Herbicide label

OxyStar 2E

OxyStar 2E (EPA 42750-136) is a Group 14 oxyfluorfen herbicide labeled for 7 crops. The label lists 110 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

OxyStar 2E label facts

Crops on the OxyStar 2E label

OxyStar 2E is labeled for these 7 crops and uses, per the EPA label.

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Weeds on the OxyStar 2E label

The OxyStar 2E label names 112 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 control110
  • ageratum
  • amaranth, spiny
  • balsamapple
  • barnyardgrass, common
  • bedstraw, catchweed
  • bentgrass
  • bittercress, lesser
  • bluegrass, annual
  • bluegrass, kentucky
  • bluegrass, roughstalk
  • buckwheat, wild
  • burclover
  • buttercup, smallflower
  • buttonweed
  • camphorweed
  • canarygrass, annual
  • carpetweed
  • mallow
  • clover, red
  • clover, white
  • cocklebur, common
  • crabgrass, large
  • crotalaria, showy
  • croton, tropic
  • cudweed, narrowleaf
  • eveningprimrose, cutleaf
  • fine fescue
  • fescue, hard
  • rattail fescue
  • fescue, tall
  • fiddleneck
  • filaree, broadleaf
  • filaree, redstem
  • filaree, whitestem
  • fireweed
  • flixweed
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • galinsoga
  • carolina geranium
  • goosegrass
  • groundcherry, cutleaf
  • groundcherry, wright
  • groundsel, common
  • henbit
  • horseweed
  • jimsonweed
  • johnsongrass, seedling
  • knotweed, prostrate
  • ladysthumb
  • lambsquarters, common
  • prickly lettuce
  • mallow, little
  • mayweed
  • minerslettuce
  • morning glory, annual
  • morningglory, ivyleaf
  • morningglory, tall
  • mustard, black
  • mustard, blue
  • mustard, common yellow
  • mustard, hedge
  • mustard, tumble
  • mustard, wild
  • nettle, burning
  • nightshade, american black
  • nightshade, black
  • nightshade, hairy
  • wild oats
  • orach, red
  • orchardgrass
  • oxalis
  • panicum, fall
  • pepperweed, virginia
  • pepperweed, yellowflower
  • pigweed, prostrate
  • pigweed, redroot
  • pimpernel, scarlet
  • poinsettia, wild
  • puncturevine
  • purslane, common
  • pusley, florida
  • ragweed, common
  • redmaids
  • rocket, london
  • ryegrass, italian
  • sage, lanceleaf
  • sandbur, field
  • sandspurry, red
  • sesbania, hemp
  • shepherd's-purse
  • sicklepod
  • sida, prickly
  • signalgrass, broadleaf
  • smartweed, pennsylvania
  • sorrel, red
  • sowthistle, annual
  • speedwell
  • spurge, garden
  • spurge, prostrate
  • spurge, spotted
  • spurry, corn
  • tansymustard
  • thistle, bull
  • thistle, russian
  • velvetleaf
  • witchgrass
  • witchweed
  • woodsorrel, common yellow

Suppression

suppression2
  • brome, california
  • ryegrass, perennial

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OxyStar 2E 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, CA, 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.

OxyStar 2E FAQ

What weeds does OxyStar 2E control?

The OxyStar 2E label names 112 weeds, including ageratum, spiny amaranth, balsamapple, common barnyardgrass, catchweed bedstraw, and bentgrass. Control varies by crop, rate, and timing.

What crops is OxyStar 2E labeled for?

OxyStar 2E is labeled for 7 crops and uses, including field corn, soybeans, cotton, chickpea, and fallow.

What is the active ingredient in OxyStar 2E? Is it a generic?

OxyStar 2E's active ingredient is oxyfluorfen (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 OxyStar 2E?

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 OxyStar 2E?

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.