Herbicide label

Treflan HFP

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.

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Official EPA label (PDF)

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.

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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
bluegrass, annual
brachiaria
bromegrass species
canarygrass
carpetweed
cheat
chickweed
crabgrass
cupgrass, woolly
fiddleneck
foxtail
foxtail, pacific meadow
goosefoot
guineagrass
henbit
itchgrass
johnsongrass
junglerice
knotweed
kochia
lambsquarters, common
stinging nettle
panicum, fall
panicum, texas
pigweed
puncturevine
purslane, common
pusley, florida
ryegrass, italian
sandbur
shattercane
sprangletop
stinkgrass
thistle, russian

Partial control

partial4

brome, japanese
chess, hairy
goatgrass, jointed
red rice

Suppression

suppression1

amaranth, palmer

Controls with a tank-mix partner

needs partner21

cocklebur, common
goosegrass
jimsonweed
ladysthumb
mallow, venice
morningglory, entireleaf
morningglory, ivyleaf
morningglory, pitted
morningglory, smallflower
morningglory, tall
mustard
nightshade, eastern black
nutsedge, yellow
poinsettia, wild
ragweed, common
ragweed, giant
sida, prickly
smartweed, pennsylvania
sunflower, annual
velvetleaf
waterhemp, common

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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 and your soil texture.

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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, CO, FL, GA, HI, ID, KS, LA, MN, MO, MS, MT, NC, ND, NE, NM, OK, OR, SC, SD, TN, TX, VA, WA, and WY.

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, annual bluegrass, brachiaria, and bromegrass species. 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.

What's the plant-back interval after Treflan 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.

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Can I tank-mix Treflan 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.