Herbicide label

WC-CFZ Herbicide Label

WC-CFZ (EPA 279-9657) is a Group 14 carfentrazone-ethyl herbicide labeled for 42 crops. The label lists 59 controlled weeds, plus partial-control, suppression, and partner-control categories.

“WC-CFZ is a contact herbicide for directed spray application to the basal portion of the hop plant for the management of sucker growth.”

— WC-CFZ EPA label, Reg. No. 279-9657

WC-CFZ label facts

Crops on the WC-CFZ label

WC-CFZ is labeled for these 42 crops and uses, per the EPA label.

Weeds on the WC-CFZ label

The WC-CFZ label names 90 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 control59
  • amaranth, spiny
  • anoda, spurred
  • bedstraw, catchweed
  • bindweed, field
  • buffalobur
  • burclover
  • carpetweed
  • mallow
  • cocklebur, common
  • copperleaf, hophornbeam
  • cotton, GMO varieties
  • cotton, volunteer
  • dayflower
  • eclipta
  • fiddleneck
  • filaree, broadleaf
  • filaree, redstem
  • filaree, white
  • flixweed
  • groundcherry, smooth
  • groundcherry, Wright's
  • jimsonweed
  • kochia
  • lambsquarters, common
  • prickly lettuce
  • mallow, common
  • mallow, venice
  • meadowfoam
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, pitted
  • morningglory, scarlet
  • nettle, burning
  • nightshade, American black
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • pennycress, field
  • pigweed, prostrate
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, tumble
  • purslane, common
  • redmaids
  • rocket, london
  • sage, lanceleaf
  • sesbania, hemp
  • shepherd's-purse
  • smartweed, pennsylvania
  • sowthistle
  • speedwell, Virginia
  • dayflower, benghal
  • spurge, prostrate
  • spurry, corn
  • tansymustard
  • thistle, russian
  • velvetleaf
  • wallflower, bushy
  • waterhemp, common

Controls with a tank-mix partner

needs partner31
  • amaranth, palmer
  • buckwheat, wild
  • buttercup, smallflower
  • chickweed
  • dock, curled
  • eveningprimrose, cutleaf
  • fleabane, annual
  • groundsel, common
  • henbit
  • horseweed
  • knotweed, prostrate
  • morningglory, spp.
  • star-of-Bethlehem
  • thistles, annual and biennial
  • croton, woolly
  • gromwell, common
  • miner's lettuce
  • mustard, blue
  • mustard, tansy
  • mustard, tumble
  • mustard, wild
  • pepperweed, greenflower
  • primrose, cutleaf
  • primrose, tumble
  • radish, wild
  • ragweed, common
  • ragweed, giant
  • sowthistle, annual
  • speedwell
  • sunflower, wild
  • tarweed, coast

WC-CFZ 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.

WC-CFZ FAQ

What weeds does WC-CFZ control?

The WC-CFZ label names 90 weeds, including spiny amaranth, spurred anoda, catchweed bedstraw, field bindweed, buffalobur, and burclover. Control varies by crop, rate, and timing.

What crops is WC-CFZ labeled for?

WC-CFZ is labeled for 42 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.

What is the active ingredient in WC-CFZ? Is it a generic?

WC-CFZ's active ingredient is carfentrazone-ethyl (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.