grapesProduct Information

Longer-lasting Alion® herbicide provides a superior solution for pre-emergence control of a broad range of grass and broadleaf weeds, including resistant species. Alion is available for use in established grapes of at least 3 years of age. Alion contains a unique class of chemistry (cellulose-biosynthesis inhibitor) as its active ingredient (Group 29). Alion is the foundational herbicide offering excellent crop and environmental safety when used as directed. Alion provides up to 6 months of residual control, reducing the number of in-season sprays.


  • Table, wine, and raisin

Key weeds

  • Willowherb
  • Marestail and Fleabane
  • Filaree spp
  • Knotweed
  • Junglerice


  • For use in established vineyards at least three years after the vines have been planted and exhibiting normal growth and good vigor
  • For use on soils with less than 20% gravel content.
  • Broadcast rate of 3.5 to 5 fl. oz. per acre per year, depending on soil organic matter content, on any soil texture except sand
  • Use where grape roots have at least 6 inches of soil barrier
  • Best results achieved when applied in the fall/winter to optimize incorporation from fall and winter rains​
  • See label for detailed application information

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