Herbicide label

Trizenta Herbicide Label

Trizenta (EPA 66330-353) is a Group 1 clethodim herbicide labeled for 24 crops. The label lists 55 controlled weeds, plus partial-control, suppression, and partner-control categories.

“This product is a selective postemergence herbicide for control of annual and perennial grasses.”

— Trizenta EPA label, Reg. No. 66330-353

Trizenta label facts

Crops on the Trizenta label

Trizenta is labeled for these 24 crops and uses, per the EPA label.

Weeds on the Trizenta label

The Trizenta label names 56 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.

Controls

full control55
  • barley
  • barnyardgrass, common
  • bentgrass
  • bermudagrass
  • bluegrass, annual
  • bluegrass, kentucky
  • bluegrass, roughstalk
  • brome, california
  • brome, cheat
  • brome, downy
  • brome, ripgut
  • canarygrass
  • corn, Roundup Ready volunteer
  • corn, volunteer
  • crabgrass, hairy
  • crabgrass, large
  • crabgrass, smooth
  • crabgrass, southern
  • crowfootgrass
  • cupgrass, southwestern
  • cupgrass, woolly
  • fescue, tall
  • foxtail barley
  • foxtail, giant
  • foxtail, green
  • foxtail, millet
  • foxtail, yellow
  • goosegrass
  • grain sorghum, volunteer
  • rhizome johnsongrass
  • johnsongrass, seedling
  • junglerice
  • lovegrass, stinkgrass
  • millet, wild-proso
  • muhly, wirestem
  • oats
  • orchardgrass
  • panicum, fall
  • panicum, texas
  • quackgrass
  • rabbitsfootgrass
  • red rice
  • rye, volunteer
  • ryegrass, hardy
  • ryegrass, italian
  • sandbur, field
  • shattercane
  • signalgrass, broadleaf
  • sprangletop, amazon
  • sprangletop, bearded
  • sprangletop, mexican
  • sprangletop, red
  • volunteer wheat
  • wild oats
  • witchgrass

Suppression

suppression1
  • corn, sethoxydim-resistant volunteer

Trizenta rates and plant-back

The label answers both with a table, not a single number. Here is what drives each answer.

Application rate

Your rate depends on your crop.

Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.

Trizenta FAQ

What weeds does Trizenta control?

The Trizenta label names 56 weeds, including barley, common barnyardgrass, bentgrass, bermudagrass, annual bluegrass, and kentucky bluegrass. Control varies by crop, rate, and timing.

What crops is Trizenta labeled for?

Trizenta is labeled for 24 crops and uses, including soybeans, cotton, sunflower, potato, and peanut.

What is the active ingredient in Trizenta? Is it a generic?

Trizenta's active ingredient is clethodim (MOA Group 1). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

Sources

Last updated 2026-09-30.