Herbicide label

DuPont BL3

DuPont BL3 (EPA 352-915) is a Group 14 flumioxazin herbicide labeled for 3 crops. The label lists 53 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

DuPont BL3 label facts

Crops on the DuPont BL3 label

DuPont BL3 is labeled for these 3 crops and uses, per the EPA label.

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Weeds on the DuPont BL3 label

The DuPont BL3 label names 84 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 control53
  • amaranth, palmer
  • anoda, spurred
  • beggarweed, florida
  • carpetweed
  • chamomile, false
  • chickweed, common
  • chickweed, mouseear
  • croton, tropic
  • crownbeard, golden
  • dandelion
  • eclipta
  • eveningprimrose, cutleaf
  • henbit
  • horseweed
  • indigo, hairy
  • jimsonweed
  • kochia
  • lambsquarters, common
  • prickly lettuce
  • mallow, little
  • mallow, venice
  • mayweed
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, red
  • morningglory, scarlet
  • morningglory, smallflower
  • morningglory, tall
  • mustard, wild
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • pennycress, field
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, spiny
  • pigweed, tumble
  • poinsettia, wild
  • puncturevine
  • purslane, common
  • pusley, florida
  • radish, wild
  • ragweed, common
  • redmaids
  • rocket, london
  • rocket, yellow
  • senna, coffee
  • sesbania, hemp
  • shepherd's-purse
  • sida, prickly
  • sowthistle, prickly
  • spurge, spotted
  • waterhemp, common

Partial control

partial2
  • ragweed, common
  • waterhemp, common

Suppression

suppression23
  • barnyardgrass, common
  • bluegrass, annual
  • brome, downy
  • buckwheat, wild
  • cheat
  • copperleaf, hophornbeam
  • crabgrass, large
  • foxtail, giant
  • goosegrass
  • ladysthumb
  • lovegrass, california
  • panicum, fall
  • panicum, texas
  • ragweed, giant
  • ryegrass, italian
  • signalgrass, broadleaf
  • smartweed, ladysthumb
  • smartweed, pennsylvania
  • smellmelon
  • starbur, bristly
  • thistle, russian
  • velvetleaf
  • wormwood, biennial

Controls with a tank-mix partner

needs partner8
  • volunteer canola
  • carolina geranium
  • cockle, white
  • deadnettle, purple
  • flixweed
  • groundsel, cressleaf
  • mallow, common
  • mustard, tansy

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

DuPont BL3 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 cites the exact per-acre rate for your crop to 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 cites the exact plant-back for your rotational crop to the label line.

DuPont BL3 FAQ

What weeds does DuPont BL3 control?

The DuPont BL3 label names 84 weeds, including palmer amaranth, spurred anoda, florida beggarweed, carpetweed, false chamomile, and common chickweed. Control varies by crop, rate, and timing.

What crops is DuPont BL3 labeled for?

DuPont BL3 is labeled for 3 crops and uses, including field corn, soybeans, and fallow.

What is the active ingredient in DuPont BL3? Is it a generic?

DuPont BL3's active ingredient is flumioxazin (MOA Group 14). 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 BL3?

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

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Can I tank-mix DuPont BL3?

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 cites the condition on each, so you can verify it.

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Sources

Last updated 2026-07-10.