Herbicide label
Stigmata Herbicide Label
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.
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.
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
- burdock
- chamomile
- clover, red
- clover, white
- coffeeweed
- fireweed
- horseweed
- knapweed, diffuse
- knapweed, spotted
- ladysthumb
- marshelder
- black medic
- sicklepod
- smartweed
- volunteer soybean
- starthistle, yellow
- thickhead
- thistle, bull
- thistle, musk
- vetch
- buckwheat, wild
- chamomile, false
- mayweed, chamomile
- dandelion
- dock, curly
- nightshade, cutleaf
- nightshade, eastern black
- smartweed, green
- sunflower
- wormwood, biennial
- clover species
- cocklebur, common
- groundsel, common
- jimsonweed
- pineapple-weed
- ragweed, giant
- galinsoga
- sweetclover
- nightshade, black
- nightshade, hairy
- thistle, canada
- prickly lettuce
- ragweed, common
Partial control
partial1- knapweed, russian
Suppression
suppression3- sowthistle, perennial
- sowthistle
- sowthistle, annual
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 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.
Stigmata FAQ
What weeds does Stigmata control?
The Stigmata label names 50 weeds, including jerusalem artichoke, aster, florida beggarweed, burdock, chamomile, and red clover. 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.
Sources
Last updated 2026-09-30.