Herbicide label

Vapam HL Herbicide Label

Vapam HL (EPA 5481-468) is a metam herbicide labeled for 17 crops. The label lists 14 controlled weeds, plus partial-control, suppression, and partner-control categories.

Vapam HL label facts

Crops on the Vapam HL label

Vapam HL is labeled for these 17 crops and uses, per the EPA label.

Weeds on the Vapam HL label

The Vapam HL label names 15 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 control14
  • amaranth
  • bermudagrass
  • chickweed
  • dandelion
  • henbit
  • johnsongrass
  • lambsquarters
  • morningglory, wild
  • nightshade, black
  • pigweed
  • purslane
  • ragweed, giant
  • watercress
  • watergrass

Suppression

suppression1
  • nutsedge

Vapam HL 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.

Vapam HL FAQ

What weeds does Vapam HL control?

The Vapam HL label names 15 weeds, including amaranth, bermudagrass, chickweed, dandelion, henbit, and johnsongrass. Control varies by crop, rate, and timing.

What crops is Vapam HL labeled for?

Vapam HL is labeled for 17 crops and uses, including field corn, soybeans, wheat, cotton, and potato.

What is the active ingredient in Vapam HL? Is it a generic?

Vapam HL's active ingredient is metam. 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.