Surflan AS Herbicide

5 out of 5 stars 11 Reviews | 43 Q&A

Surflan AS Herbicide

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Average Rating

5 out of 5 stars Rating: 4.8

11 Reviews | 43 Q&A

Product Overview

Surflan AS Specialty Herbicide is a selective pre-emergent herbicide for the control of annual grasses and many broad-leaf weeds in landscape ornamentals, container grown ornamentals, field grown ornamentals, ornamental bulbs, ground covers/perennials, Christmas Tree plantations, Non-bearing fruit and nut trees and non-bearing vineyards, noncropland industrial sites, and established warm season turf including Bermudagrass, Bahiagrass, Buffalograss, Centipedegrass, St. Augustinegrass, Zoysiagrass and Tall Fescue.

Features and Specs

Active Ingredient: Oryzalin - 40.4%
Target pests: Annual grasses: Barley, Barnyardgrass, Bluegrass, Crabgrass, Crowfootgrass, Cupgrass, Foxtail, Goosegrass, Johnsongrass, Junglerice, Lovegrass, Oat, Panicum, Ryegrass, Signalgrass, Sprangletop, Witchgrass.

Broadleaf Weeds: Bittercress, Carpetweed, Chickweed, Fiddleneck, Filaree, Groundsel, Henbit, Knotweed, Lambsquarters, Pigweed, Puncturevine, Purslane, Pusley, Rocket, Rockpurslane, Shepherdspurse, Spurge, Woodsorrel

Suppresses these weeds (control may range from poor to excellent depending on several factors): Horseweed, Ladysthumb, Lettuce, Mallow, Milkweed, Morningglory, Mustard, Nightshade, Ragweed, Smartweed, Sowthistle, Spurge, Teaweed, Velvetleaf, Wheat
For use in: Landscape ornamentals, container grown ornamentals, field grown ornamentals, ornamental bulbs, ground covers/perennials, Christmas Tree plantations, Non-bearing fruit and nut trees and non-bearing vineyards, noncropland industrial sites

Warm-Season Turf: Bermudagrass, Bahiagrass, Buffalograss, Centipedegrass, St. Augustinegrass, Zoysiagrass and Tall Fescue
Application: * See label for complete application instructions
Formulation: Professional Product
NOT FOR SALE TO: HI, PR
Shipping Weight: 25.80 lbs
Manufacturer: United Phosphorus Inc.
EPA Registration: 70506-44

Details

SOIL PREPARATION

Surflan AS controls weeds growing from seed. Surflan AS will not control emerged weeds. Surflan AS does not control established weeds, weeds growing from stolens, rhizomes, or root pieces. Therefore, areas to be treated should be free of emerged weeds. Weed residues, prunings, and trash should be thoroughly mixed into the soil or removed prior to treatment. In field applications, the soil should be in good tilth and free of clods at the time of application.

Ground Application:

Apply Surflan AS as a directed spray to the soil surface or over the top of plants. Use only a properly calibrated, low-pressure, herbicide sprayer that will apply the spray uniformly. Use screens no finer than 50 mesh in nozzles and in-line strainers. Apply the appropriate rate of Surflan AS. In all cases, use sufficient water volume to obtain uniform coverage and deliver the desired rate of Surflan AS to the treated area. The volume of water used is not critical, as long as the desired rate of Surflan AS is delivered uniformly across the area treated. When calibrating, determine the volume of water delivered by the sprayer to a given area (1,000 sq. ft., 1 acre, etc.). Then mix the desired rate of Surflan AS in the amount of water required to cover the entire area to be treated. As the amount of water used (spray volume) decreases, the importance of accurate calibration and uniform application increases. Maintain continuous agitation from mixing through application. Avoid spray pattern skips and overlaps that may result in incomplete coverage or over-application.

5 stars   9
4 stars   2
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  • 4 of 5 Stars

    My work horse pre emergent

    By Rick on 02/19/2015

    Verified Purchase

    This is my main pre emergent and this brand is the most economical that I've found. I use it mixed with Roundup for pre and post emergence. This year I'm also trying it on Fescue lawns for Crabgrass prevention. I'm having a little trouble with small flakes clogging my sprayer and it's a bit of a pain to measure. It's a thick glue-like orange liquid which sticks to the measuring cup and takes some scrubbing to get out. Otherwise an effective and economical product.

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    18 of 18 people found this review helpful

  • 5 of 5 Stars

    Surflan AS Herbicide

    By Mary on 11/11/2011

    Verified Purchase

    WE received excellent, speedy service from DOMyOwnPestControl. We feel it is an excellent product and this company offered an excellent price and service.We will be doing business with them again as needed.

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    13 of 24 people found this review helpful

  • 5 of 5 Stars

    Ggggreat product

    By Brinkley on 06/13/2015

    Fast on time delivery!! A+++!! And product works amazing, just treat lawns early spring and late fall with some fertilizing here and there. Then you will have a healthy weed free lawn year around!!

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    11 of 12 people found this review helpful

  • 5 of 5 Stars

    Surflan AS

    By Richard on 08/28/2011

    Verified Purchase

    Very quick delivery (actually too quick :)) and wrapped very well.

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    9 of 24 people found this review helpful

  • 5 of 5 Stars

    Great Surflan Purchase

    By Billy on 03/30/2013

    Verified Purchase

    Great price and fast shipment, you cannot bet that combo! I will be back for other herbicide purchases. I like doing business here because of the quality products. This is an excellent pre-emerge chemical from an A+ company. Order response was quick and detailed and shipping date was quickly determined and relayed to me.

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    6 of 13 people found this review helpful

See all 11 customer reviews

Questions & Answers

Have a question about this product?
  
Q
What is a good pre-emergent for controlling sticker burrs/goatheads?

I live in central Texas and have a terrible problem with stickers in the yard. Don't know the exact name of the stickers; we call them goatheads among other things.

A

Surflan AS would be a great option. It is safe to be used on most grass types including some of the most sensitive ones like St Augustine. It will control Sandburs in your yard, as well as a multitude of other broadleaf weeds. It is highly recommended that you refer to the product label prior to purchase to make sure your lawn type is listed under grass species that are tolerant to the product.

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44 of 46 people found this answer helpful

Q
I have a backback and a 30gl tow behind sprayer with a boom and a wand. I am looking for a simple mix ratio

to kill various weeds.

A
Surflan AS Herbicide should be mixed at 1.5-2oz per gallon water.  

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35 of 37 people found this answer helpful

Q
What is the shelf life of Surflan AS Herbicide?
A
Surflan AS Herbicide should be used within 3 years of the date of purchase.

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30 of 30 people found this answer helpful

Q
Amount of Surflan AS per Gallon in Tank Sprayer

In the Label I do not see a recommendation for Tank Sprayer mixing. For non-crop land application, it recommends 4.5 oz/1000sq ft. Do you have any idea about the conversion for a 1 gallon tank sprayer?

A
The amount of water used to apply Surflan AS herbicide is not critical, but should be sufficient for uniform coverage of the target area.  You can follow these steps from page 2 of the product label to calibrate how much water you will need.
Steps in Calibration:
1. Mark an area of 1,000 square feet (i.e. 20 by 50 feet, or 25 by 40 feet).
2. Place the sprayer on a level surface and add water noting the final level of water in the
spray tank.
3. Spray the marked area with a sufficient volume of water to provide uniform coverage.
Refill the sprayer to the same level as before measuring the amount of water added. The
measured water added to the sprayer is the volume needed to cover 1,000 square feet.
4. Determine the application rate (fl oz/1000 sq ft) for Sur
flan AS from the “Approved Uses”
section of this label.
5. To each volume of water used, as measured in step 3, add the amount of Surflan AS as
determined in step 4.
Example:
If the sprayer used 2 gallons of water to cover 1,000 square feet and the desired
application rate of Surflan AS is 3 fluid oz/1,000 square feet, then you would add 3 fluid
ounces of Surflan AS to every 2 gallons of water to be used.

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28 of 40 people found this answer helpful

Q
What would you recommend?

I have about 75 acres I am treating. There is Bermuda and St Augustine but in most places it is not established very well. I work right outside the Dallas Area. The stickers are the main problem.

A
Although Surflan AS is labeled for sandbur which we believe is the "sticker" you are talking about, it is not recommended to use in turf grass that is not well established as you suggested.  You could damage the turf grass using this product.  We recommend Image 70 DG to treat sandbur.  Also, to prevent them for next year, you should apply Barricade as a pre-emergent in the late fall.

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20 of 20 people found this answer helpful

See all 43 customer questions

Surflan AS Herbicide 5 out of 5 stars Rating: 4.8 (11 Reviews / 43 Q&A)

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