Herbicide label
SPYROMAX Herbicide Label
SPYROMAX (EPA 7969-457-5905) is a Group 14 and 15 dimethenamid-p, pyroxasulfone, and saflufenacil herbicide labeled for 5 crops. The label lists 97 controlled weeds, plus partial-control, suppression, and partner-control categories.
SPYROMAX label facts
- Product SPYROMAX
- EPA Reg. No. 7969-457-5905
- Distributor Helena Agri-Enterprises, LLC, d/b/a Helena Chemical Comp
- Active ingredient dimethenamid-p, pyroxasulfone, and saflufenacil
- MOA group 14 and 15
Crops on the SPYROMAX label
SPYROMAX is labeled for these 5 crops and uses, per the EPA label.
Weeds on the SPYROMAX label
The SPYROMAX label names 116 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 control97- amaranth, palmer
- amaranth, powell
- barley, hare
- barnyardgrass, common
- bedstraw, catchweed
- beggarticks, hairy
- beggarweed, florida
- bluegrass, annual
- bluegrass, roughstalk
- brome, california
- brome, downy
- buckwheat, wild
- buffalobur
- canarygrass
- volunteer canola
- carpetweed
- mayweed, chamomile
- chickweed, common
- cocklebur, common
- copperleaf, virginia
- cotton, volunteer
- cowcockle
- crabgrass, large
- crabgrass, smooth
- crowfootgrass
- cupgrass, southwestern
- eveningprimrose, cutleaf
- falseflax, smallseed
- rattail fescue
- fleabane, hairy
- flixweed
- foxtail, giant
- foxtail, green
- foxtail, yellow
- galinsoga, smallflower
- goosegrass
- groundcherry, cutleaf
- groundsel, common
- hawksbeard, narrowleaf
- poison hemlock
- horseweed
- jimsonweed
- knotweed, prostrate
- kochia
- ladysthumb
- lambsquarters, common
- lambsquarters, narrowleaf
- prickly lettuce
- mallow, common
- mallow, little
- mallow, venice
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, pitted
- morningglory, tall
- mustard, black
- mustard, tumble
- mustard, wild
- nettle, burning
- nightshade, black
- nightshade, cutleaf
- nightshade, eastern black
- nightshade, hairy
- panicum, fall
- parthenium
- pennycress, field
- pigweed, prostrate
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- purslane, common
- pusley, florida
- ragweed, common
- ragweed, giant
- red rice
- rocket, london
- ryegrass, italian
- ryegrass, rigid
- sesbania, hemp
- shepherds-purse
- sida, prickly
- smartweed, pennsylvania
- sowthistle, annual
- sowthistle, spiny
- spurge, nodding
- spurge, spotted
- starbur, bristly
- sunflower, annual
- tansymustard, pinnate
- texasweed
- thistle, canada
- thistle, russian
- velvetleaf
- waterhemp, common
- willowweed
- witchgrass
Suppression
suppression19- bindweed, field
- brome, japanese
- burcucumber
- cheat
- cupgrass, woolly
- dandelion
- devil's-claw
- eclipta
- filaree, redstem
- henbit
- johnsongrass, seedling
- millet, texas
- millet, wild-proso
- nutsedge, yellow
- wild oats
- puncturevine
- sandbur
- shattercane
- signalgrass, broadleaf
SPYROMAX 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.
SPYROMAX FAQ
What weeds does SPYROMAX control?
The SPYROMAX label names 116 weeds, including palmer amaranth, powell amaranth, hare barley, common barnyardgrass, catchweed bedstraw, and hairy beggarticks. Control varies by crop, rate, and timing.
What crops is SPYROMAX labeled for?
SPYROMAX is labeled for 5 crops and uses, including field corn, corn silage, seed corn, popcorn, and sweet corn.
What is the active ingredient in SPYROMAX? Is it a generic?
SPYROMAX's active ingredient is dimethenamid-p, pyroxasulfone, and saflufenacil (MOA Group 14 and 15). 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.