Herbicide label

K-PAM HL Herbicide Label

K-PAM HL (EPA 5481-483) is a metam herbicide labeled for 18 crops. The label lists 14 controlled weeds, plus partial-control, suppression, and partner-control categories.

K-PAM HL label facts

Crops on the K-PAM HL label

K-PAM HL is labeled for these 18 crops and uses, per the EPA label.

Weeds on the K-PAM HL label

The K-PAM 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 species
  • bermudagrass
  • chickweed
  • dandelion
  • henbit
  • johnsongrass
  • lambsquarters
  • morning-glory, wild
  • nightshade, black
  • pigweed
  • purslane
  • ragweed, giant
  • watercress
  • watergrass

Suppression

suppression1
  • nutsedge

K-PAM 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.

K-PAM HL FAQ

What weeds does K-PAM HL control?

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

What crops is K-PAM HL labeled for?

K-PAM HL is labeled for 18 crops and uses, including field corn, soybeans, wheat, cotton, and potato.

What is the active ingredient in K-PAM HL? Is it a generic?

K-PAM 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.