Herbicide label

Stalwart Xtra Herbicide Label

Stalwart Xtra (EPA 60063-23) is a Group 5 and 15 atrazine and metolachlor herbicide labeled for 4 crops. The label lists 37 controlled weeds, plus partial-control, suppression, and partner-control categories.

“Stalwart Xtra is a selective herbicide that may be used before planting, before or after emergence (see directions) for control of most annual grasses and broadleaf weeds in corn (all types).”

— Stalwart Xtra EPA label, Reg. No. 60063-23

Stalwart Xtra label facts

Crops on the Stalwart Xtra label

Stalwart Xtra is labeled for these 4 crops and uses, per the EPA label.

Weeds on the Stalwart Xtra label

The Stalwart Xtra label names 50 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 control37
  • barnyardgrass, common
  • carpetweed
  • chickweed
  • cocklebur, common
  • crabgrass
  • crowfootgrass
  • cupgrass, prairie
  • cupgrass, southwestern
  • flixweed
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • galinsoga
  • goosegrass
  • henbit
  • jimsonweed
  • kochia
  • lambsquarters
  • foxtail, millet
  • morningglory
  • mustard
  • nightshade, black
  • nutsedge, yellow
  • panicum, browntop
  • panicum, fall
  • pigweed
  • purslane
  • pusley, florida
  • ragweed, giant
  • ragweed, common
  • red rice
  • sida, prickly
  • smartweed
  • velvetleaf
  • waterhemp, common
  • wheat, winter
  • witchgrass

Partial control

partial8
  • cupgrass, woolly
  • johnsongrass, seedling
  • purslane, common
  • sandbur
  • shattercane
  • sicklepod
  • signalgrass
  • sorghum, volunteer

Controls with a tank-mix partner

needs partner5
  • alfalfa
  • bromegrass species
  • orchardgrass
  • cereal rye
  • timothy

Stalwart Xtra 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.

Stalwart Xtra FAQ

What weeds does Stalwart Xtra control?

The Stalwart Xtra label names 50 weeds, including common barnyardgrass, carpetweed, chickweed, common cocklebur, crabgrass, and crowfootgrass. Control varies by crop, rate, and timing.

What crops is Stalwart Xtra labeled for?

Stalwart Xtra is labeled for 4 crops and uses, including field corn, sorghum, sweet corn, and corn silage.

What is the active ingredient in Stalwart Xtra? Is it a generic?

Stalwart Xtra's active ingredient is atrazine and metolachlor (MOA Group 5 and 15). 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.