Herbicide label
Harmony SG Herbicide Label
Harmony SG (EPA 279-9595) is a Group 2 thifensulfuron herbicide labeled for 12 crops. The label lists 48 controlled weeds, plus partial-control, suppression, and partner-control categories.
Harmony SG label facts
- Product Harmony SG
- EPA Reg. No. 279-9595
- Registrant FMC Corporation
- Active ingredient thifensulfuron
- MOA group 2
Crops on the Harmony SG label
Harmony SG is labeled for these 12 crops and uses, per the EPA label.
Weeds on the Harmony SG label
The Harmony SG label names 64 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 control48- amaranth, palmer
- buckwheat, wild
- kochia
- pigweed, redroot
- buckwheat, common
- buttercup, smallflower
- chamomile, corn
- chamomile, false
- chamomile, scentless
- chamomile, wild
- chickweed, common
- chickweed, mouseear
- cress, mouse-ear
- dock, curly
- fiddleneck
- fiddleneck, tarweed
- flixweed
- garlic, wild
- carolina geranium
- groundsel, common
- knawel, annual
- knotweed, prostrate
- ladysthumb
- lentil, volunteer
- miner's lettuce
- mallow, little
- marshelder
- mayweed, stinking
- mustard, black
- mustard, tumble
- pea, volunteer
- pennycress, field
- redmaids
- rocket, london
- shepherd's-purse
- smartweed, green
- smartweed, pennsylvania
- sowthistle, annual
- spurry, corn
- sunflower
- swinecress
- thistle, russian
- wallflower, bushy
- lambsquarters, common
- mustard, wild
- pigweed
- smartweed, annual
- velvetleaf
Partial control
partial11- cocklebur, common
- jimsonweed
- sunflower, wild
- deadnettle, purple
- eveningprimrose, cutleaf
- henbit
- prickly lettuce
- mallow, common
- radish, wild
- sunflower, annual
- tansymustard
Controls with a tank-mix partner
needs partner5- volunteer canola
- horseweed
- nutsedge, yellow
- ragweed, common
- nightshade, black
Harmony SG 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.
Harmony SG FAQ
What weeds does Harmony SG control?
The Harmony SG label names 64 weeds, including palmer amaranth, wild buckwheat, kochia, redroot pigweed, common buckwheat, and smallflower buttercup. Control varies by crop, rate, and timing.
What crops is Harmony SG labeled for?
Harmony SG is labeled for 12 crops and uses, including field corn, soybeans, wheat, cotton, and barley.
What is the active ingredient in Harmony SG? Is it a generic?
Harmony SG's active ingredient is thifensulfuron (MOA Group 2). 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.