Herbicide label

Curtail Herbicide Label

Curtail (EPA 62719-48) is a Group 4 2,4-d and clopyralid herbicide labeled for 5 crops. The label lists 62 controlled weeds, plus partial-control, suppression, and partner-control categories.

Curtail label facts

Crops on the Curtail label

Curtail is labeled for these 5 crops and uses, per the EPA label.

Weeds on the Curtail label

The Curtail label names 68 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 control62
  • alfalfa
  • jerusalem artichoke
  • burdock
  • clover, red
  • sweetclover
  • clover, white
  • dandelion
  • dock, curly
  • groundsel, common
  • hawkweed, orange
  • hawkweed, yellow
  • knapweed, diffuse
  • knapweed, spotted
  • locoweed, Lambert
  • locoweed, white
  • plantain
  • salsify, meadow
  • sorrel, red
  • teasel, common
  • thistle, bull
  • thistle, musk
  • buckwheat, wild
  • chamomile, false
  • mayweed, chamomile
  • clover, black medic
  • clover, hop
  • cocklebur, common
  • coffeeweed
  • cornflower
  • hawksbeard, narrowleaf
  • horseweed
  • jimsonweed
  • ladysthumb
  • lambsquarters, common
  • prickly lettuce
  • marshelder
  • mustard, tumble
  • mustard, wild
  • nightshade, black
  • nightshade, cutleaf
  • nightshade, eastern black
  • nightshade, hairy
  • pennycress, field
  • pigweed, redroot
  • pineapple-weed
  • radish, wild
  • ragweed, common
  • ragweed, giant
  • shepherd's-purse
  • sicklepod
  • smartweed, pennsylvania
  • sowthistle, annual
  • starthistle, yellow
  • sunflower, annual
  • thistle, canada
  • thistle, russian
  • velvetleaf
  • vetch
  • beans, volunteer
  • lentil, volunteer
  • pea, volunteer
  • wormwood, biennial

Suppression

suppression6
  • knapweed, russian
  • sowthistle, perennial
  • buffalobur
  • flixweed
  • kochia
  • tansymustard, pinnate

Curtail 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.

Curtail FAQ

What weeds does Curtail control?

The Curtail label names 68 weeds, including alfalfa, jerusalem artichoke, burdock, red clover, sweetclover, and white clover. Control varies by crop, rate, and timing.

What crops is Curtail labeled for?

Curtail is labeled for 5 crops and uses, including wheat, barley, fallow, grass seed, and durum wheat.

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

Curtail's active ingredient is 2,4-d and clopyralid (MOA Group 4). 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.