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  #1  
Old 08-29-2011, 07:55 PM
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pattytastik pattytastik is offline
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How do you all use Preen?

I have read the label but I want to here how you all use it. Do you apply prior and after a mulch job? (under the mulch and on top). How often do you use it?

I have a new client that has weeds popping up in her mulch and she wants me to take care of it. Should I pull the existing weeds and THEN apply Preen?

Thanks!
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Old 08-31-2011, 08:13 AM
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gsaunders5 gsaunders5 is offline
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I apply on the dirt, water it in good and then apply on top of the mulch also. I have very good luck with doing it that way. Look for the big bag or I buy it in the 20Lb container for $25.50. Better than $15.00 for 5lb. Good Luck!
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  #3  
Old 08-31-2011, 10:18 AM
Barrett Landscaping Barrett Landscaping is offline
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using preen is for homeowners. use treflawn. it is much more powerful and a 40lb bag does 20,000 sq/ft or something.
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  #4  
Old 08-31-2011, 11:44 AM
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Florida Gardener Florida Gardener is offline
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Snapshot is what you should be using
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  #5  
Old 09-01-2011, 06:42 PM
shade tree landscaping shade tree landscaping is offline
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second vote for snapshot! its a premerge though, if you have weeds coming up its to late. Here in NJ we apply it early/mid april depending on weather/temp
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  #6  
Old 09-03-2011, 07:20 PM
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Think Green Think Green is offline
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The original poster is 17..........I dont believe he is able to purchase snapshot, freehand,etc. unless he is licensed!! Yes, Preen.....aka. Treflan(Trifluralin) and is sold to homeowners as a basic weed control method for flower beds and container grown plants.

Josh lawn care,
To be more specific, the correct method of application is to bare-weed free soil prior to mulch application. Water in with 1/2 inch of water or irrigation to make it work. This product will last at least 8 weeks under normal conditions.
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  #7  
Old 09-03-2011, 08:01 PM
greendoctor greendoctor is offline
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Quote:
Originally Posted by diamondlandscaping View Post
Snapshot is what you should be using
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And/or Ronstar G, Showcase or Freehand. Trifluralin covers a very limited spectrum of weeds. I remember once having to educate a co worker from the East coast as to why I never ever used Treflan or Preen in landscape beds. That is because the Treflan would allow any kind of weed that was not an annual grass to come up. Dinitroaniline herbicides like Preen are best on crabgrass or foxtail, but not so strong on the kinds of weeds that have broad leaves and develop 3 foot tall seed heads.
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Old 09-03-2011, 11:10 PM
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Florida Gardener Florida Gardener is offline
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Quote:
Originally Posted by greendoctor View Post
And/or Ronstar G, Showcase or Freehand. Trifluralin covers a very limited spectrum of weeds. I remember once having to educate a co worker from the East coast as to why I never ever used Treflan or Preen in landscape beds. That is because the Treflan would allow any kind of weed that was not an annual grass to come up. Dinitroaniline herbicides like Preen are best on crabgrass or foxtail, but not so strong on the kinds of weeds that have broad leaves and develop 3 foot tall seed heads.
Yea, broadleaves are about 50% of bedding weeds that I deal with. Getting the best overall control is top priority. Snapshot also covers stuff that is not on the label.
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  #9  
Old 09-05-2011, 12:01 AM
Mxrider52 Mxrider52 is online now
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What can I use to maintain weeds in a garden with blackberries, raspberries, and grapes?
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  #10  
Old 09-05-2011, 12:53 AM
jiggz jiggz is offline
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Quote:
Originally Posted by Mxrider52 View Post
What can I use to maintain weeds in a garden with blackberries, raspberries, and grapes?

corn gluten meal
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