Herbicide label

Roundup WeatherMAX

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.

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Official EPA label (PDF)

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.

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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

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

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, the rotational crop, and your state, region, and rainfall — some intervals differ in AK, AL, AR, AZ, 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.

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.

What's the plant-back interval after Roundup WeatherMAX?

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 Roundup WeatherMAX?

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.