Herbicide label
Shadow
Shadow (EPA 66330-353) is a Group 1 clethodim herbicide labeled for 24 crops. The label lists 54 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.
Free to create your account. Every line references the label, so you can check it against the source.
“This product is a selective postemergence herbicide for control of annual and perennial grasses.”
Shadow label facts
- Product Shadow
- EPA Reg. No. 66330-353
- Registrant Arysta Lifescience North America LLC
- Active ingredient clethodim
- MOA group 1
Crops on the Shadow label
Shadow is labeled for these 24 crops and uses, per the EPA label.
- soybean
- cotton
- sunflower
- potato
- peanut
- sugar beet
- canola
- alfalfa
- chickpea
- clover
- cowpea
- dry edible bean
- fallow
- field pea
- flax
- lentil
- mint
- mustard
- radish
- safflower
- sesame
- spinach
- sweet potato
- turnip
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Shadow label
The Shadow label names 58 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 control54- barnyardgrass, common
- bentgrass
- bermudagrass
- bluegrass, annual
- bluegrass, kentucky
- bluegrass, perennial
- bluegrass, roughstalk
- brome, california
- brome, cheat
- brome, downy
- brome, ripgut
- canarygrass
- corn, volunteer
- crabgrass, hairy
- crabgrass, large
- crabgrass, smooth
- crabgrass, southern
- crowfootgrass
- cupgrass, southwestern
- cupgrass, woolly
- fescue, tall
- foxtail barley
- foxtail, giant
- foxtail, green
- foxtail, yellow
- goosegrass
- rhizome johnsongrass
- johnsongrass, seedling
- junglerice
- lovegrass, stinkgrass
- foxtail, millet
- millet, wild-proso
- muhly, wirestem
- oats
- orchardgrass
- panicum, fall
- panicum, texas
- quackgrass
- rabbitsfootgrass
- red rice
- rye, volunteer
- ryegrass, hardy
- ryegrass, italian
- sandbur, field
- shattercane
- signalgrass, broadleaf
- sorghum, volunteer grain
- sprangletop, amazon
- sprangletop, bearded
- sprangletop, mexican
- sprangletop, red
- volunteer wheat
- wild oats
- witchgrass
Partial control
partial3- bentgrass
- bluegrass, perennial
- quackgrass
Suppression
suppression4- corn, volunteer sethoxydim-resistant
- fescue, tall seed-heads
- grass, annual
- grass, perennial
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Shadow 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.
Shadow FAQ
What weeds does Shadow control?
The Shadow label names 58 weeds, including common barnyardgrass, bentgrass, bermudagrass, annual bluegrass, kentucky bluegrass, and perennial bluegrass. Control varies by crop, rate, and timing.
What crops is Shadow labeled for?
Shadow is labeled for 24 crops and uses, including soybeans, cotton, sunflower, potato, and peanut.
What is the active ingredient in Shadow? Is it a generic?
Shadow's active ingredient is clethodim (MOA Group 1). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Can I tank-mix Shadow?
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 Shadow and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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.