Stellar XL


Combat tough broadleaf weeds, including kochia, hemp-nettle and wild buckwheat with early-season control from Stellar™ XL herbicide.


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StellarTM XL offers several benefits that make it a high-performing, easy-to-use broadleaf weed herbicide:

Convenient packaging

Young oats

StellarTM XL’s all-in-one formulation decreases volume by 40% and is available in 40-acre cases, 240-acre drums and 1280-acre totes. Totes take up less space and are easier to transport, handle and dispose of, allowing for increased efficiency at spray season.

Flexible application

Wheat head

StellarTM XL has a wide window of application allowing you to combat annual broadleaf weeds from the 3- to 6-leaf stage, plus has no re-cropping restrictions.

Stellar performance

Barley field Controls a wide range of annual broadleaf weeds, including kochia, cleavers, and hemp-nettle (Group 2 resistant biotypes) and several others in wheat, barley and oats.


Use StellarTM XL for high-performing annual broadleaf weed control in the following crops.    


Barley (Hordeum vulgare ssp. vulgare)


Oat (Avena spp.)


Wheat, Durum (Triticum durum)

Wheat, Spring Seeded (Triticum aestivum)


Registered for use in the prairie provinces and the Peace River region of British Columbia.

  • Registered
  • Unregistered

Technical Specifications

  • Rates

    • 40 ac/case (20 ac/jug)

    • 1200 ac/pallet (240 ac/drum)

    • 1280 ac/tote

    • Water volume

    - Ground: 40 L/ac (10 *US *gal/ac)

    - Air: Not registered

  • Application Timing

    When to apply

    • Crop stage: 3- to 6-leaf

    • Weed stage: 1- to 4-leaf, or as indicated on the product label


    2 hours

  • Formulations
    Convenient, all-in-one XL formulation.
  • Packaging

    Available in 40-acre cases, 240-acre drums and 1280-acre totes.

    2X8.1L case
    97.1L drum
    518L Tote

  • Crop Rotation
    Seed to all major crops the year following application.
  • Mixing Instructions

    When mixing, you will use step 5 or step 7 but not both.

    • Fill the spray tank with ½ to ¾ of the required amount of water.

    • Continue agitation throughout the mixing and spraying procedure.

    • If water conditioner is required, add now.

    • Add any tank-mix partners that are a dry formulation.

    • If using an oil dispersible grassy weed tank-mix partner (such as Simplicity™) add now.

    • Add the required amount of Stellar XL.

    • Add the required amount of grassy weed tank-mix partner if not using an oil dispersible formulation.

    • Add any required adjuvant or surfactants.

    • Complete filling the sprayer tank with water.

    Note: Do not mix undiluted herbicides in the chem-handler

  • Herbicide Group

    Group 2

    Group 4

  • Tank Mixes

    • SimplicityTM GoDRITM

    • Axial

    • Assert®

    • Everest®

Other Products

Explore our other herbicides to find the broadleaf weed control product that will help you grow your best crops.

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Labels (PDF)
Stellar XL Herbicide Label
Herbicide Stellar XL étiquette principale

Safety Data Sheet (PDF)
Stellar XL Herbicide SDS
Herbicide Stellar XL fiche signalétique

Additional Resource Material (PDF)
West Field Guide

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