by multi-mode of action when tank mixed with MCPA Ester at 5 oz per acre.



Now registered in the following provinces:

  • Registered
  • Unregistered

Technical Specifications

  • Herbicide Group
    • Group 1 (Grass)
    • Group 2 and 4 (Broadleaf)
  • Additional Information

    Rainfast: 2 Hours

  • Application Timing

    Avenza + MCPA
    Crop: 3-leaf to 6-leaf

  • Packaging
    • 20 acre co-packs 
    • 160 acre bulk units
  • Crop Rotation

    All major crops the following spring.

  • Tank Mixes

    MCPA Ester


Labels (PDF)

GF-2257 Herbicide Label
Avenza B Herbicide Label

Herbicide GF-2257 étiquette
Herbicide Avenza B étiquette

Safety Data Sheets (PDF)

GF-2257 Herbicide SDS
Avanza B Herbicide SDS

Herbicide GF-2257 fiche signalétique
Herbicide Avenza B fiche signalétique

Technical Bulletin

Avenza Herbicide Technical Bulletin

Product Guide(PDF)

2019 West Field Guide

Before use and for complete product information, please read and follow label directions.