Herbicide label

Sonalan HFP

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.

Build the herbicide program for your field

Tell FieldMarshal your crop, weeds, and rotation. Get back a complete program, products, rates, plant-back, and tank-mix, with every line checked against the label so you can verify it yourself.

Built from 1,700+ EPA herbicide labels and 49 state weed-control guides. Made for crop advisors and growers.

Build a program → or filter every label, free

Free to create your account. Every line references the label, so you can check it against the source.

Official EPA label (PDF)

“Sonalan® HFP herbicide is a preemergence herbicide that controls certain annual grasses and broadleaf weeds.”

— Sonalan HFP EPA label, Reg. No. 10163-356

Sonalan HFP label facts

Crops on the Sonalan HFP label

Sonalan HFP is labeled for these 16 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 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
  • groundcherry, lanceleaf
  • groundcherry, wright's
  • henbit
  • johnsongrass
  • junglerice
  • kochia
  • lambsquarters, common
  • millet, foxtail
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • 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

Weed indexes featuring this label

Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.

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 and your soil texture.

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.

What's the plant-back interval after Sonalan HFP?

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.

Build a program →

Can I tank-mix Sonalan HFP?

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.

Build a program →

Plan in minutes, not hours.

Start with Sonalan HFP and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.

Build a program → or filter labels for free

Free account and label filter. Building a program is paid, metered by use, so you pay only for what you build.

Sources

Last updated 2026-07-14.