Herbicide label

Boa Herbicide Label

Boa (EPA 83529-78) is a Group 14 lactofen herbicide labeled for 3 crops. The label lists 56 controlled weeds, plus partial-control, suppression, and partner-control categories.

“Boa is a selective, broad spectrum herbicide for pre-emergence and post-emergence control of susceptible broadleaf weeds.”

— Boa EPA label, Reg. No. 83529-78

Boa label facts

Crops on the Boa label

Boa is labeled for these 3 crops and uses, per the EPA label.

Weeds on the Boa label

The Boa label names 67 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 control56
  • amaranth, palmer
  • amaranth, spiny
  • balloonvine
  • beggarweed, florida
  • beggarticks, devils
  • buffalobur
  • burcucumber
  • carpetweed
  • cocklebur, common
  • copperleaf, hophornbeam
  • copperleaf, virginia
  • crotalaria, showy
  • croton, tropic
  • croton, woolly
  • devil's claw
  • eclipta
  • galinsoga, hairy
  • groundcherry, cutleaf
  • groundcherry, lanceleaf
  • jimsonweed
  • kochia
  • lambsquarters, common
  • mallow, venice
  • morningglory, purple
  • morningglory, cypressvine
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, palmleaf
  • morningglory, pitted
  • morningglory, smallflower
  • morningglory, tall
  • mustard, wild
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • pigweed, prostrate
  • pigweed, redroot
  • pigweed, smooth
  • poinsettia, wild
  • poorjoe
  • puncturevine
  • purslane, common
  • pusley, florida
  • ragweed, common
  • ragweed, giant
  • sage, lanceleaf
  • sesbania, hemp
  • sida, prickly
  • smellmelon
  • spurge, prostrate
  • spurge, spotted
  • spurge, toothed
  • sunflower, annual
  • texasweed
  • waterhemp, common
  • witchweed

Suppression

suppression11
  • anoda, spurred
  • milkweed, climbing
  • milkweed, common
  • morningglory, bigroot
  • redvine
  • senna, coffee
  • smartweed, pennsylvania
  • smartweed, swamp
  • thistle, canada
  • trumpet creeper
  • velvetleaf

Boa 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.

Boa FAQ

What weeds does Boa control?

The Boa label names 67 weeds, including palmer amaranth, spiny amaranth, balloonvine, florida beggarweed, devils beggarticks, and buffalobur. Control varies by crop, rate, and timing.

What crops is Boa labeled for?

Boa is labeled for 3 crops and uses, including soybeans, cotton, and peanut.

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

Boa's active ingredient is lactofen (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.