Herbicide label

Cornerstone Plus

Cornerstone Plus (EPA 33270-18-1381) is a Group 9 glyphosate herbicide labeled for 44 crops. The label lists 175 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“This product is a postemergence, systemic, non-selective herbicide and will control many annual weeds, perennial weeds, woody brush and trees.”

— Cornerstone Plus EPA label, Reg. No. 33270-18-1381

Cornerstone Plus label facts

Product Cornerstone Plus
EPA Reg. No. 33270-18-1381
Distributor WinField Solutions, LLC
Active ingredient glyphosate
MOA group 9

Crops on the Cornerstone Plus label

Cornerstone Plus is labeled for these 44 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
wild rice
seed corn
corn silage
sweet corn
popcorn
fallow
mint
flax
mustard
rapeseed
safflower
sesame
sugarcane
chickpea
lentil
dry edible bean
field pea
cowpea
radish
sweet potato
turnip
spinach
clover
grass seed
durum wheat

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

Weeds on the Cornerstone Plus label

The Cornerstone Plus 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 control175

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

Partial control

partial14

alligatorweed
phragmites
sweet potato, wild
thistle, artichoke
bearmat
buckwheat, california
catsclaw
chamise
peppertree, brazilian
hasardia
monkey flower
sage, black
sage, white
waxmyrtle, southern

Suppression

suppression4

bentgrass
dodder
redvine
spurge, leafy

Controls with a tank-mix partner

needs partner1

mallow

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Cornerstone 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 cites the exact per-acre rate for your crop to 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 AZ, CA, CO, ID, KS, MN, MT, ND, NE, OK, OR, SD, and WA.

Get the interval for your rotation: build a program and FieldMarshal cites the exact plant-back for your rotational crop to the label line.

Cornerstone Plus FAQ

What weeds does Cornerstone Plus control?

The Cornerstone Plus label names 194 weeds, including purple ammannia, spurred anoda, barley, common barnyardgrass, fivehook bassia, and florida beggarweed. Control varies by crop, rate, and timing.

What crops is Cornerstone Plus labeled for?

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

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

Cornerstone 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 Cornerstone 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 cites the exact interval for your rotation to the label line, so you can verify it.

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Can I tank-mix Cornerstone 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 cites the condition on each, so you can verify it.