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Prodiamine 4L

Walt Cline - Pest Control Professional Pro Tip: "Prodiamine 4L gives excellent weed prevention and this liquid concentrate is much easier to mix than the water soluble granular versions. "

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Prodiamine 4L
  • Buy 2 for $231.50 each and save 3%
  • Buy 4 for $224.50 each and save 6%

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Prodiamine 4L is a flowable liquid pre-emergent herbicide. Compare to Syngenta's Barricade with 40.8% Prodiamine, but more economical.

Prop65 California Proposition 65 WARNING



Quali Pro's Prodiamine 4L-2.5 Gallon

Prodiamine 4L is a flowable liquid pre-emergent herbicide with 40.8 % Prodiamine. Compare to Syngenta's Barricade 4L with 40.8% Prodiamine, but more economical. Mixed at 0.3-1.1 oz per 1,000 square feet, it has low use rates.

Prodiamine 4L provides season long weed and grass control in established turfgrasses, lawns, ornamentals, Christmas tree farms. It excludes golf putting greens.

As a pre-emergent herbicide, Prodimine 4L prevents growth and development of grasses and broadleaf weeds in such listed weeds such as Crabgrass, Knotweed, Chickweed, Henbit, Annual bluegrass (Poa annua), Foxtail, Spurge and more problem weeds.

How Prodiamine 4L Works

Prodiamine 4L controls emerging weeds by preventing growth in newly germinating seeds by inhibiting the mitotic processes. You need at least 0.5 inches of rain or irrigation to activate Prodiamine 4L for effective weed control.

Top Features

  • Low use rates for efficient control of crabgrass, Poa annua, goosegrass, and key annual broadleaf weeds (see label for listed weeds)
  • May be applied for season-long control
  • Low solubility and volatility stays in teh weed germination zone
  • Low-staining formulation

prodiamine 4l and crabgrass control

Additional Information

Additional Information

Pro Tips Prodiamine 4L gives excellent weed prevention and this liquid concentrate is much easier to mix than the water soluble granular versions.
Packaging 2.5 Gallons
Manufacturer Control Solutions
Product Label Label
More PDF's No
Target Pest grasses and broadleaf weeds (see label for a complete list)
Active Ingredient (s) Prodiamine 40.8% (4 pounds prodiamine per gallon)
For Use : A selective preemergence herbicide for control of grass and broadleaf weeds in established turfgrasses (excluding golf course putting greens), lawns and sod nurseries, ornamentals, and Christmas tree farms.
Yield N/A
Mixture|Application 0.3-1.1 oz per 1,000 square feet (minimum of 20 gallons/acre 0.5 gallons/1,000 square feet)
  • Use a low-pressure sprayer.
  • It may be tank mixed with other herbicides (see label)


Retreatment No
Shipping Restrictions N/A
More Instructions
  • Do not graze or feed livestock forage cut from areas treated with Quali- Pro Prodiamine 4L.
  • Do not apply Quali-Pro Prodiamine 4L to plants that will be consumed for food use.
  • Follow all applicable directions, restrictions, and precautions on the labels of EPA-registered tank mix partners.
  • Do not blend Quali-Pro Prodiamine 4L onto dry fertilizer or any other granular material.
  • Chemigation: Do not apply this product through any type of irrigation system unless instructed otherwise in this label.
  • Do not apply aerially.
  • Do not apply to golf course putting greens.
  • Follow all use directions in this Prodiamine's 4L  label. In all cases, do not exceed a dosage of 1.5 pounds active/acre (48 fl oz/acre) per year on any use site

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