The active ingredients listed below are designated as restricted-use by the U.S. Environmental Protection Agency (EPA); buying them requires a certified pesticide applicator’s license.
Herbicides are listed by the active ingredient. Some or all uses of these active ingredients are considered restricted-use. Before purchasing any pesticide, consult the label for usage category.
acetochlor
acrolein
alachlor
atrazine
metam-sodium
paraquat
picloram
pronamide
Additional Restricted-Use Herbicides in PNW States
Some or all uses of the following herbicide active ingredients are classified as restricted-use in one or more of the three PNW states in addition to the federal restricted-use pesticides listed above. Before purchasing any pesticide, consult the label for usage category and site.
All aquatic uses of herbicides in Washington
All sulfonylurea herbicides in Washington
2,4-D
2,4-DB
benefin
bromacil
bromoxynil
carfentrazone
chlorsulfuron
clopyralid
copper sulfate
DCPA
dicamba
dichlobenil
dichlorpropene
diflufenzopyr
diquat
diuron
ethametsulfuron
fenoxaprop
fluazifop
flufenacet
fluroxypyr
fluthiacet-methyl
glyphosate
halosulfuron
hexazinone
iodosulfuron
imazamox
imazapic
imazapyr
MCPA
MCPB
MCPP
mesosulfuron
metribuzin
metsulfuron
MSMA
nicosulfuron
phenmedipham
primisulfuron
prometon
prosulfuron
rimsulfuron
simazine
S-metolachlor
sodium chlorate
sodium metaborate
sulfometuron-methyl
sulfosulfuron
tebuthiuron
thiencarbazone-methyl
thifensulfuron
triasulfuron
tribenuron
triclopyr
trifluralin
triflusulfuron