Herbicide label

Frequent Herbicide Label

Frequent (EPA 83529-121) is a Group 1 fluazifop-p-butyl herbicide labeled for 8 crops. The label lists 44 controlled weeds, plus partial-control, suppression, and partner-control categories.

Frequent label facts

Crops on the Frequent label

Frequent is labeled for these 8 crops and uses, per the EPA label.

Weeds on the Frequent label

The Frequent label names 45 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 control44
  • barley
  • brome, downy
  • corn, volunteer
  • milo, volunteer
  • oats
  • quackgrass
  • rye, volunteer
  • volunteer wheat
  • barnyardgrass, common
  • bermudagrass
  • crabgrass, large
  • crabgrass, smooth
  • crabgrass, southern
  • crabgrass, tropical
  • cupgrass, prairie
  • cupgrass, southwestern
  • cupgrass, woolly
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • goosegrass
  • guineagrass
  • guineagrass, seedling
  • rhizome johnsongrass
  • johnsongrass, seedling
  • junglerice
  • millet, wild-proso
  • muhly, wirestem
  • wild oats
  • panicum, fall
  • panicum, texas
  • red rice
  • ryegrass, italian
  • sandbur, field
  • sandbur, southern
  • shattercane
  • signalgrass, broadleaf
  • sorghum, almum
  • torpedograss
  • wildcane
  • witchgrass
  • bentgrass
  • canarygrass, littleseed
  • rabbitfootgrass

Suppression

suppression1
  • corn, volunteer (sethoxydim-resistant)

Frequent 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.

Plant-back and rotation

Your interval depends on your application rate and the rotational crop.

Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.

Frequent FAQ

What weeds does Frequent control?

The Frequent label names 45 weeds, including barley, downy brome, volunteer corn, volunteer milo, oats, and quackgrass. Control varies by crop, rate, and timing.

What crops is Frequent labeled for?

Frequent is labeled for 8 crops and uses, including soybeans, cotton, peanut, sugar beet, and dry edible bean.

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

Frequent's active ingredient is fluazifop-p-butyl (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.