Herbicide label
Roundup Ultra Herbicide Label
Roundup Ultra (EPA 524-475) is a Group 9 glyphosate herbicide labeled for 45 crops. The label lists 174 controlled weeds, plus partial-control, suppression, and partner-control categories.
Roundup Ultra label facts
- Product Roundup Ultra
- EPA Reg. No. 524-475
- Registrant Bayer CropScience
- Active ingredient glyphosate
- MOA group 9
Crops on the Roundup Ultra label
Roundup Ultra is labeled for these 45 crops and uses, per the EPA label.
- field corn
- soybean
- wheat
- cotton
- sunflower
- potato
- peanut
- sugar beet
- canola
- barley
- sorghum
- rice
- alfalfa
- buckwheat
- pearl millet
- proso millet
- oats
- cereal rye
- triticale
- durum wheat
- wild rice
- seed corn
- corn silage
- sweet corn
- popcorn
- fallow
- mint
- flax
- mustard
- rapeseed
- safflower
- sesame
- sugarcane
- spinach
- chickpea
- cowpea
- dry edible bean
- lentil
- field pea
- radish
- sweet potato
- turnip
- clover
- grass seed
- annual ryegrass
Weeds on the Roundup Ultra label
The Roundup Ultra label names 192 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
- 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
- brackenfern
- 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
- 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
- hazel
- henbit
- honeysuckle
- horsenettle
- horseradish
- horseweed
- itchgrass
- 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
- 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
- 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
- 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
- virginia creeper
- 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
suppression4- dogfennel
- redvine
- smutgrass
- thistle, musk
Controls with a tank-mix partner
needs partner2- mallow
- spurge, leafy
Roundup Ultra 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 Ultra FAQ
What weeds does Roundup Ultra control?
The Roundup Ultra label names 192 weeds, including alfalfa, purple ammannia, spurred anoda, bahiagrass, barley, and little barley. Control varies by crop, rate, and timing.
What crops is Roundup Ultra labeled for?
Roundup Ultra is labeled for 45 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.
What is the active ingredient in Roundup Ultra? Is it a generic?
Roundup Ultra'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.