Herbicide label

Stigmata

Stigmata (EPA 91234-60) is a Group 4 clopyralid herbicide labeled for 15 crops. The label lists 46 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

Stigmata label facts

Product Stigmata
EPA Reg. No. 91234-60
Registrant Atticus, LLC
Active ingredient clopyralid
MOA group 4

Crops on the Stigmata label

Stigmata is labeled for these 15 crops and uses, per the EPA label.

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Weeds on the Stigmata label

The Stigmata label names 50 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 control46

jerusalem artichoke
aster
beggarweed, florida
buckwheat, wild
burdock
chamomile
chamomile, false
mayweed, chamomile
clover species
clover, red
clover, white
cocklebur, common
coffeeweed
dandelion
dock, curly
fireweed
galinsoga
groundsel, common
horseweed
jimsonweed
knapweed, diffuse
knapweed, spotted
ladysthumb
marshelder
black medic
nightshade, black
nightshade, cutleaf
nightshade, eastern black
nightshade, hairy
pineapple-weed
prickly lettuce
ragweed, giant
ragweed, common
sicklepod
smartweed
smartweed, green
volunteer soybean
starthistle, yellow
sunflower
sweetclover
thickhead
thistle, bull
thistle, canada
thistle, musk
vetch
wormwood, biennial

Partial control

partial4

knapweed, diffuse
knapweed, russian
knapweed, spotted
thistle, canada

Suppression

suppression6

knapweed, russian
smartweed
sowthistle
sowthistle, annual
sowthistle, perennial
thistle, canada

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Stigmata 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, CA, 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.

Stigmata FAQ

What weeds does Stigmata control?

The Stigmata label names 50 weeds, including jerusalem artichoke, aster, florida beggarweed, wild buckwheat, burdock, and chamomile. Control varies by crop, rate, and timing.

What crops is Stigmata labeled for?

Stigmata is labeled for 15 crops and uses, including field corn, wheat, sugar beet, canola, and barley.

What is the active ingredient in Stigmata? Is it a generic?

Stigmata's active ingredient is clopyralid (MOA Group 4). 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 Stigmata?

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 Stigmata?

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.