Barricade Granular Pre-emergent Herbicide
Barricade Pre-Emergent Herbicide Prodiamine Granular Barricade Pre-Emergent Herbicide Prodiamine Granular Barricade Pre-Emergent Herbicide Prodiamine Granular Barricade Pre-Emergent Herbicide Prodiamine Granular Barricade Pre-Emergent Herbicide Prodiamine Granular Barricade Granular Pre-emergent Herbicide Barricade Pre-Emergent Herbicide Prodiamine Granular

Barricade Pre-Emergent Herbicide Prodiamine Granular

NITRO-PHOS

Barricade Pre-Emergent Herbicide Prodiamine Granular

Barricade Herbicide is a flexible, granular pre-emergent herbicide that prevents a broad-spectrum of grassy and broadleaf weeds growing on various grass types and gardens.
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Barricade Granular Pre-Emergent Herbicide with Prodiamine, manufactured by Nitro-phos, is a professional pre-emergent herbicide that controls a broad-range of weeds and easily prevents unwanted foliage all season long. This granule pre-emergent herbicide contains prodiamine 0.58%, which stunts the growth of grassy and broadleaf weeds in established turfgrass, gardens, flowerbeds and many other non-crop growing areas.

This easy to use granule product works by preventing root growth and seed germination of target weeds. When applied, it will leave a barrier in the soil that will stop weeds from sprouting for effective pre-emergent weed control. Barricade Pre-Emergence Herbicide can be used in spring and fall to help you keep weed-free lawn throughout the year.

Barricade Granular Pre-Emergent Herbicide is a pre-emergent herbicide designed with small granule particles designed to readily break upon contact with water, providing superior performance and more coverage of treatment areas.

Tools Needed

To use Barricade Granular Pre-Emergence Herbicide, you will need either a rotary, drop, or hand spreader designed for use with fertilizers and granulated herbicides. We recommend using a push broadcast spreader for best results and larger treatment areas. Hand spreaders work well for small or ornamental bed applications.

How to Use

Load spreader at Barricade Herbicide

  • Step 1: Determine how much Barricade Granular Pre-Emergence Herbicide to use by measuring the square footage of the treatment area. You can do this by measuring the length and width of the treatment area in feet then multiplying them together (length X width = square footage). For acreage, take the square footage and divide it by one acre (square footage / 43,560 sq. ft. = acre). Depending on your turf species, you may be using anywhere from 1.5 to 4 pounds of Barricade Granular Pre-Emergence Herbicide per 1,000 sq. ft. For landscape ornamentals, the application rate will be between 2.5 and 5.94 lbs. of product per 1,000 sq. feet. For example, if you have perennial ryegrass on a 3,000 sq. ft. lawn, and the labeled rate for your turf is 2 lbs. per 1,000 sq. ft., you will need to load 6 lbs. of Barricade into your spreader to cover your entire yard.
  • Step 2: Now that you have determined how much Barricade Granular Pre-Emergent Herbicide you will need, calibrate your spreader to the right spreader setting for application and load the appropriate amount of granules into the spreader. This product label states spreader settings for various spreader types. If your spreader is not listed, you can set the spreader to the low to mid range for even distribution.
  • Step 3: Broadcast the Barricade Granular Pre-Emergent Herbicide uniformly using your spreader type. You may need to conduct 2 perpendicular passes to get uniform coverage. If any granules land on your driveway, sidewalk, or street, sweep the product back onto your lawn. Activate the granules by watering your lawn with at least 0.5 inches of water for best results.

Where to Use

spreading barricade

Barricade Granular Pre-Emergent Herbicide can be used on established residential and commercial lawns and ornamental turf, landscape ornamentals, and established perennials and wildflower plantings.

Do not apply to golf course putting greens, or areas where dichondra, colonial bentgrass, velvet bentgrass, or annual bluegrass (Poa annua) are desirable species. Not for use on plants being grown for sale or other commercial use, for commercial seed production, or for research purposes.

When to Use

Timing is key when applying pre-emergent products. If the weeds are already established, the product will not work. The best time to apply pre-emergent herbicides like Barricade Granular Pre-Emergent Herbicide is in both spring and fall. 

Apply only to actively growing turf. Do not apply if heavy rain is expected.

This product will inhibit germination of turf seed if overseeded too soon after application. Do not apply to overseeded turf within 60 days after seeding or until after the second mowing, whichever is longer.

Safety Information

Barricade Pre-Emergence Herbicide is safe to use around pets and children when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when handling and applying this product.

Keep children and pets off the treated area until product has dried. Do not graze or feed livestock forage cut from treated areas.

Do not apply near water, storm drains, or drainage ditches.

Special Considerations

Barricade Pre-Emergence Herbicide will not kill established weeds. For that, you will need to use a post-emergent herbicide. Applying Barricade may thin emerged annual bluegrass and newly overseeded grasses, so make sure to wait at least 60 days after seeding to apply the product. Avoid cultural practices such as core aeration, as this will disturb the herbicide barrier and lead to reduced weed control.

When plants are under stress (such as heat, drought, or frost damage) some cultivars of listed plants may be sensitive to this product.

AvailabilityIn Stores, Online
Restricted UseNo
Shipping Restrictions50 Pound: AK, HI
10 Pound: AK, HI
BrandNITRO-PHOS
Keith's Pro Tips"If you see any of the Barricade Herbicide granules on the sidewalk or your driveway, be sure to sweep it back into the grass. Barricade can stain concrete surfaces. We also don't want the granules to be picked up and drained by flowing rain water."
Product DrawbacksBarricade Herbicide will not work against emerged weeds. You need to time applications prior to the germination of weed seed for best results.
Target PestsBarnyardgrass, Annual Bluegrass, Poa Annua, Carpetweed, Common Chickweed, Mouseear Chickweed, Large Crabgrass, Smooth Crabgrass, Crowfootgrass, Woolly Cupgrass, Annual Foxtails, Goosegrass, Henbit, Itchgrass, Johnsongrass, Junglerice, Knotweed, Kochia, Common Lambsquarter, Lovegrass, Texas Panicum, Fall Panicum, Browntop Panicum, Pigweed, Common Purslane, Florida Pusley, Rescuegrass, Sheperds purse, Signalgrass, Speedwell, Sprangletop, Prostrate Spurge, Witchgrass, and Yellow Woodsorrel.
Application EquipmentHand Spreader, Push Spreader
Application MethodsGranular Spreading
Active IngredientProdiamine .58%. Barricade 50 lbs. contains Prodiamine at .38%
Product TypeHerbicide
FormulationGranular
Application RateDepending on your turfgrass type, the minimum rate of Barricade Herbicide ranges between 1.5 pounds to 4 pounds per 1000 sq. ft. For the 50 lb. bag, application rates is 2.7 lbs. per 1000 sq. ft. or 118 lbs. per acre.
Shelf LifeBarricade Herbicide will last between 3 years when stored in a cool, dry locked storage area out of reach of children and domestic animals.
YieldDepending on your turf the application rate and yield of Barricade Pre-Emergent Herbicide Prodiamine Granular will vary. If used at the lowest application rate of 1.5 pounds per 1,000 square feet, a 10 lb. bag of Barricade Herbicide will treat approximately 6,666 sq. ft. For the 50 lb. size of this product the lowest application rate of 2.3 pounds per 1,000 will treat up to approximately 21,739 sq. ft.
Use SitesOutdoors
Time to KillBarricade Herbicide does not kill weeds, it stops weed seeds in the soil from germinating within 14 days of application.
Comparable ProductsProdiamine 65 WDG
Incompatible Grass Types Bentgrass
EPA Registration #32802-67-54343
4.4/5
Based on 70 reviews
  • 76%(53)
  • 9%(6)
  • 4%(3)
  • 3%(2)
  • 9%(6)
Write a Review
Customer Photos
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100%
6/10/21
Paul Druckman
Verified Buyer
Pre-emergent
Excellent pre-emergent product. Worked very good. Will order again next year.
20%
4/24/21
Kristie r.
Verified Buyer
Don’t waste your money!
This stuff didn’t do one thing to prevent weeds from popping up!!!! What a waste of money! It’s like I didn’t even put anything down. Followed instructions, but I have weeds coming up everywhere I put it. Don’t waste your money!
20%
4/14/21
John P.
Verified Buyer
Tons of weeds on lawn
Tons of weeds are emerging on my lawn. Looks like this was a waste of money. 
100%
4/12/21
WILLIAM S.
Verified Buyer
Barricade is best
Dimension didn't work on my yard so I switched to Barricade. I used it for years. It was always effective. I had a great lawn!
100%
4/10/21
Dave Faulkner
Verified Buyer
Works well but the dust for the chemicals is a bit much. Wear a respirator and PPE while applying
100%
3/29/21
gary d.
Verified Buyer
Stopping weeds before they surface
no more waiting for the dollar weed in my florida grass
Pre-emergents herbicide fixed that .
you see it pop up then buy pruduct to get ride of it and wait two weeks for it to kick in
NO MORE pre emergent herbicide fixed that
100%
3/28/21
Karen R.
Verified Buyer
Fantastic
It really hasn’t had time to work yet. I was very pleased with how fast I received it. It only took two days to get it.
I know it’s going to work well! I read lots of good reviews ??
40%
3/23/21
KEN S.
Verified Buyer
Barricade Granular
This seemed to be totally ineffective for our use in south Texas. We seemed to have more weeds than any previous year even after using the product as prescribed
100%
11/29/20
Charlotte S.
Verified Buyer
I used knowledge of store employee and ordered product. This is not the first time I’ve done such. I applied it on November 8th and expect excellent results.
100%
10/12/20
Larry
Verified Buyer
Effective against the worst Weeds
I bought it primarily to stop Spotted Spurge weeds in my West Texas lawn, and it seems to have been effective in the last two seasons.
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More Information
Restricted Use No
Shipping Restrictions AK, HI
Availability In Stores, Online
Signal Word CAUTION
Keith's Pro Tip "If you see any of the Barricade Herbicide granules on the sidewalk or your driveway, be sure to sweep it back into the grass. Barricade can stain concrete surfaces. We also don't want the granules to be picked up and drained by flowing rain water."
Target Pests Multi Annual Bluegrass, Annual Foxtails, Barnyardgrass, Browntop Panicum, Carpetweed, Chickweed, Common Purslane, Crowfootgrass, Fall Panicum, Florida Pusley, Goosegrass, Henbit, Itchgrass, Johnsongrass, Junglerice, Knotweed, Kochia, Lambsquarters, Large Crabgrass, Lovegrasses, Mouseear Chickweed, Pigweed, Poa Annua, Prostrate Spurge, Rescuegrass, Shepherdspurse, Signalgrass, Smooth Crabgrass, Speedwell, Sprangletop, Texas Panicum, Witchgrass, Woolly Cupgrass, Yellow_Woodsorrel
Time to Kill Barricade Herbicide does not kill weeds, it stops weed seeds in the soil from germinating within 14 days of application.
Chemical Type Herbicide
Formulation Granular
Application Methods Granular Spreading
Product Drawbacks Barricade Herbicide will not work against emerged weeds. You need to time applications prior to the germination of weed seed for best results.
Active Ingredient Prodiamine .58%. Barricade 50 lbs. contains Prodiamine at .38%
Application Equipment Hand Spreader, Push Spreader
Mix Rate Depending on your turfgrass type, the minimum rate of Barricade Herbicide ranges between 1.5 pounds to 4 pounds per 1000 sq. ft. For the 50 lb. bag, application rates is 2.7 lbs. per 1000 sq. ft. or 118 lbs. per acre.
Low Use Rate 24 oz./1,000 sq. ft.
High Use Rate 96 oz./1,000 sq. ft.
Use Sites Outdoors
Yield Depending on your turf the application rate and yield of Barricade Pre-Emergent Herbicide Prodiamine Granular will vary. If used at the lowest application rate of 1.5 pounds per 1,000 square feet, a 10 lb. bag of Barricade Herbicide will treat approximately 6,666 sq. ft. For the 50 lb. size of this product the lowest application rate of 2.3 pounds per 1,000 will treat up to approximately 21,739 sq. ft.
EPA Registration No. 32802-67-54343
Shelf Life Barricade Herbicide will last between 3 years when stored in a cool, dry locked storage area out of reach of children and domestic animals.
Comparable Products Prodiamine 65 WDG
Children or pets? No
Property Characteristics None
Questions and Answers
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  1. Q:Depending on your turf the application rate and yield of Barricade Pre-Emergent Herbicide Prodiamine Granular will vary. If used at the lowest application rate of 1.5 pounds per 1,000 square feet, a 10 lb. bag of Barricade Herbicide will treat approximately 6,666 sq. ft. For the 50 lb. size of this product the lowest application rate of 2.3 pounds per 1,000 will treat up to approximately 21,739 sq. ft.
    2/15/24
    A:Yes

    Amanda Chavez

    11/7/20
    Certified Buyer
  2. Q:Can I safely apply to dormant zoysia?
    2/12/24
    A:Barricade Pre-Emergent Herbicide Prodiamine Granular can only be applied to actively growing turf so it cannot be applied to your dormant zoysiagrass.

    Amanda Chavez

    2/12/24
    Certified Buyer
  3. Q:when do you expect more?
    2/9/24
    A:I received an email, from Solutions Stores, asking me To answer this customer question. Personally, I do not expect any more of this product as I have moved and no longer need to use it. Good luck.

    John Panek

    2/10/24
    Certified Buyer
  4. Q:Can 10 lb bag treats up to 5000 sq ft.
    2/3/24
    A:At a rate of 2 pounds per 1,000 square feet, a 10 lb. bag of Barricade Herbicide will treat up to 5,000 square feet.

    Amanda Chavez

    2/15/24
    Certified Buyer
  5. Q:is this safe to use on Zozia?
    2/2/24
    A:Zoysiagrass is among the turf species safe for use that are listed on the product label. The minimum application rate for Zoysia is 4 pounds per 1000 sq. ft. and the maximum annual rate is 6 pounds per 1000 sq. ft. per year.

    Gregory Taylor

    2/2/24
    Certified Buyer
  6. Q:Will it kill sandburs?
    2/1/24
    A:Barricade Granular Pre-emergent Herbicide will not control sandburs.

    Amanda Chavez

    2/2/24
    Certified Buyer
  7. Q:Does this kill henbit ?
    1/30/24
    A:Barricade Granular Pre-emergent Herbicide will kill germinating henbit. To control henbit that has already emerged, check out our DIY guide. https://www.solutionsstores.com/henbit-control

    Amanda Chavez

    1/31/24
    Certified Buyer
  8. Q:Can pre-emergent be used on st augustine grass?
    1/30/24
    A:Yes it can

    Amanda

    3/28/24
  9. Q:My yard is all gravel, will this product work for this situation?
    1/17/24
    A:Barricade Granular Pre-emergent Herbicide can only be applied to labeled areas with actively growing turf.

    Amanda Chavez

    1/17/24
    Certified Buyer
  10. Q:I am having trouble with calculations. How much is needed for 2 acres at the max application rate? The directions indicate the same coverage area for all the application rates. Wouldn’t the coverage area - of the 50 pound bag- go down with a high application rate?
    1/11/24
    A:We recommend using our DIY guide to proper calibrate your spreader. The application rate will also depend on your turf type. https://www.solutionsstores.com/calibrating-your-granular-spreader

    Amanda Chavez

    1/12/24
    Certified Buyer
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