Herbicide label

Four Power Plus

Four Power Plus (EPA 34704-890) is a Group 9 glyphosate herbicide labeled for 42 crops. The label lists 176 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Built from 1,700+ EPA herbicide labels and 49 state weed-control guides. Made for crop advisors and growers.

Free to create your account. Every line references the label, so you can check it against the source.

Official EPA label (PDF)

“Product Description: This product is a postemergent, systemic herbicide with no soil residual activity.”

— Four Power Plus EPA label, Reg. No. 34704-890

Four Power Plus label facts

Crops on the Four Power Plus label

Four Power Plus is labeled for these 42 crops and uses, per the EPA label.

Need the rate or timing for one of these? Filter every label by your crop, free.

Weeds on the Four Power Plus label

The Four Power Plus label names 196 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 control176
  • alfalfa
  • ammannia, purple
  • annoda, spurred
  • jerusalem artichoke
  • bahiagrass
  • barley
  • barley, little
  • barnyardgrass, common
  • bassia, fivehook
  • beggarweed, florida
  • bermudagrass
  • bermudagrass, water
  • bindweed, field
  • bittercress
  • blackberry
  • blackgum
  • bluegrass, annual
  • bluegrass, bulbous
  • bluegrass, kentucky
  • blueweed, texas
  • brome, downy
  • brome, japanese
  • bromegrass, smooth
  • buckwheat, wild
  • burcucumber
  • buttercup
  • canarygrass, reed
  • carpetweed
  • cattail
  • chamise
  • cheat
  • chervil
  • chickweed
  • clover, red
  • clover, white
  • cocklebur, common
  • cogongrass
  • copperleaf, hophornbeam
  • copperleaf, virginia
  • coreopsis, plains
  • corn, volunteer
  • crabgrass
  • virginia creeper
  • crowfootgrass
  • cupgrass, woolly
  • dallisgrass
  • dandelion
  • dwarf dandelion
  • devilsclaw
  • dock, curly
  • dodder
  • dogbane, hemp
  • eclipta
  • eucalyptus
  • eveningprimrose, cutleaf
  • falsedandelion
  • falseflax, smallseed
  • fescue
  • fescue, tall
  • fiddleneck
  • filaree, broadleaf
  • fleabane, annual
  • fleabane, hairy
  • fleabane, rough
  • foxtail, bristly
  • foxtail, carolina
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • carolina geranium
  • goatgrass, jointed
  • goosegrass
  • groundcherry
  • groundsel, common
  • guineagrass
  • hazel
  • poison hemlock
  • henbit
  • honeysuckle
  • horsenettle
  • horseradish
  • horseweed
  • poison ivy
  • jimsonweed
  • johnsongrass
  • johnsongrass, seedling
  • junglerice
  • knapweed
  • knotweed
  • kochia
  • lambsquarters
  • lespedeza
  • prickly lettuce
  • mannagrass, eastern
  • mayweed
  • milkweed, common
  • millet, wild-proso
  • morningglory
  • muhly, wirestem
  • mullein, common
  • mustard, blue
  • mustard, tansy
  • mustard, tumble
  • mustard, wild
  • needles, spanish
  • nightshade, black
  • nightshade, hairy
  • nightshade, silverleaf
  • nutsedge, purple
  • nutsedge, yellow
  • oak, pin
  • oats
  • wild oats
  • orchardgrass
  • pampasgrass
  • panicum, browntop
  • panicum, fall
  • panicum, texas
  • paragrass
  • pennycress, field
  • pepperweed, virginia
  • pigweed
  • pokeweed, common
  • purslane
  • pusley, florida
  • quackgrass
  • ragweed, common
  • ragweed, giant
  • reed, giant
  • red rice
  • rocket, london
  • rocket, yellow
  • cereal rye
  • rye, volunteer
  • ryegrass
  • ryegrass, perennial
  • sage, black
  • salt-cedar
  • sandbur, field
  • sandbur, longspine
  • sesbania, hemp
  • shattercane
  • shepherd's-purse
  • sicklepod
  • sida, prickly
  • signalgrass, broadleaf
  • smartweed, ladysthumb
  • smartweed, pennsylvania
  • smartweed, swamp
  • grain sorghum
  • sowthistle, annual
  • sowthistle, perennial
  • speedwell, corn
  • speedwell, purslane
  • sprangletop
  • spurge, prostrate
  • spurge, spotted
  • spurry, umbrella
  • starbur, bristly
  • starthistle, yellow
  • stinkgrass
  • sunflower
  • sweetgum
  • swinecress
  • thistle, canada
  • thistle, russian
  • timothy
  • trumpetcreeper
  • vaseygrass
  • velvetgrass
  • velvetleaf
  • waterhemp, common
  • wheat
  • wheat, overwintered
  • wheatgrass, western
  • witchgrass

Partial control

partial12
  • alligatorweed
  • bearmat
  • buckwheat, california
  • catsclaw
  • hasardia
  • monkey flower
  • phragmites
  • sage, white
  • sweet potato, wild
  • thistle, artichoke
  • torpedograss
  • waxmyrtle, southern

Suppression

suppression5
  • bentgrass
  • dogfennel
  • redvine
  • smutgrass
  • thistle, musk

Controls with a tank-mix partner

needs partner3
  • bursage, woolly-leaf
  • mallow
  • spurge, leafy

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

Four Power Plus 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, the rotational crop, and your state, region, and rainfall — some intervals differ in CA, CO, FL, IA, ID, KS, MT, ND, NE, OK, OR, SD, TX, UT, WA, 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.

Four Power Plus FAQ

What weeds does Four Power Plus control?

The Four Power Plus label names 196 weeds, including alfalfa, purple ammannia, spurred annoda, jerusalem artichoke, bahiagrass, and barley. Control varies by crop, rate, and timing.

What crops is Four Power Plus labeled for?

Four Power Plus is labeled for 42 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.

What is the active ingredient in Four Power Plus? Is it a generic?

Four Power Plus's active ingredient is glyphosate (MOA Group 9). 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 Four Power Plus?

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.

Build a program →

Can I tank-mix Four Power Plus?

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.

Build a program →

Plan in minutes, not hours.

Start with Four Power Plus and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.

Free account and label filter. Building a program is paid, metered by use, so you pay only for what you build.

Sources

Last updated 2026-07-14.