BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns 10 LB Granules, 4,000 SQ FT

(278 customer reviews)
Last updated on November 23, 2025 4:19 pm Details
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  • KILLS WEEDS*: Kills listed broadleaf weeds, including Dandelion, Clover, Chickweed, Dollarweed and Henbit for up to 6 months
  • PREVENTS WEEDS* PLUS CRABGRASS UP TO 6 MONTHS: Prevents grassy and listed broadleaf weeds such as Crabgrass, Annual Bluegrass, Common Dandelion, Goosegrass and Spurge up to 6 months
  • FOR USE ON SOUTHERN LAWNS: Treats 4,000 square feet of southern turf, including all varieties of St. Augustinegrass and Floratam
  • SEASON LONG WEED CONTROL: One application provides season long control of over 50 listed lawn weeds
  • SIMPLE APPLICATION: Apply these weed killer granules with a rotary or drop spreader and water lightly 24 hours after applying

Specification: BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns 10 LB Granules, 4,000 SQ FT

Brand

BioAdvanced

Item Form

Granules

Coverage

4000 square feet

UPC

840216200609

Global Trade Identification Number

00840216200609

Manufacturer

SBMLI

Unit Count

160.0 Fluid Ounces

Product Dimensions

10.25 x 3 x 15 inches

Item Weight

9.61 pounds

Item model number

820060B

278 reviews for BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns 10 LB Granules, 4,000 SQ FT

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  1. Jessica Wainwright

    So I actually like this one. It works for our Houston lawn. After the freeze my lawn was a mess. I sprinkle this after the lawn guys come and mow. Seems to be getting it back to normal .

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  2. Tea Tosser

    This stuff does work. I have used it to keep out weeds from our rocked areas and it seems to work for months. I am now just trying it on some weedy areas in our grass/lawn. Waiting to see if it works there too.

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  3. AJ

    I use this every 6 months on top of my other fertilizers and lawn care products. This stuff really works!
    I haven’t seen a weed in my lawn in a really long time. 

    I made it my mission a few years ago to try and tackle my yard and be the envy of the neighborhood. This product has 1000% helped in terms of keeping my lawn weed free. I had so many different types of weeds in my yard and I had no idea how to treat them until I found this.

    This was able to treat all of the weeds I had within a single application. Poof, gone.

    I’ve seen plenty of products that claim to keep weeds at bay but never actually do. This product is easy to spread, covers really well, and does the job it was intended to do.

    Now if I could have the same success with other things I would be set for the rest of my life. Well, at least this is one less thing I need to worry about. 

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  4. krhostetler

    excellent weed and feed. Really takes care of existing and preemergent weeds and crabgrass. l have used it for several years. Effects last through several months as stated. l put on end of Feb or beginning of March in SC once there is no frost. Greens and helps growth. l have used it w several houses on lawns such as Augustine,zoysia and Bermuda

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  5. Ericazal

    Put down 2 bags of this stuff 3 weeks ago and no change to the weeds or the grass. Might as well have been sand. Waste of money.

    Update. Now 1.5 months later and the weeds look healthier than ever. Garbage product, do not buy.

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  6. MH

    Treating/killing Spurge infiltration in St. Augustine lawn. Applied yesterday evening. Weed sick to gone this AM. Keeping at it.

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  7. AJ

    This lawn weed killer seriously impressed me! We had dandelions and clover popping up all over the yard, and within a few days of using this, we saw them start to wither away. A week later — gone!

    What I love most is that it didn’t harm my grass at all — just the weeds. It was easy to apply with a spreader, and I appreciated the clear instructions (plus tips for reapplication timing). My lawn looks healthier and way less patchy now.

    If you’re tired of fighting weeds every weekend, this is your new secret weapon. Just follow the directions and watch your lawn glow up!

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  8. Wayne golfer

    Pour yours through hardware cloth to prevent this happening to your spreader. One clump was 2” size. Most were 1/2” to 3/4”.

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    BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns 10 LB Granules, 4,000 SQ FT
    BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns 10 LB Granules, 4,000 SQ FT
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