Herbicide label

EXPRESS XP Herbicide Label

EXPRESS XP (EPA 279-9578) is a Group 2 tribenuron-methyl herbicide labeled for 10 crops. The label lists 40 controlled weeds, plus partial-control, suppression, and partner-control categories.

“EXPRESS® XP herbicide is absorbed through the foliage of broadleaf weeds, rapidly inhibiting their growth.”

— EXPRESS XP EPA label, Reg. No. 279-9578

EXPRESS XP label facts

Crops on the EXPRESS XP label

EXPRESS XP is labeled for these 10 crops and uses, per the EPA label.

Weeds on the EXPRESS XP label

The EXPRESS XP label names 63 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
  • mustard, black
  • mustard, blue
  • rocket, london
  • marshelder
  • wallflower, bushy
  • mayweed, chamomile
  • thistle, canada
  • fiddleneck
  • chickweed, common
  • groundsel, common
  • lambsquarters, common
  • purslane, common
  • miner's lettuce
  • catchfly, nightflowering
  • pineapple-weed
  • gromwell, corn
  • spurry, corn
  • prickly lettuce
  • puncturevine
  • cowcockle
  • dock, curly
  • dandelion
  • deadnettle, purple
  • whitlowgrass, early
  • pigweed, redroot
  • thistle, russian
  • shepherd's-purse
  • lambsquarters, slimleaf
  • chamomile, false
  • falseflax, smallseed
  • tansymustard
  • fiddleneck, tarweed
  • pennycress, field
  • flixweed
  • buttercup, hairy
  • pigweed, tumble
  • mustard, tumble
  • cockle, white
  • kochia
  • mustard, wild

Partial control

partial16
  • sowthistle, annual
  • cocklebur, common
  • hawksbeard, narrowleaf
  • smartweed, pennsylvania
  • sunflower, annual
  • knotweed, prostrate
  • vetch
  • nightshade, eastern black
  • nightshade, hairy
  • redmaids
  • buckwheat, wild
  • carrot, wild
  • vetch, hairy
  • henbit
  • garlic, wild
  • radish, wild

Controls with a tank-mix partner

needs partner8
  • horseweed
  • hawksbeard, narrowleaf
  • poison hemlock
  • groundsel, cressleaf
  • speedwell, purslane
  • buttercup, small-flower
  • filaree, redstem
  • wild oats

EXPRESS XP 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.

EXPRESS XP FAQ

What weeds does EXPRESS XP control?

The EXPRESS XP label names 63 weeds, including black mustard, blue mustard, london rocket, marshelder, bushy wallflower, and chamomile mayweed. Control varies by crop, rate, and timing.

What crops is EXPRESS XP labeled for?

EXPRESS XP is labeled for 10 crops and uses, including wheat, cotton, sunflower, barley, and triticale.

What is the active ingredient in EXPRESS XP? Is it a generic?

EXPRESS XP's active ingredient is tribenuron-methyl (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.