Herbicide label
Roundup WeatherMAX Herbicide Label
Roundup WeatherMAX (EPA 524-537) is a Group 9 glyphosate herbicide labeled for 45 crops. The label lists 177 controlled weeds, plus partial-control, suppression, and partner-control categories.
Roundup WeatherMAX label facts
- Product Roundup WeatherMAX
- EPA Reg. No. 524-537
- Registrant Bayer CropScience
- Active ingredient glyphosate
- MOA group 9
Crops on the Roundup WeatherMAX label
Roundup WeatherMAX 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
- popcorn
- seed corn
- corn silage
- sweet corn
- fallow
- mustard
- flax
- safflower
- sesame
- rapeseed
- sugarcane
- spinach
- dry edible bean
- chickpea
- cowpea
- lentil
- field pea
- radish
- sweet potato
- turnip
- clover
- grass seed
- annual ryegrass
- mint
Weeds on the Roundup WeatherMAX label
The Roundup WeatherMAX label names 194 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 control177- alfalfa
- alligatorweed
- ammannia, purple
- anoda, spurred
- jerusalem artichoke
- bahiagrass
- barley
- barley, little
- barnyardgrass, common
- bassia, fivehook
- beggarweed, florida
- bermudagrass
- bermudagrass, water
- bindweed, field
- bittercress
- blackberry
- bluegrass, annual
- bluegrass, bulbous
- bluegrass, kentucky
- blueweed, texas
- brackenfern
- brome, downy
- brome, japanese
- bromegrass, smooth
- broom, desert
- buckwheat, wild
- burcucumber
- bursage, woolly-leaf
- buttercup
- canarygrass, reed
- carpetweed
- cattail
- 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
- false dandelion
- devilsclaw
- dock, curly
- dodder
- dogbane, hemp
- eclipta
- eucalyptus
- eveningprimrose, cutleaf
- 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
- groundsel, cressleaf
- hazel
- poison hemlock
- henbit
- honeysuckle
- horsenettle
- horseradish
- horseweed
- itchgrass
- poison ivy
- 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
- oats
- wild oats
- orchardgrass
- panicum, browntop
- panicum, fall
- panicum, texas
- pennycress, field
- pepperweed, virginia
- pigweed
- amaranth, palmer
- pokeweed, common
- purslane
- pusley, florida
- quackgrass
- ragweed, common
- ragweed, 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
- grain sorghum
- sowthistle, annual
- sowthistle, perennial
- speedwell, corn
- speedwell, purslane
- sprangletop
- spurge, prostrate
- spurge, spotted
- spurry, umbrella
- starthistle, yellow
- stinkgrass
- sunflower
- sweet potato, wild
- sweetgum
- swinecress
- thistle, canada
- thistle, russian
- timothy
- torpedograss
- trumpetcreeper
- vaseygrass
- velvetgrass
- velvetleaf
- waterhemp, common
- wheat
- wheat, overwintered
- wheatgrass, western
- witchgrass
Partial control
partial13- bearmat
- boxelder
- catalpa
- chinaberry
- cottonwood
- crotalaria, showy
- hasardia
- mesquite
- phragmites
- reed, giant
- sage, white
- thistle, artichoke
- waxmyrtle, southern
Suppression
suppression3- bentgrass
- redvine
- spurge, leafy
Controls with a tank-mix partner
needs partner1- mallow
Roundup WeatherMAX 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 WeatherMAX FAQ
What weeds does Roundup WeatherMAX control?
The Roundup WeatherMAX label names 194 weeds, including alfalfa, alligatorweed, purple ammannia, spurred anoda, jerusalem artichoke, and bahiagrass. Control varies by crop, rate, and timing.
What crops is Roundup WeatherMAX labeled for?
Roundup WeatherMAX is labeled for 45 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.
What is the active ingredient in Roundup WeatherMAX? Is it a generic?
Roundup WeatherMAX'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.