Herbicide label

Roundup PowerMAX Herbicide Label

Roundup PowerMAX (EPA 524-549) is a Group 9 glyphosate herbicide labeled for 44 crops. The label lists 174 controlled weeds, plus partial-control, suppression, and partner-control categories.

Roundup PowerMAX label facts

Crops on the Roundup PowerMAX label

Roundup PowerMAX is labeled for these 44 crops and uses, per the EPA label.

Weeds on the Roundup PowerMAX label

The Roundup PowerMAX label names 189 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 control174
  • alfalfa
  • alligatorweed
  • ammannia, purple
  • anoda, spurred
  • 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
  • crowfootgrass
  • cupgrass, woolly
  • dallisgrass
  • dandelion
  • devilsclaw
  • dock, curly
  • dodder
  • dogbane, hemp
  • dwarfdandelion
  • 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
  • grain sorghum
  • groundcherry
  • groundsel, common
  • groundsel, cressleaf
  • hazel
  • henbit
  • honeysuckle
  • horsenettle
  • horseradish
  • horseweed
  • jerusalem artichoke
  • jimsonweed
  • johnsongrass
  • johnsongrass, seedling
  • junglerice
  • knapweed
  • knotweed
  • kochia
  • lambsquarters
  • lespedeza
  • prickly lettuce
  • mannagrass, eastern
  • mayweed
  • milkweed, common
  • millet, wild-proso
  • morning glory, annual
  • muhly, wirestem
  • mullein, common
  • mustard, blue
  • mustard, tansy
  • mustard, tumble
  • mustard, wild
  • nightshade, black
  • nightshade, hairy
  • nightshade, silverleaf
  • nutsedge, purple
  • nutsedge, yellow
  • oats
  • wild oats
  • orchardgrass
  • panicum, browntop
  • panicum, fall
  • panicum, texas
  • pennycress, field
  • pepperweed, virginia
  • pigweed
  • amaranth, palmer
  • poison hemlock
  • poison ivy
  • 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
  • sandbur, field
  • sandbur, longspine
  • sesbania, hemp
  • shattercane
  • shepherd's-purse
  • sicklepod
  • sida, prickly
  • signalgrass, broadleaf
  • smartweed, ladysthumb
  • smartweed, pennsylvania
  • smartweed, swamp
  • sowthistle, annual
  • sowthistle, perennial
  • needles, spanish
  • speedwell, corn
  • speedwell, purslane
  • sprangletop
  • spurge, prostrate
  • spurge, spotted
  • spurry, umbrella
  • starthistle, yellow
  • stinkgrass
  • sunflower
  • sweetgum
  • swinecress
  • thistle, canada
  • thistle, russian
  • timothy
  • torpedograss
  • trumpetcreeper
  • vaseygrass
  • velvetgrass
  • velvetleaf
  • virginia creeper
  • waterhemp, common
  • wheat
  • wheat, overwintered
  • wheatgrass, western
  • witchgrass

Partial control

partial10
  • bearmat
  • buckwheat, california
  • catsclaw
  • hasardia
  • monkey flower
  • phragmites
  • sage, white
  • sweet potato, wild
  • thistle, artichoke
  • waxmyrtle, southern

Suppression

suppression2
  • bentgrass
  • redvine

Controls with a tank-mix partner

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

Roundup PowerMAX 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.

Roundup PowerMAX FAQ

What weeds does Roundup PowerMAX control?

The Roundup PowerMAX label names 189 weeds, including alfalfa, alligatorweed, purple ammannia, spurred anoda, bahiagrass, and barley. Control varies by crop, rate, and timing.

What crops is Roundup PowerMAX labeled for?

Roundup PowerMAX is labeled for 44 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.

What is the active ingredient in Roundup PowerMAX? Is it a generic?

Roundup PowerMAX'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.

Sources

Last updated 2026-09-30.