Herbicide label

Prowl 3.3 EC

Prowl 3.3 EC (EPA 241-337) is a Group 3 pendimethalin herbicide labeled for 18 crops. The label lists 40 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“Prowl 3.3 EC is a meristematic inhibitor that interferes with the plant's cellular division or mitosis. This and/or other products with the meristematic inhibiting mode of action may not effectively control naturally occurring biotypes of some of the weeds listed on this label.”

— Prowl 3.3 EC EPA label, Reg. No. 241-337

Prowl 3.3 EC label facts

Product Prowl 3.3 EC
EPA Reg. No. 241-337
Registrant BASF Agricultural Solutions US LLC
Active ingredient pendimethalin
MOA group 3

Crops on the Prowl 3.3 EC label

Prowl 3.3 EC is labeled for these 18 crops and uses, per the EPA label.

field corn
soybean
cotton
sunflower
potato
peanut
sorghum
rice
alfalfa
chickpea
cowpea
dry edible bean
field pea
lentil
popcorn
seed corn
sugarcane
sweet corn

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Weeds on the Prowl 3.3 EC label

The Prowl 3.3 EC label names 59 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 control40

amaranth, palmer
barnyardgrass, common
bluegrass, annual
carpetweed
crabgrass
crowfootgrass
dodder
fiddleneck
foxtail, giant
foxtail, green
foxtail, yellow
goosegrass
henbit
johnsongrass, seedling
junglerice
kochia
knotweed, prostrate
lady's thumb
lambsquarters, common
lambsquarters, slimleaf
lovegrass species
mustard, black
panicum, browntop
panicum, fall
panicum, texas
pigweed
puncturevine
purslane
pusley, florida
red rice
sandbur, field
shattercane
sprangletop
sprangletop, mexican
sprangletop, red
spurge, annual
stinging nettle
swollen fingergrass
waterhemp, common
witchgrass

Suppression

suppression19

brome, downy
brome, japanese
bugloss, small
canarygrass
cheat
chess, hairy
chickweed, common
cupgrass, woolly
goatgrass, jointed
millet, wild-proso
morningglory
wild oats
rocket, london
ryegrass, italian
shepherd's-purse
signalgrass
smartweed, pennsylvania
thistle, russian
velvetleaf

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Prowl 3.3 EC 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 AZ, CA, CT, IA, ID, IL, IN, KS, KY, LA, MA, ME, MI, MN, MO, MS, MT, ND, NE, NH, NM, NY, OH, OK, OR, RI, SD, TX, VT, WA, WI, and WY.

Get the interval for your rotation: build a program and FieldMarshal cites the exact plant-back for your rotational crop to the label line.

Prowl 3.3 EC FAQ

What weeds does Prowl 3.3 EC control?

The Prowl 3.3 EC label names 59 weeds, including palmer amaranth, common barnyardgrass, annual bluegrass, carpetweed, crabgrass, and crowfootgrass. Control varies by crop, rate, and timing.

What crops is Prowl 3.3 EC labeled for?

Prowl 3.3 EC is labeled for 18 crops and uses, including field corn, soybeans, cotton, sunflower, and potato.

What is the active ingredient in Prowl 3.3 EC? Is it a generic?

Prowl 3.3 EC's active ingredient is pendimethalin (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 Prowl 3.3 EC?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal cites the exact interval for your rotation to the label line, so you can verify it.

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Can I tank-mix Prowl 3.3 EC?

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 cites the condition on each, so you can verify it.