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The Anderson’s 21-3-8 Fertilizer with Barricade Herbicide is a 2-in-1 weed and feed formula that helps protect lawn while feeding the grass to promote stronger roots and turf. It contains Prodiamine as its active ingredient which provides effective, pre-emergent control of unwanted broadleaf and grassy weeds in established turfgrasses. It offers residual control of a wide variety of susceptible weeds and it works by preventing germination of weed seeds and stop them from developing. It is most effective when stimulated by at least 0.5 in. of irrigation or rainfall, with shallow addition before germination and within 14 days after application. It also feeds just the right amount of essential nutrients at 21-3-8 formulation to achieve a healthier lawn. This granular formula comes in 50 lb. bag.
Product Documents
Active Ingredient | Prodiamine - 0.426% |
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Target pests | Barnyardgrass, Bluegrass, Annual (Poa annua), Carpetweed, Chickweed, Mouseear, Crabgrass, Crowfootgrass; Cupgrass, Foxtail, Goosegrass, Henbit, Itchgrass; Johnsongrass, Knotweed; Kochia, Lambsquarter, Lovegrass, Oxalis, Panicum, Pigweed, Purslane, Spurge. |
For use in | Established lawns and turf grasses. |
Application | Apply uniformly through suitable, calibrated application equipment. Light Rate: 3.6 lbs/1,000 sq. ft. Low Rate: 4.0 lbs/1,000 sq. ft. Medium Rate: 5.4 lbs/1,000 sq. ft. |
Pet safe | Yes, if used as directed on label. |
Formulation | Granules. |
NOT FOR SALE TO | CA, NY |
Coverage Area | Treats 13,800 sq. ft. (0.32 acre) at the 155 lbs. product/acre. Treats 12,500 sq. ft. (0.29 acre) at the 174 lbs. product/acre. Treats 9,200 sq. ft. (0.21 acre) at the 235 lbs. product/acre. |
Special Features | For effective preemergence control of grass and broadleaf weeds. |
Shipping Weight | 50.00 lbs |
Manufacturer | The Andersons (Mfg. Number: ANPAPT215BR5) |
UPC | 031865315916 |
EPA Registration | 9198-140 |
Plant nutrients derived from ammonium phosphate, urea and potassium chloride.
It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.
Not for use on turf being grown for sale or other commercial use as sod, or for commercial seed production, or for research purposes.
In Virginia, this lawn/turf fertilizer contains phosphorous and is only for nonagricultural use on (i) turf during its first growing season, (ii) on turf areas being repaired or renovated, and (iii) on turf where a soil test performed within the last 3 years indicates a phosphorous deficiency. This fertilizer is not for the routine maintenance of turf.
APPLICATION DIRECTIONS:
Apply uniformly through suitable, calibrated application equipment.
ESTABLISHED TURF:
This product is a preemergence herbicide that, when properly applied as directed, will control certain grass and broadleaf weeds in established turf grasses and lawns. The maximum amount of this product that may be applied per year is given for each turf grass species in the Maximum Annual Rates section of this label.
Most effective weed control in turf grasses will be obtained when this product is activated by at least 0.5 inch of rainfall or irrigation prior to weed seed germination and within 14 days following application. See the map below for approximate crabgrass seed germination dates.
Use Restrictions and Precautions:
The following precautions apply to the use of this product in turf grasses and lawns:
Rates of Application:
This product may be applied as a single application or in sequential applications to control weeds germinating throughout the year. All applications must be made prior to germination of the target weeds. This product will not control established weeds.
Maximum use rate selection should be based on turf species. The length of time of residual weed control provided by this product is related to the rate applied.
(See label for complete rates).
WEEDS CONTROLLED:
When used at the recommended rates this product will control: Barnyardgrass; Bluegrass, Annual (Poa annua); Carpetweed; Chickweed, Common; Chickweed, Mouseear (from seed); Crabgrass (Large, Smooth); Crowfootgrass; Cupgrass, Woolly; Foxtails, Annual; Goosegrass1; Henbit; Itchgrass; Johnsongrass (from seed); Junglerice; Knotweed; Kochia; Lambsquarter, Common; Lovegrass; Oxalis; Panicum (Texas, Fall, Browntop); Pigweed; Purslane, Common; Pusley, Florida; Rescuegrass3; Shepherd’s Purse2; Signalgrass, Broadleaf; Speedwell, Persian; Sprangletop; Spurge, Prostrate; Witchgrass; Woodsorrel, Yellow (from seed).
1-In many areas a single application of 3.6 to 8.1 lbs/1,000 sq. ft. (155 to 352 lbs/A) of this product will control goosegrass. However, under heavy goosegrass pressure and/or an extended growing season, most effective weed control may be obtained by making an initial application of 3.6 to 5.4 lbs/1,000 sq. ft. (155 to 235 lbs/A) followed after 60 to 90 days by a second application at doses that would not exceed those given in the Maximum Annual Rates Table. Do not exceed the maximum rate for turfgrass species listed in the Maximum Annual Rates Table on the label.
2-Applications for this weed should be made in late summer, fall, or winter prior to germination. Do not exceed the maximum application rates specified in the Maximum Annual Rates table.
3-Suppression only.
Sequential applications may be made so long as the total amount of product applied does not exceed the maximum application rates specified in the Maximum Annual Rates table. All applications must be made prior to germination of the weed seeds.
When to Apply After Overseeding Turf:
Do not apply to overseeded turf within 60 days after seeding or until after the second mowing, whichever is longer. Injury to desirable seedlings is likely if this product is applied before seedling secondary roots are in the second inch of soil, not thatch plus soil.
* Note: In AZ, CA, NV and TX, the overseeding interval can be shorter in established bermudagrass that has been overseeded with perennial ryegrass. See the next section “Poa annua Control in Established Bermudagrass Overseeded with Perennial Ryegrass (AZ, CA, NV and TX only)”.
Poa annua Control in Established Bermudagrass Overseeded with Perennial Ryegrass (AZ, CA, NV and TX only):
Use on golf courses (excluding golf course putting greens) and lawns when overseeding with perennial ryegrass (minimum seed rate of 350 lbs/A).
How Much and When to Apply:
Amount to Apply: 88 - 155 lbs./acre or 2.0 - 3.6 lbs./1,000
When to Apply:
Use Precautions:
COVERAGE:
ENVIRONMENTAL HAZARDS:
This product has low solubility in water. At the limit of solubility, this product is not toxic to fish. However, at concentrations substantially above the level of water solubility, it may be toxic to fish. Do not apply directly to water or to areas where surface water is present or to intertidal areas below the mean high water mark. Drift and runoff from treated areas may be hazardous to aquatic organisms in adjacent sites. Do not contaminate water when disposing of equipment washwaters.
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Year round control
By Chester on 09/08/2020
Used this on my mother's tall fescue lawn. The prior year she had a major crabgrass and foxtail problem. This year the only weed in her lawn was dandelions which were spot treated with a selective herbicide. Great results and easy to use. Will be using again this coming spring!
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8 of 8 people found this review helpful
The Andersons 21-3-8 Fertilizer with Barricade Herbicide is not labeled to control dollarweed. It offers residual control of a wide variety of susceptible weeds and it works by preventing germination of weed seeds and stop them from developing.
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I have two spreaders and want to know the set for Bermuda grass as pre-emergent.
I have the spreader setting for Barricade, but this product has fertilizer in it. I don't want to burn my lawn.
Unfortunately, we do not have the spreader settings for that specific combo, and since the manufacturer does not list that spreader on The Anderson's 21-3-8 Fertilizer with Barricade Herbicide bag we are unsure what the exact setting would be. Due to the thousands of granules on the market and just as many different types of spreaders, there isn't a master list that exists. You may want to try calling the manufacturer of your spreader or the chemical itself directly, to see if anyone on their staff has that info. Otherwise, you will want to calibrate your spreader to the product you are using and its application rates for your turfgrass and NPK needs. You can see a short video on how to accomplish this How to Calibrate your Spreader
Sorry, I can enlarge enough to read what the directions say. Also, how much coverage do you get acreage with a 50lb bag?
The Anderson's 21-3-8 Fertilizer with Barricade Herbicide is a dry granule you apply with a spreader. Complete instructions are on the label here in PDF format. Rates vary depending on your turfgrass type and program you are following (ie split applications or single). Treats 13,800 sq. ft. (0.32 acre) at the 155 lbs. product/acre. Treats 12,500 sq. ft. (0.29 acre) at the 174 lbs. product/acre. Treats 9,200 sq. ft. (0.21 acre) at the 235 lbs. product/acre.
The Anderson's 21-3-8 Fertilizer with Barricade Herbicide is a slow-release fertilizer and pre-emergent.
The Anderson's 21-3-8 Fertilizer with Barricade Herbicide Rating: 5 (1 Reviews / 9 Q&A)