Herbicide label
Treflan HFP Herbicide Label
Treflan HFP (EPA 10163-363) is a Group 3 trifluralin herbicide labeled for 29 crops. The label lists 37 controlled weeds, plus partial-control, suppression, and partner-control categories.
Treflan HFP label facts
- Product Treflan HFP
- EPA Reg. No. 10163-363
- Registrant Gowan Company, LLC
- Active ingredient trifluralin
- MOA group 3
Crops on the Treflan HFP label
Treflan HFP is labeled for these 29 crops and uses, per the EPA label.
Weeds on the Treflan HFP label
The Treflan HFP label names 63 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 control37- barley
- barnyardgrass, common
- bindweed, field
- brachiaria
- canarygrass
- carpetweed
- cheat
- chickweed
- crabgrass
- cupgrass, woolly
- goosefoot
- guineagrass
- itchgrass
- johnsongrass
- junglerice
- knotweed
- kochia
- lambsquarters, common
- stinging nettle
- panicum, fall
- panicum, texas
- pigweed
- puncturevine
- purslane, common
- pusley, florida
- sandbur
- shattercane
- sprangletop
- stinkgrass
- thistle, russian
- bluegrass, annual
- bromegrass species
- fiddleneck
- foxtail, pacific meadow
- henbit
- ryegrass, italian
- foxtail
Partial control
partial4- red rice
- brome, japanese
- chess, hairy
- goatgrass, jointed
Suppression
suppression1- amaranth, palmer
Controls with a tank-mix partner
needs partner21- cocklebur, common
- jimsonweed
- ladysthumb
- mallow, venice
- morningglory, pitted
- morningglory, smallflower
- mustard
- nightshade, eastern black
- poinsettia, wild
- ragweed, common
- ragweed, giant
- sida, prickly
- smartweed, pennsylvania
- sunflower, annual
- velvetleaf
- waterhemp, common
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, tall
- nutsedge, yellow
- goosegrass
Treflan 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.
Treflan HFP FAQ
What weeds does Treflan HFP control?
The Treflan HFP label names 63 weeds, including barley, common barnyardgrass, field bindweed, brachiaria, canarygrass, and carpetweed. Control varies by crop, rate, and timing.
What crops is Treflan HFP labeled for?
Treflan HFP is labeled for 29 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.
What is the active ingredient in Treflan HFP? Is it a generic?
Treflan HFP's active ingredient is trifluralin (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.