Herbicide label

LONDAX Herbicide Label

LONDAX (EPA 70506-372) is a Group 2 bensulfuron-methyl herbicide labeled for 1 crops. The label lists 21 controlled weeds, plus partial-control, suppression, and partner-control categories.

LONDAX label facts

Crops on the LONDAX label

LONDAX is labeled for these 1 crops and uses, per the EPA label.

Weeds on the LONDAX label

The LONDAX label names 33 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 control21
  • alligatorweed
  • ammannia, purple
  • arrowhead, annual
  • arrowhead, california
  • blunt spikerush
  • dayflower
  • ducksalad
  • eclipta
  • false pimpernel
  • flatsedge, rice
  • gooseweed
  • mexicanweed
  • nutsedge, yellow
  • pickerelweed
  • roughseed bulrush
  • smallflower umbrellaplant
  • texasweed
  • water plantain
  • waterhyssop, eisen
  • waterhyssop, roundleaf
  • waterwort

Suppression

suppression2
  • sesbania, hemp
  • jointvetch, northern

Controls with a tank-mix partner

needs partner12
  • barnyardgrass, common
  • watergrass
  • cocklebur, common
  • sesbania, hemp
  • jointvetch, northern
  • morning glory, annual
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, palmleaf
  • morningglory, pitted
  • nutsedge, species
  • smartweed, pennsylvania

LONDAX 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.

LONDAX FAQ

What weeds does LONDAX control?

The LONDAX label names 33 weeds, including alligatorweed, purple ammannia, annual arrowhead, california arrowhead, blunt spikerush, and dayflower. Control varies by crop, rate, and timing.

What crops is LONDAX labeled for?

LONDAX is labeled for 1 crops and uses, including rice.

What is the active ingredient in LONDAX? Is it a generic?

LONDAX's active ingredient is bensulfuron-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.