Herbicide label
Vapam HL
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.
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Vapam HL label facts
- Product Vapam HL
- EPA Reg. No. 5481-468
- Registrant Amvac Chemical Corporation
- Active ingredient metam
- MOA group not classified
Crops on the Vapam HL label
Vapam HL is labeled for these 17 crops and uses, per the EPA label.
- field corn
- soybean
- wheat
- cotton
- potato
- peanut
- sugar beet
- barley
- alfalfa
- cereal rye
- durum wheat
- mint
- mustard
- radish
- spinach
- sweet potato
- turnip
Need the rate or timing for one of these? Filter every label by your crop, free.
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
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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 and your soil texture.
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.
Can I tank-mix Vapam HL?
It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.
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Sources
Last updated 2026-07-14.