Herbicide label

DuPont BL2

DuPont BL2 (EPA 352-885) is a Group 5 metribuzin herbicide labeled for 7 crops. The label lists 82 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

DuPont BL2 label facts

Crops on the DuPont BL2 label

DuPont BL2 is labeled for these 7 crops and uses, per the EPA label.

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Weeds on the DuPont BL2 label

The DuPont BL2 label names 103 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 control82
  • barley
  • bittercress
  • bluegrass, roughstalk
  • starbur, bristly
  • signalgrass, broadleaf
  • millet, browntop
  • buffalobur
  • carpetweed
  • catchfly, conical
  • catchweed
  • brome, downy
  • chickweed, common
  • chickweed, mouseear
  • cocklebur, common
  • copperleaf hophornbeam
  • cowcockle
  • crabgrass
  • crowfootgrass
  • dogfennel
  • eveningprimrose, cutleaf
  • falseflax, smallseed
  • fiddleneck, tarweed
  • filaree, redstem
  • beggarweed, florida
  • pusley, florida
  • foxtail, green
  • galinsoga
  • geranium
  • gromwell, carolina
  • goosegrass
  • henbit
  • horseweed
  • jimsonweed
  • johnsongrass, seedling
  • junglerice
  • knotweed
  • knotweed, prostrate
  • kochia
  • ladysthumb
  • lambsquarters
  • lambsquarters, common
  • miner's lettuce
  • mallow, venice
  • morningglory
  • mustard, blue
  • mustard, jim hill
  • mustard, treacle
  • mustard, wild
  • mustards
  • panicum, fall
  • pennycress, field
  • pepperweed, virginia
  • pigweed spp.
  • pigweed
  • pineapple-weed
  • polemonium, annual
  • purslane
  • radish, wild
  • ragweed, common
  • ragweed, giant
  • redweed
  • thistle, russian
  • sandbur, field
  • sesbania
  • shattercane
  • shepherd's-purse
  • sicklepod
  • sida, prickly
  • smartweed, pennsylvania
  • smartweeds
  • spurge, spotted
  • anoda, spurred
  • sunflower
  • sunflower, annual
  • turnip, wild
  • velvetleaf
  • waterhemp, common
  • waterhemp spp.
  • volunteer wheat
  • wild mustards
  • wild oats
  • witchgrass

Partial control

partial2
  • cocklebur, common
  • horseweed

Suppression

suppression26
  • barley, hare
  • barley, little
  • barnyardgrass, common
  • blackgrass
  • bluegrass, annual
  • bluegrass, bulbous
  • brome, downy
  • brome, japanese
  • brome, ripgut
  • buckwheat, wild
  • buttercup
  • cheat
  • dandelion, common
  • foxtail spp.
  • foxtail
  • horseweed
  • kochia
  • prickly lettuce
  • mustard, tansy
  • mustard, tumble
  • wild oats
  • rescuegrass
  • thistle, russian
  • vetch, winter
  • whitlowgrass, spring
  • windgrass, common

Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.

DuPont BL2 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 and your soil texture.

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, the rotational crop, and your state, region, and rainfall — some intervals differ in AK, AL, AR, AZ, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, and WY.

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.

DuPont BL2 FAQ

What weeds does DuPont BL2 control?

The DuPont BL2 label names 103 weeds, including barley, bittercress, roughstalk bluegrass, bristly starbur, broadleaf signalgrass, and browntop millet. Control varies by crop, rate, and timing.

What crops is DuPont BL2 labeled for?

DuPont BL2 is labeled for 7 crops and uses, including field corn, soybeans, wheat, barley, and corn silage.

What is the active ingredient in DuPont BL2? Is it a generic?

DuPont BL2's active ingredient is metribuzin (MOA Group 5). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

What's the plant-back interval after DuPont BL2?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.

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Can I tank-mix DuPont BL2?

It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.

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Sources

Last updated 2026-07-14.