Herbicide label
Chateau EZ Herbicide Label
Chateau EZ (EPA 59639-221) is a Group 14 flumioxazin herbicide labeled for 22 crops. The label lists 93 controlled weeds, plus partial-control, suppression, and partner-control categories.
Chateau EZ label facts
- Product Chateau EZ
- EPA Reg. No. 59639-221
- Registrant Valent U. S. A. LLC
- Active ingredient flumioxazin
- MOA group 14
Crops on the Chateau EZ label
Chateau EZ is labeled for these 22 crops and uses, per the EPA label.
Weeds on the Chateau EZ label
The Chateau EZ label names 105 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 control93- amaranth, palmer
- amaranth, spiny
- lambsquarters, common
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- radish, wild
- anoda, spurred
- barnyardgrass, common
- beggarweed, florida
- bluegrass, annual
- cockle, white
- copperleaf, hophornbeam
- crabgrass, large
- croton, tropic
- crownbeard, golden
- fiddleneck
- fleabane, hairy
- foxtail, giant
- goosegrass
- groundsel, common
- indigo, hairy
- jimsonweed
- ladysthumb
- lovegrass, california
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, scarlet
- morningglory, tall
- mustard, tumble
- nettle, burning
- panicum, fall
- panicum, texas
- poinsettia, wild
- purslane, horse
- ragweed, common
- rocket, london
- rocket, yellow
- ryegrass, italian
- senna, coffee
- sesbania, hemp
- signalgrass, broadleaf
- smartweed, pennsylvania
- smellmelon
- starbur, bristly
- thistle, russian
- velvetleaf
- waterhemp, common
- brome, downy
- volunteer canola
- deadnettle, purple
- groundsel, cressleaf
- mallow, common
- carpetweed
- eclipta
- mallow, little
- mallow, venice
- morningglory, smallflower
- pennycress, field
- puncturevine
- purslane, common
- pusley, florida
- redmaids
- sida, prickly
- sowthistle, prickly
- spurge, spotted
- chamomile, false
- chickweed, common
- chickweed, mouseear
- dandelion
- eveningprimrose, cutleaf
- henbit
- horseweed
- shepherd's-purse
- crabgrass, smooth
- filaree, redstem
- filaree, whitestem
- foxtail, bristly
- foxtail, green
- foxtail, yellow
- guineagrass
- johnsongrass, seedling
- redweed
- sowthistle, annual
- flixweed
- kochia
- mustard, tansy
- wormwood, biennial
- prickly lettuce
- mustard, wild
Suppression
suppression4- dodder
- buckwheat, wild
- cheat
- ragweed, giant
Controls with a tank-mix partner
needs partner8- bindweed, field
- cocklebur, common
- flatsedge, rice
- morningglory, pitted
- plantain, broadleaf
- sicklepod
- smartweed, pale
- carolina geranium
Chateau EZ 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.
Chateau EZ FAQ
What weeds does Chateau EZ control?
The Chateau EZ label names 105 weeds, including palmer amaranth, spiny amaranth, common lambsquarters, black nightshade, eastern black nightshade, and hairy nightshade. Control varies by crop, rate, and timing.
What crops is Chateau EZ labeled for?
Chateau EZ is labeled for 22 crops and uses, including field corn, wheat, cotton, sunflower, and potato.
What is the active ingredient in Chateau EZ? Is it a generic?
Chateau EZ's active ingredient is flumioxazin (MOA Group 14). 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.