Herbicide label
Envoke
Envoke (EPA 5481-684) is a 2-pyridinesulfonamide, n-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(2,2,2-trifluoroethoxy)-, monosodium salt, monohydrate herbicide labeled for 3 crops. The label lists 50 controlled weeds, plus partial-control, suppression, and partner-control categories.
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“Envoke Herbicide is a selective herbicide applied to both crops and weeds for control of certain emerged weeds in cotton, fallow seedbeds, sugarcane, and transplanted tomato.”
Envoke label facts
- Product Envoke
- EPA Reg. No. 5481-684
- Registrant Amvac Chemical Corporation
- Active ingredient 2-pyridinesulfonamide, n-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(2,2,2-trifluoroethoxy)-, monosodium salt, monohydrate
- MOA group not classified
Crops on the Envoke label
Envoke is labeled for these 3 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Envoke label
The Envoke label names 67 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 control50- alligatorweed
- amaranth, palmer
- beggarweed, florida
- bittercress, small-flowered
- bluegrass, annual
- carpetweed
- chickweed, common
- chickweed, mouseear
- cocklebur, common
- corn, volunteer
- cudweed, wandering
- deadnettle, purple
- dogfennel
- eveningprimrose, cutleaf
- henbit
- horseweed
- johnsongrass, seedling
- lambsquarters, common
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, scarlet
- morningglory, tall
- mustard, black
- mustard, wild
- nutsedge, purple
- nutsedge, yellow
- panicum, broadleaf
- pellitory, florida
- pigweed, redroot
- pigweed, smooth
- pigweed, spiny
- poinsettia, wild
- purslane, horse
- radish, wild
- ragweed, common
- redweed
- senna, coffee
- sesbania, hemp
- shepherd's-purse
- sicklepod
- sowthistle, spiny
- volunteer soybean
- spanishneedles
- starbur, bristly
- sunflower, annual
- sunflower, prairie
- toadflax, old field
- velvetleaf
- vetch
Suppression
suppression15- barnyardgrass, common
- buttercup, corn
- buttercup, crowfoot
- buttercup, hairy
- croton, wooly
- dayflower
- guineagrass
- rhizome johnsongrass
- mexicanweed
- panicum, fall
- peanut, volunteer
- signalgrass, broadleaf
- smellmelon
- swinecress
- waterhemp, common
Controls with a tank-mix partner
needs partner2- morningglory, cypressvine
- morningglory, smallflower
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Envoke 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 AL, AR, AZ, FL, GA, HI, IL, IN, KS, KY, LA, MO, MS, NC, NM, OK, SC, TN, TX, and VA.
Get the interval for your rotation: build a program and FieldMarshal cites the exact plant-back for your rotational crop to the label line.
Envoke FAQ
What weeds does Envoke control?
The Envoke label names 67 weeds, including alligatorweed, palmer amaranth, florida beggarweed, small-flowered bittercress, annual bluegrass, and carpetweed. Control varies by crop, rate, and timing.
What crops is Envoke labeled for?
Envoke is labeled for 3 crops and uses, including cotton, fallow, and sugarcane.
What is the active ingredient in Envoke? Is it a generic?
Envoke's active ingredient is 2-pyridinesulfonamide, n-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(2,2,2-trifluoroethoxy)-, monosodium salt, monohydrate. 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 Envoke?
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.
Build a program →Can I tank-mix Envoke?
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.
Build a program →Plan in minutes, not evenings.
Start with Envoke and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and cited.
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Sources
Last updated 2026-07-11.