Herbicide label

Spartan FL 4F Herbicide Label

Spartan FL 4F (EPA 279-3220) is a Group 14 sulfentrazone herbicide labeled for 7 crops. The label lists 26 controlled weeds, plus partial-control, suppression, and partner-control categories.

“Spartan 4F is a selective soil-applied herbicide for the control of susceptible broadleaf, grass and sedge weeds.”

— Spartan FL 4F EPA label, Reg. No. 279-3220

Spartan FL 4F label facts

Crops on the Spartan FL 4F label

Spartan FL 4F is labeled for these 7 crops and uses, per the EPA label.

Weeds on the Spartan FL 4F label

The Spartan FL 4F label names 26 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 control26
  • amaranth, palmer
  • sida, prickly
  • amaranth, powell
  • bedstraw, catchweed
  • mayweed, chamomile
  • shepherd's-purse
  • toadflax, yellow
  • copperleaf, hophornbeam
  • filaree, redstem
  • kochia
  • nightshade, eastern black
  • lambsquarters, common
  • thistle, russian
  • waterhemp, common
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • pigweed, redroot
  • morningglory, palmleaf
  • morningglory, purple
  • morningglory, scarlet
  • morningglory, smallflower
  • nightshade, black
  • morningglory, red
  • morningglory, tall
  • nutsedge, yellow
  • pigweed, smooth

Spartan FL 4F 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.

Spartan FL 4F FAQ

What weeds does Spartan FL 4F control?

The Spartan FL 4F label names 26 weeds, including palmer amaranth, prickly sida, powell amaranth, catchweed bedstraw, chamomile mayweed, and shepherd's-purse. Control varies by crop, rate, and timing.

What crops is Spartan FL 4F labeled for?

Spartan FL 4F is labeled for 7 crops and uses, including soybeans, sunflower, sugarcane, chickpea, and field pea.

What is the active ingredient in Spartan FL 4F? Is it a generic?

Spartan FL 4F's active ingredient is sulfentrazone (MOA Group 14). 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.