Herbicide label
Sonalan HFP Herbicide Label
Sonalan HFP (EPA 10163-356) is a Group 3 ethalfluralin herbicide labeled for 16 crops. The label lists 42 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Sonalan® HFP herbicide is a preemergence herbicide that controls certain annual grasses and broadleaf weeds.”
Sonalan HFP label facts
- Product Sonalan HFP
- EPA Reg. No. 10163-356
- Registrant Gowan Company, LLC
- Active ingredient ethalfluralin
- MOA group 3
Crops on the Sonalan HFP label
Sonalan HFP is labeled for these 16 crops and uses, per the EPA label.
Weeds on the Sonalan HFP label
The Sonalan HFP label names 42 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 control42- amaranth, palmer
- barnyardgrass, common
- bluegrass, annual
- buckwheat, wild
- carpetweed
- catchfly, conical
- chickweed, common
- crabgrass, large
- crabgrass, small
- cupgrass, woolly
- fiddleneck
- foxtail, giant
- foxtail, green
- foxtail, yellow
- henbit
- johnsongrass
- junglerice
- kochia
- lambsquarters, common
- foxtail, millet
- wild oats
- panicum, fall
- panicum, texas
- pigweed, prostrate
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- purslane, common
- pusley, florida
- redmaids
- ryegrass, italian
- sandbur, field
- signalgrass, broadleaf
- sorghum, volunteer
- thistle, russian
- waterhemp, common
- witchgrass
- groundcherry, lanceleaf
- groundcherry, wright's
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
Sonalan HFP 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.
Sonalan HFP FAQ
What weeds does Sonalan HFP control?
The Sonalan HFP label names 42 weeds, including palmer amaranth, common barnyardgrass, annual bluegrass, wild buckwheat, carpetweed, and conical catchfly. Control varies by crop, rate, and timing.
What crops is Sonalan HFP labeled for?
Sonalan HFP is labeled for 16 crops and uses, including soybeans, sunflower, potato, peanut, and canola.
What is the active ingredient in Sonalan HFP? Is it a generic?
Sonalan HFP's active ingredient is ethalfluralin (MOA Group 3). 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.