20 Best Broadleaf Herbicide For St Augustine Grass [2024]

Are you looking for the best Broadleaf Herbicide For St Augustine Grass? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Broadleaf Herbicide For St Augustine Grass.

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# Preview Product
1 Southern Ag 006130 Atrazine St. Augustine Weed Killer 32oz Specialty Herbicide, Light Tan Southern Ag 006130 Atrazine St. Augustine Weed Killer 32oz Specialty Herbicide, Light Tan
2 Southern Ag Atrazine St. Augustine Grass Weed Killer, 1 Gallon Southern Ag Atrazine St. Augustine Grass Weed Killer, 1 Gallon
3 Ortho Weed B Gon Weed Killer for St. Augustinegrass Ready-To-Spray, 32 oz Ortho Weed B Gon Weed Killer for St. Augustinegrass Ready-To-Spray, 32 oz
4 BIOADVANCED 704140 All-in-One Lawn Weed And Crabgrass Killer Garden Herbicide, 40-Ounce, Concentrate BIOADVANCED 704140 All-in-One Lawn Weed And Crabgrass Killer Garden Herbicide, 40-Ounce, Concentrate
5 Ortho WeedClear Lawn Weed Killer Ready to Use1 with Comfort Wand: For Southern Lawns 1 gal. Ortho WeedClear Lawn Weed Killer Ready to Use1 with Comfort Wand: For Southern Lawns 1 gal.
6 Blindside Herbicide WDG FMC Selective Herbicides 8 OZ bottle Blindside Herbicide WDG FMC Selective Herbicides 8 OZ bottle
7 Ortho Nutsedge Killer for Lawns Ready-To-Spray, 32 fl. oz. Ortho Nutsedge Killer for Lawns Ready-To-Spray, 32 fl. oz.
8 Scotts WeedEx Prevent with Halts - Crabgrass Preventer, Pre-Emergent Weed Control for Lawns,... Scotts WeedEx Prevent with Halts - Crabgrass Preventer, Pre-Emergent Weed Control for Lawns,...
9 Southern Ag Amine 2,4-D WEED KILLER, 32oz - Quart Southern Ag Amine 2,4-D WEED KILLER, 32oz - Quart
10 BioAdvanced 704840B 3 in 1 Weed and Feed for Southern 5M Lawn Fertilizer with Herbicide, 12.5... BioAdvanced 704840B 3 in 1 Weed and Feed for Southern 5M Lawn Fertilizer with Herbicide, 12.5...
11 Hi-Yield Atrazine Weed Killer 32 fl. oz Hi-Yield Atrazine Weed Killer 32 fl. oz
12 Hi-Yield Atrazine Weed Killer Hi-Yield Atrazine Weed Killer
13 Southern Ag 13502 Lawn Weed Killer with TRIMEC Herbicide, 16oz, Brown Southern Ag 13502 Lawn Weed Killer with TRIMEC Herbicide, 16oz, Brown
14 Scotts DiseaseEx Lawn Fungicide - Fungus Control, Fast Acting, Treats up to 5,000 sq. ft., 10 lb. Scotts DiseaseEx Lawn Fungicide - Fungus Control, Fast Acting, Treats up to 5,000 sq. ft., 10 lb.
15 The Andersons Barricade Professional-Grade Granular Pre-Emergent Weed Control - Covers up to 5,800... The Andersons Barricade Professional-Grade Granular Pre-Emergent Weed Control - Covers up to...
16 Scotts Liquid Turf Builder with Plus 2 Weed Control Fertilizer, 32 fl. oz. - Weed and Feed - Kills... Scotts Liquid Turf Builder with Plus 2 Weed Control Fertilizer, 32 fl. oz. - Weed and Feed -...
17 Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed Spray... Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed Spray...
18 Southern Ag 13503 Lawn Weed Killer with TRIMEC 32oz Herbicide, Brown Southern Ag 13503 Lawn Weed Killer with TRIMEC 32oz Herbicide, Brown
19 Cannot Ship to CA/AZ SodPods St Augustine Palmetto Grass Plugs (32-Count) Natural, Affordable Lawn... Cannot Ship to CA/AZ SodPods St Augustine Palmetto Grass Plugs (32-Count) Natural, Affordable...
20 Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns, 32 Oz. Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns, 32 Oz.
Bestseller No. 1
Southern Ag 006130 Atrazine St. Augustine Weed Killer 32oz Specialty Herbicide, Light Tan
  • One quart treats 3,720 sq ft
  • Controls Weeds in St. Augustine and Centipede Grasses
  • Package Weight: 1.021 kilograms
  • Package Dimensions: 5.842 L x 19.177 H x 12.954 W (centimeters)
SaleBestseller No. 2
Southern Ag Atrazine St. Augustine Grass Weed Killer, 1 Gallon
  • Kills many broadleaf weeds
  • Also used in centipede grass
  • Provides suppression of crabgrass
  • Controls emerged weeds and weeds from seed
Bestseller No. 3
Ortho Weed B Gon Weed Killer for St. Augustinegrass Ready-To-Spray, 32 oz
  • For use on St. Augustinegrass including Floratam
  • Kills 250+ listed weeds (See label for listed weeds.)
  • Won’t harm the lawn – Guaranteed (When used as directed.)
  • Rain-proof in 1 hour
  • Treats up to 2,500 sq. ft.
Bestseller No. 4
BIOADVANCED 704140 All-in-One Lawn Weed And Crabgrass Killer Garden Herbicide, 40-Ounce, Concentrate
  • All-in-one formula: BioAdvanced's all-in-one formula kills listed lawn weeds and crabgrass without harming the lawn
  • Weed killer: kills over 200 listed broadleaf weeds like dandelion and clover PLUS crabgrass
  • Root killer: kills even the toughest weeds to the root
  • Rainproof protection: systemic rainproof in 1 hour
  • Allows for hose-end sprayer application
SaleBestseller No. 5
Ortho WeedClear Lawn Weed Killer Ready to Use1 with Comfort Wand: For Southern Lawns 1 gal.
  • Kill weeds without harming your lawn (when used as directed) with Ortho WeedClear Lawn Weed Killer Ready-To-Use1; kills all major broadleaf weeds (see...
  • RESULTS IN HOURS: This lawn weed killer is rainproof in 1 hour and delivers visible results in hours, after just one application
  • OVER 250 TYPES OF WEEDS: Kills weeds down to the roots and won't harm the lawn when used as directed, contains herbicides to destroy over 250 types of...
  • FOR MULTIPLE LAWN VARIETIES: Use on grasses including Kentucky bluegrass, perennial ryegrass, fescues, common bermudagrass, hybrid bermudagrass,...
  • SPOT TREAT WEEDS: Just attach the battery-powered Ortho Comfort Wand to easily reach and spot-treat weeds with a continuous stream — no bending or...
Bestseller No. 6
Blindside Herbicide WDG FMC Selective Herbicides 8 OZ bottle
  • Sulfentrazone - 60% Metsulfuron-methyl - 6%
  • Convenient tip and measure package with a dosing chamber that accurately dispenses enough product
  • For use in Turf Including Residential, Commercial and Institutional Lawns, Athletic Fields, Commercial Sod Farms, Golf Courses (Fairways and Roughs),...
  • Over 70 broadleaf weeds and sedges: Barnyardgrass, Black medic, Chickweed, Clover, Crabgrass (large
Bestseller No. 7
Ortho Nutsedge Killer for Lawns Ready-To-Spray, 32 fl. oz.
  • Kills yellow and purple Nutsedge, Kyllinga and over 50 other tough weeds
  • For Northern and Southern turf grasses
  • Kills Weeds, Not Lawns
  • Rainproof in 2 hours
  • Ready to use—no mixing
Bestseller No. 8
Scotts WeedEx Prevent with Halts - Crabgrass Preventer, Pre-Emergent Weed Control for Lawns,...
  • Scotts WeedEX Prevent with Halts prevents crabgrass all season long
  • Stops crabgrass before it starts
  • Apply in early spring for season-long prevention of crabgrass, Fall application prevents winter weeds such as poa annua, henbit and chickweed
  • Effective pre-emergent control of crabgrass, foxtail, spurge, oxalis, and other grassy and broadleaf weeds
  • Use on all lawn and grass types (except dichondra or bentgrass)
Bestseller No. 9
Southern Ag Amine 2,4-D WEED KILLER, 32oz - Quart
  • Selective Broadleaf Weed Control
  • For use in pastures & rangeland, lawns, golf courses, cemeteries, parks,& similar ornamental turf.
Bestseller No. 10
BioAdvanced 704840B 3 in 1 Weed and Feed for Southern 5M Lawn Fertilizer with Herbicide, 12.5...
  • Southern lawns: specially formulated for southern lawns
  • 6-Month protection: prevents broad lead, grassy weeds, and crabgrass for up to 6 months
  • Weed killer: kills weeds including dandelion, dollar weed, and clover
  • Lawn fertilizer: feeds, greens, and strengthens your lawn
  • 50% Slow release formula
SaleBestseller No. 11
Hi-Yield Atrazine Weed Killer 32 fl. oz
  • Concentrate atrazine weed Killer
  • Easy to use
  • This product is Manufactured in China
SaleBestseller No. 12
Hi-Yield Atrazine Weed Killer
  • Atrazine - 4.00%
  • Weeds Controlled or Suppressed: Annual Bluegrass (Poa annua), Chickweed (Commonand Mouseear),
  • For use in St. Augustine and Centipede grass
  • Henbit, Moneywort, Pennywort (Dollarweed), Chickweed (Common and Mouseear), Spurge, Annual
Bestseller No. 13
Southern Ag 13502 Lawn Weed Killer with TRIMEC Herbicide, 16oz, Brown
  • For use on 9 turf types
  • Controls a wide range of lawn weeds
  • A patented combination of 3 proven weed killers
  • Directions for use in conventional & hose end sprayers
  • Recommend to use - Surfactant for Herbicide - for increased performance
SaleBestseller No. 14
Scotts DiseaseEx Lawn Fungicide - Fungus Control, Fast Acting, Treats up to 5,000 sq. ft., 10 lb.
  • Don't let brown spots or mildew block your path to a beautiful yard; Scotts DiseaseEx Lawn Fungicide is a fast-acting formula that stops and prevents...
  • PREVENTS AND CONTROLS: This lawn fungus treatment is preventative when used on lawns to control brown spots and rings before they appear, and curative...
  • CURES 26 LAWN DISEASE TYPES: Offers broad spectrum disease prevention and control against Brown Patch, Stem and Stripe Rust, Red Thread, Powdery...
  • FAST ACTING: Starts working in 24 hours of treatment; the systemic fungicide formula controls common broad spectrum diseases for up to 4 weeks
  • USE WITH CONFIDENCE: Apply this lawn fungus control with a Scotts spreader at a uniform coverage; a 10 lb. bag can treat up to 5,000 sq. ft.; people...
Bestseller No. 15
The Andersons Barricade Professional-Grade Granular Pre-Emergent Weed Control - Covers up to 5,800...
  • Apply this product only in EARLY SPRING and FALL
  • Barricade professional-grade pre-emergent weed control is designed to prevent weeds, and will not aid in eliminating existing weeds.
  • Contains 0.48% of the active ingredient prodiamine - Labeled to prevent over 30 grass and broadleaf weeds
  • Trusted by top turf care professionals to prevent problem weeds without harming desirable plants
  • DG Pro formulation allows for more particles per square inch of chemical - leads to better control of weeds
Bestseller No. 16
Scotts Liquid Turf Builder with Plus 2 Weed Control Fertilizer, 32 fl. oz. - Weed and Feed - Kills...
  • Fertilizes in 24 hours while controlling for weeds
  • Kills dandelions, clover and other major lawn weeds
  • Other weeds include buckhorn, chickweed, ground ivy, henbit, knotweed, lambsquarters, oxalis, pigweed, plantain, poison ivy, ragweed, and spurge
  • Easy to use, simply attach hose and spray
  • Spray when weeds are actively growing
SaleBestseller No. 17
Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed Spray...
  • Mixes only with water based solutions, will not work with oil based
  • Easily marks grass and lawns
  • Mix with herbicides, fungicides, pesticides, & fertilizers
  • Indicates where spray mixtures have been applied
  • Non-permanent and nonstaining
Bestseller No. 18
Southern Ag 13503 Lawn Weed Killer with TRIMEC 32oz Herbicide, Brown
  • For use on 9 turf types
  • Controls a wide range of lawn weeds
  • A patented combination of 3 proven weed killers
  • Directions for use in conventional & hose end sprayers
  • Recommend to use - Surfactant for Herbicide - for increased performance
Bestseller No. 19
Cannot Ship to CA/AZ SodPods St Augustine Palmetto Grass Plugs (32-Count) Natural, Affordable Lawn...
  • Natural and shipped fresh from the farm, each pod has been carefully nurtured to have a fully developed root system, just like your lawn. Please note...
  • St. Augustine is a broad bladed, medium green colored grass.
  • St. Augustine Palmetto is heat and shade tolerant.
  • Minimum 4-hour-6-hours of sunlight per day for best results.
  • Established roots mean less water and maximum success.
Bestseller No. 20
Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns, 32 Oz.
  • Kills Creeping Charlie (Ground Ivy) and Wild Violet
  • Kills weeds to the roots
  • Won’t harm the lawn – (when used as directed)
  • Rainproof in 6 hours
  • Treats 6,400 sq. ft.

Having trouble finding a great Broadleaf Herbicide For St Augustine Grass?

This problem is well understood by us because we have gone through the entire Broadleaf Herbicide For St Augustine Grass research process ourselves, which is why we have put together a comprehensive list of the best Broadleaf Herbicide For St Augustine Grasss available in the market today.

After hours of searching and using all the models on the market, we have found the best Broadleaf Herbicide For St Augustine Grass for 2023. See our ranking below!

How Do You Buy The Best Broadleaf Herbicide For St Augustine Grass?

Do you get stressed out thinking about shopping for a great Broadleaf Herbicide For St Augustine Grass? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Broadleaf Herbicide For St Augustine Grass, which is why we have assembled a comprehensive list of the greatest Broadleaf Herbicide For St Augustine Grass available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Broadleaf Herbicide For St Augustine Grass that you consider buying. Your questions might include the following:

  • Is it worth buying an Broadleaf Herbicide For St Augustine Grass?
  • What benefits are there with buying an Broadleaf Herbicide For St Augustine Grass?
  • What factors deserve consideration when shopping for an effective Broadleaf Herbicide For St Augustine Grass?
  • Why is it crucial to invest in any Broadleaf Herbicide For St Augustine Grass, much less the best one?
  • Which Broadleaf Herbicide For St Augustine Grass are good in the current market?
  • Where can you find information like this about Broadleaf Herbicide For St Augustine Grass?

We’re convinced that you likely have far more questions than just these regarding Broadleaf Herbicide For St Augustine Grass, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Broadleaf Herbicide For St Augustine Grass, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Broadleaf Herbicide For St Augustine Grass. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Broadleaf Herbicide For St Augustine Grass buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Broadleaf Herbicide For St Augustine Grass currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Broadleaf Herbicide For St Augustine Grass has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Broadleaf Herbicide For St Augustine Grass?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Broadleaf Herbicide For St Augustine Grass.
  5. Customer Ratings: Number ratings grade Broadleaf Herbicide For St Augustine Grass objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Broadleaf Herbicide For St Augustine Grass.
  7. Product Quality: You don’t always get what you pay for with an Broadleaf Herbicide For St Augustine Grass, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Broadleaf Herbicide For St Augustine Grass is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Broadleaf Herbicide For St Augustine Grass information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Broadleaf Herbicide For St Augustine Grass is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best herbicide for St Augustine lawns?

A: Ferti-Lome Weed Out is a granular post-emergent herbicide for St Augustine lawns. It features a potent combination of three different herbicides that kill weeds. The product is a weed-and-feed and contains a 25-0-4 fertilizer, making it perfect for growing season applications.

Q: How do you control weeds in St Augustine grass in winter?

A: Always begin your weed-control efforts in the winter months by applying a pre-emergent herbicide when St Augustine is dormant. This helps prevent weeds from taking root. Preventing the seeds of weeds from germinating prevents them from becoming a problem in the first place. Do not apply a weed-and-feed product to St Augustine grass in the winter.

Q: Is Isoxaben safe for St Augustine grass?

A: Isoxaben is the active ingredient in the product and is safe for application to St Augustine grass. Do not apply Ferti-Lome Broadleaf Weed Killer more than three times a year to St Augustine lawns. If you opt for a liquid pre-emergent herbicide, Princep Herbicide is a top-of-the-line, professional-grade herbicide.

Q: Will Hi-yield atrazine kill St Augustine weeds?

A: Voluntary Purchasing Group manufactured the product – Hi-Yield Atrazine weed killer – for destroying St. Augustine and similar weeds. It is based on a very effective component – 4% atrazine. One of the best properties of this product is high concentration – use ½ cup (1 oz) per gallon.