Natural & Chemical Weed Killers. If regular maintenance isn't doing the trick, you'll do well to purchase an herbicide specific to Bermuda growth such as ...When to Plant St. Augustine Grass. St. Augustine grass grows best in the warmth of spring and summer, when high temperatures are normally 80-100 °F. Plant St. Augustine grass plugs or sod in full sun, at least 90 days before your region's first estimated fall frost, to give the grass plenty of time to establish.Aug 17, 2020 ... Comments212 ; The Best Lawn Program For St. Augustine Grass!! /fertilizer/pest/fungus/weeds/timing. Better Call Chadd · 62K views ; Kill Crabgrass, ...Having a weed-free lawn is the goal of many homeowners. Unfortunately, weeds can be hard to get rid of, and it can take a lot of time and effort to keep them away. Fortunately, the...Best Weed and feed for St. Augustine Grass in Florida. Weed and feed products with 2,4-D, Dicamba, and/or Mecoprop are ideal for St. Augustine.All of these weed killers are safe for use on St. Augustine. A high-quality weed and feed for St. Augustine will combine 2 or more of these active ingredients.. Choose a product that …1 tbsp liquid dish soap. tb1234. To make this simple weed and root killer, mix the ingredients in a large bucket, then add to a spray bottle for more comfortable use. Spray directly onto the weeds, or in areas where you know weeds may pop up soon. Add vinegar and salt directly to old tree and shrub roots to kill them. Mow the Grass: Begin by mowing your St Augustine grass to the recommended height. This step will help expose the weeds and ensure better herbicide contact with the target plants. Remove Debris: Clear your lawn of any debris, such as stones, branches, or toys. This step will prevent obstacles that could impede even distribution of the atrazine. Dec 22, 2022 · Here are the 8 most common weeds in St Augustine grass. 4 common broadleaf weed varieties: Chickweed; Dollarweed; Henbit; Clover; 4 common grassy weed varieties: Annual Bluegrass; Crabgrass; Dallisgrass; Bermudagrass; A Closer Look At Common Weeds that Affect St Augustine Grass . When healthy, St Augustine grass is excellent for snuffing out weeds. Step 1. Obtain an herbicide from your garden or lawn supply store suitable for use with southern grasses. The herbicide should mention somewhere on the packaging that it is effective against clover specifically or broadleaf weeds in general. If you are trying to kill the clover before it grows, select a pre-emergence herbicide.Learn how to identify, remove, and control weeds in your St. Augustine lawn with manual and chemical methods. Find out which herbicides are safe for your grass …Re: Herbicide to Kill St. Augustine in Bermuda Lawn ... Begotten is right. There is only one that is safe for it. Anything else you use will hurt ...Every 10 weeks during the growing season: Fertilize with slow-release fertilizer at the rate of 1lb – 1.5lbs per 1,000sq’ (depending on your soil). 6 weeks before the first frost (September): Fertilize with a high-potassium, low-nitrogen fertilizer at the rate of .5lbs per 1,000sq’. Apply a pre-emergent weed killer.Check out these weed control tips for centipede and St Augustine grass lawns. These grass types are often more sensitive to herbicide damage than bermuda or...It contains atrazine, a well-known and highly effective herbicide for weed control in St. Augustine and Centipede grasses. IMAGE for St. Augustine Grass and Centipede Grass controls dollar-weed, sandspur, spurweed, florida betony, annual bluegrass (Poa annua) and many other problem weeds in St. Augustine grass and …Re: Herbicide to Kill St. Augustine in Bermuda Lawn ... Begotten is right. There is only one that is safe for it. Anything else you use will hurt ...Weeds can be a major nuisance in your lawn, and they can be difficult to get rid of. If you’re looking for a way to get rid of weeds in your yard, using a lawn weed killer is a gre...Aug 17, 2023 · From my experience, Tenacity can deliver great weed control in St. Augustine grass with minimal damage to the desired turf. The key is proper application timing, rate, and technique. When applied correctly, you may notice some temporary yellowing of the grass. However this is a normal systemic response as chlorophyll production is temporarily ... Scotts Turf Builder Bonus S Southern Weed & Feed2, Weed Killer and Lawn Fertilizer, 5,000 sq. ft., 17.24 lbs. Check Price on Amazon. If you’re looking for a weed killer and lawn fertilizer combo for your warm season grass, Scotts Turf Builder Bonus S Southern Weed & Feed2 is worth considering.When grass seed should be planted depends on the type of grass. Cool-season grasses such as tall fescue and Kentucky bluegrass should be planted in the fall. Warm-season grasses li...Check out these weed control tips for centipede and St Augustine grass lawns. These grass types are often more sensitive to herbicide damage than bermuda or...Description. Scotts® Turf Builder® Southern Triple Action is a 3-in-1 formula for Southern grass types that kills listed weeds, prevents and kills fire ants, and fertilizes your lawn. This product controls dandelion, dollarweed, clover, oxalis, plantain, chickweed, and henbit. It prevents and kills fire ants for up to 6 months, while also ...This weed and feed by Lesco is specially formulated for use on St. Augustine grass including the Floratam variety. It controls weeds using the herbicide penoxsulam. This systemic weed killer kills weeds …Having a weed-free lawn is the goal of many homeowners. Unfortunately, weeds can be hard to get rid of, and it can take a lot of time and effort to keep them away. Fortunately, the...Complementary Growth Habits. A major benefit is how zoysia and St. Augustine’s differing growth habits allow them to complement one another. The dense zoysia acts as an excellent filler grass, growing lushly to fill any thin or bare spots in St. Augustine. Meanwhile, the St. Augustine provides shade tolerance that can help zoysia …Dollarweed – Hydrocotyle. Dollarweed thrives in the same conditions as St Augustine grass, which is why you’ll likely find its glossy leaves spotted around your …Jun 20, 2023 · The last item I chose is from Spectracide. The broadest selection of weed species on my list, this potent herbicide and crabgrass preventer for St. Augustine grass uses three active chemicals to destroy over 200 distinct weed varieties. This should only be used on grass due to its aggressive weed-eliminating approach. 09:00 AM - 05:00 PM. Fri. 09:00 AM - 05:00 PM. Sat. Closed. Weed Man St. Augustine’s full range of lawn care services will keep your grass lush, green, and healthy. Golf course quality fertilizer and weed control.It contains atrazine, a well-known and highly effective herbicide for weed control in St. Augustine and Centipede grasses. IMAGE for St. Augustine Grass and Centipede Grass controls dollar-weed, sandspur, spurweed, florida betony, annual bluegrass (Poa annua) and many other problem weeds in St. Augustine grass and …White vinegar is an effective weed killer. The acetic acid in vinegar kills weeds, and although any vinegar will work, vinegar with a high acidity level is the most potent.Top Weed Killers for St Augustine Grass – Reviews. 1. Scotts 26008A Turf Builder Southern Triple Action. Scotts usually comes in on our top 5 lists because …CELSIUS WG Herbicide is a postemergent foliar-applied herbicide containing three active ingredients that provide a broad spectrum of weed control.This weed killer controls more than 120 annual and perennial …Selective herbicides are tailored to target specific types of weeds while minimizing harm to desirable grass species such as St. Augustine grass. For broadleaf weed control in St. Augustine lawns, herbicides containing active ingredients such as 2,4-D, dicamba, and mecoprop (MCPP) are commonly utilized.Say goodbye to crabgrass in your St. Augustine grass lawn by understanding its growth habits and using manual removal or selective herbicides for targeted control. Keep your St. Augustine grass lawn vibrant and weed-free by integrating proactive cultural practices, targeted herbicidal control, and manual removal for a holistic …Celsius WG Broadleaf and Grassy Weed Control for Warm Season Turf. $26.99. $21.99. Add to cart. Celsius® WG is an excellent broadleaf and grassy weed control for St Augustine, Bermuda, Zoysia, and Centipede grasses. It is an excellent choice in summer because it has no labeled heat restrictions. This newly available single-use pack takes all ...Some of the most reviewed products in Weed Killer are the Scotts Turf Builder 13.42 lb. 4,000 sq. ft. Triple Action South Lawn Fertilizer with 2,022 reviews, and the …Key Takeaways: Keep your St. Augustine grass healthy by watering deeply, overseeding sparse areas, and inspecting for weeds regularly to prevent weed infestations and maintain a lush, vibrant lawn. Combat weeds in St. Augustine grass using natural remedies like organic mulching, vinegar-based weed killers, and manual weed removal tools to ...Spray a vinegar solution. One of the easiest and most cost-effective ways to kill clover in St. Augustine grass is by spraying a vinegar solution directly onto the weeds. Vinegar is an acid that can burn the leaves of the clover and prevent them from growing any further. To make your own vinegar solution, simply mix white vinegar with salt in a ...Southern Ag Atrazine St. Augustine Grass Weed Killer. This weed killer from … 1. Ortho Weed B Gon Weed Killer for St. Augustine Lawns. Ortho Weed B Gon is a popular choice among homeowners for controlling weeds in St. Augustine grass lawns. It effectively targets common weeds like dandelions, clover, and dollarweed while being safe for St. Augustine grass. The selective herbicide comes in a convenient ready-to-use spray ... Step 1: Mix and Apply Celsius WG. Celsius WG is a post-emergent herbicide that comes in the form of water-dispersible granules and is great to use on St. Augustine grass, Bermudagrass and other labeled warm-season grasses to control perennial and broadleaf weeds. Before mixing Celsius WG into your sprayer, determine how much Celsius WG …LESCO St. Augustine Weed and Feed 17-0-7 with Penoxsulam is a two-in-one solution to control dollar weed, chickweed and other post-emergent weeds while also fertilizing your lawn. This ready-to-use bag covers up to 14,000 square feet of turfgrass in a slow-release formula. Can be applied to any wet or dry turf where weeds are actively growing.1 Gordon’s SpeedZone Lawn Weed Killer, 20 Ounces, 652400: If it is about having a powerful weed killer that will take care of your St Augustine grass, Gordon’s SpeedZone is the product for you. This lawn weed killer is designed to quickly and easily eliminate unwanted vegetation, including grasses, weeds, and shrubs.Apr 26, 2021 ... Augustine Grass. Mr Lush Lawn•129K views · 8:21 · Go to channel · How to Get Rid of Crabgrass & Clover in the Lawn - Weed Control Like a P...Weeds can be a nuisance in any garden or lawn, but many people don’t want to use harsh chemical weed killers to get rid of them. Fortunately, there are some natural alternatives th...Weeds can be a nuisance in any garden or lawn, but many people don’t want to use harsh chemical weed killers to get rid of them. Fortunately, there are some natural alternatives th...However, St. Augustine has some high maintenance requirements if you want to keep it looking green and healthy. The best course of action for preventing an invasion of weeds is to keep the grass properly maintained. Fortunately, a variety of post- and pre-emergence herbicides are available to control weed problems before and after …Weeds are pesky and can quickly take over your garden or lawn. If you’re looking for an effective and natural way to get rid of them, then a DIY natural weed killer is the perfect ...Broadleaf weed control—Broadleaf weeds in turf have traditionally been controlled with members of the phenoxy herbicide family (e.g., 2,4-D, MCPA, and mecoprop) ...Dollarweed – Hydrocotyle. Dollarweed thrives in the same conditions as St Augustine grass, which is why you’ll likely find its glossy leaves spotted around your …You cannot use any post emergence herbicide on Saint Augustine except Atrazine. All others will kill it that contain 2,4-D, MSMA, and Dicamba the most popular ...Feb 18, 2024 · Key Takeaways: Keep your St. Augustine grass healthy by watering deeply, overseeding sparse areas, and inspecting for weeds regularly to prevent weed infestations and maintain a lush, vibrant lawn. Combat weeds in St. Augustine grass using natural remedies like organic mulching, vinegar-based weed killers, and manual weed removal tools to ... Scotts Halts Crabgrass Preventer works well with St. Augustine grass if used properly. If you use too much or try a different product that's not safe with St. Augustine, the grass can burn and die. Applying the product with a seed spreader ensures even coverage so you won't get individual areas of grass burn. With most Scotts …Dec 28, 2021 · Apply pre-emergents from February to March to prevent summer weeds from germinating. Some weed-and-feed compounds contain 2,4-D, an herbicide that can kill St. Augustine grass. Because St. Augustine grass is sensitive to freezing temperatures, you should not use weed-and-feed compounds too late in the year. Additionally, regular fertilization ... Spraying weeds in my St Augustine Plug grow today.Here are the steps to perform in your grow right after planting your plugs. This is a part of my Salad Bar ...The best way to revive St. Augustine grass is to give your lawn 1/2 to 3/4 inches of water once or twice a week, provide your soil with the correct nutrients, and eliminate any pests or diseases that may be killing the grass. If you have an automated irrigation system, watering your lawn late at night or in the pre-dawn hours is best.Apply a Pre-Emergent Herbicide. As their name suggests, pre-emergent herbicides are applied before weeds emerge. They help prevent new weeds from growing in your lawn from seeds. In the case of poa annua, that means applying a pre-emergent herbicide like Dimension 2EW, Hi-Yield Weed and Grass Stopper, Barricade 4FL, or another pre …Apr 12, 2021 · Ferti-Lome Broadleaf weed control is the best granule pre-emergent herbicide for St Augustine grass. Ferti-Lome’s product will provide your lawn with protection from over 40 common weeds. We recommend you apply this herbicide before or after the growing season. Isoxaben is the active ingredient in the product and is safe for application to St ... CELSIUS WG Herbicide is a postemergent foliar-applied herbicide containing three active ingredients that provide a broad spectrum of weed control.This weed killer controls more than 120 annual and perennial …Also used in centipede grass. Provides suppression of crabgrass. Controls emerged weeds and weeds. from seed. CONTAINS: 4% Atrazine. USE ON: St. Augustine and centipede. lawn grasses. CONTROLS: Many common grassy and. broadleaf weeds. RATE: 4.33 ounces per 500 sq. ft. per. 1 gallon of spray. APPLICATION: Apply in 2 gallons of water. to cover ...The best way to revive St. Augustine grass is to give your lawn 1/2 to 3/4 inches of water once or twice a week, provide your soil with the correct nutrients, and eliminate any pests or diseases that may be killing the grass. If you have an automated irrigation system, watering your lawn late at night or in the pre-dawn hours is best.This weed and feed by Lesco is specially formulated for use on St. Augustine grass including the Floratam variety. It controls weeds using the herbicide penoxsulam. This systemic weed killer kills weeds …Apr 23, 2023 · Dollar weed (Hydrocotyle spp.), also known as pennywort, thrives in wet conditions. It is a dark green perennial warm-season weed that you can identify through its lily pad-like leaves, also known as silver-dollar-shaped leaves. In St. Augustine grass, the dollar weed indicates overwatering or excessive moisture in the turf grass. Ortho Weed B Gon Weed Killer for St. Augustinegrass Ready-To-Spray is guaranteed to kill weeds down to their roots. The easy grip control is perfect for broadcast applications so you can kill over 250+ weeds without damaging your lawn. (When used as directed.) Use Ortho’s #1 weed killer for St. Augustinegrass lawns, including Floratam. Roundup for Lawns is a great all-purpose weed killer that can be used to kill broadleaf weeds growing in St. Augustine grass. It comes with an extended wand that makes it very straightforward to spot-treat weeds. This product can be used to kill a wide variety of common weeds, including crabgrass, nutsedge, dandelion, and clover, without ...Natural & Chemical Weed Killers. If regular maintenance isn't doing the trick, you'll do well to purchase an herbicide specific to Bermuda growth such as ...However, Trimec is also not labeled for use on Floratam, a variety of St. Augustine grass. Most of the 2, 4-D weed killers are safe for use on Bermuda grass – a common Southern lawn grass. ... In general, mix 2.5 oz of 2, 4-D weed killer (5 tablespoonfuls) with 1 gallon of water and use it to treat 400 square feet of weed-infested area in ...09:00 AM - 05:00 PM. Fri. 09:00 AM - 05:00 PM. Sat. Closed. Weed Man St. Augustine’s full range of lawn care services will keep your grass lush, green, and healthy. Golf course quality fertilizer and weed control.Complementary Growth Habits. A major benefit is how zoysia and St. Augustine’s differing growth habits allow them to complement one another. The dense zoysia acts as an excellent filler grass, growing lushly to fill any thin or bare spots in St. Augustine. Meanwhile, the St. Augustine provides shade tolerance that can help zoysia …Weeds can be a nuisance in any garden or lawn. They take up valuable space, compete with desirable plants for nutrients, and can even spread disease. While there are many commercia...St. Augustine grass is a perennial grass that is commonly used for lawns and pastures. It grows well in coastal areas because of the moisture and mild winters, keeping its green color when the mercury dips. St. Augustine grass is prone to weeds like crabgrass and dandelions. Atrazine is an herbicide used to control weeds.Step 4. Build a barrier between your yard and the neighbor's yard if the St. Augustine grass is encroaching from an adjoining yard. Since St. Augustine spreads above the ground, build a concrete or plastic barrier about 4 to 5 inches high between the yards to ensure the grasses stay on their proper sides.Contains zinc and iron that green up your lawn. Ferti-Lome St. Augustine Weed and Feed are specially formulated to get rid of common St. Augustine lawn weeds like Paspalum and Crabgrass. It works well as both a pre-emergent and post-emergent herbicide. This herbicide-cum-fertilizer has a 15:0:4 NPK ratio.Top Weed Killers for St Augustine Grass – Reviews. 1. Scotts 26008A Turf Builder Southern Triple Action. Scotts usually comes in on our top 5 lists because …5 Things To Do in the Winter for St Augustine Lawns. Water Your Lawn. Feed Your Lawn. Mow Infrequently but as High as the Mower will Go. Weed Control. Be Patient. Master these five activities during the winter and you’ll be rewarded with a healthy lawn this spring and well into the summer months.CELSIUS WG Herbicide is a postemergent foliar-applied herbicide containing three active ingredients that provide a broad spectrum of weed control.This weed killer controls more than 120 annual and perennial … Also used in centipede grass. Provides suppression of crabgrass. Controls emerged weeds and weeds. from seed. CONTAINS: 4% Atrazine. USE ON: St. Augustine and centipede. lawn grasses. CONTROLS: Many common grassy and. broadleaf weeds. RATE: 4.33 ounces per 500 sq. ft. per. 1 gallon of spray. APPLICATION: Apply in 2 gallons of water. to cover ... You will want to use a post-emergent herbicide and the best one I know is called Celsius. You will mix this into a pump sprayer (1 teaspoon per gallon), along with a surfactant. 1 gallon of spray mix covers 1,000 sq ft of lawn space. You will probably just have to spot spray. Coat the leaves of the doveweed until they are shiny wet like you see ...1 – Using Selective Post-emergence Herbicide. Selective herbicides that you can use on St Augustine and other turfgrass contains Metsulfuron methyl. You only need a quarter ounce per acre. Dilute it in 12 gallons of water, and then you can spray your lawn.St Augustine is a beautiful grass but loves nitrogen. Be careful there as it is also prone to many fungi. Make sure you get your pre-em out early enough to take care of weeds. Also pre-em (Gallery) can be used again in June. If you irrigate then the Gallery will not last as long and you will have to manage the Gallery according to your irrigation.Augustinegrass, you can now add a non-selective herbicide tool to your toolkit. Specific non-selective herbicides can be applied directly to ProVista™ turf - ...Apply a Pre-Emergent Herbicide. As their name suggests, pre-emergent herbicides are applied before weeds emerge. They help prevent new weeds from growing in your lawn from seeds. In the case of poa annua, that means applying a pre-emergent herbicide like Dimension 2EW, Hi-Yield Weed and Grass Stopper, Barricade 4FL, or another pre …Vinegar makes an effective organic weed and grass killer, according to SFGate. Household vinegar mixed at 5 percent is good for weeds while pickling vinegar mixed at 20 percent is ...Apr 21, 2021 · Of course, this is not the mixing ratio that you will need to follow for all liquid 2, 4-D brands. For example, Hi-Yield, the first 2, 4-D weed killer product we’ve reviewed below, requires a mixing ratio of 3-4 fluid ounces (or 6-8 tablespoons) of product mixed with 1-3 gallons of water applied for every square foot. IMAGE Southern Lawn Weed Killer Concentrate for St. Augustine grass and Centipede grass contains multiple active ingredients to provide excellent broadleaf weed control in established warm-season and cool-season grasses. Weeds controlled include dandelion, chickweed, clover, dollar weed and spurge. Weed injury symptoms are normally noticed …
Doveweed also looks an awful lot like many of our common lawn turfgrasses, especially Centipede and St. Augustine Grass. It possesses thick, shiny, grass-like foliage and even grows in a spreading, low to the ground fashion. This mimicry causes many homeowners to not realize there is a problem until it’s too late.. Is it good to jerk off
Top Weed Killers for St Augustine Grass – Reviews. 1. Scotts 26008A Turf Builder Southern Triple Action. Scotts usually comes in on our top 5 lists because …Broad-spectrum control of more than 90 grassy broadleaf weeds, including difficult weeds like doveweed, spurge and chamberbitter. // Tough on Weeds, Gentle on St. Augustinegrass. Get season-long weed control with two applications of 3.5 ounces per acre while preserving the health of sensitive warm season turf types, including St. Augustinegrass.Water St. Augustine grass with 1-1.5 inches of water every week to revive it quickly. Apply nitrogen fertilizer and grub control, then mow the lawn high at 3 inches to make the grass green again. If the grass is dead, install new sod to revive and bring the lawn back to life.Find out the top six weed killers for St. Augustine grass, a popular lawn type in the southern US. Compare their pros and cons, effectiveness, and price to …Fertilizer Tips. Healthy St. Augustine lawns like regular fertilizer applications. A common fertilizer schedule sets the first feeding at the start of the growing season with a "Weed and Feed" fertilizer and then spaces the remaining doses with a temperature-appropriate lawn food to avoid over-fertilization.Sometimes the lawn requires a second …CELSIUS WG Herbicide is a postemergent foliar-applied herbicide containing three active ingredients that provide a broad spectrum of weed control.This weed killer controls more than 120 annual and perennial …Roundup for Lawns is a great all-purpose weed killer that can be used to kill broadleaf weeds growing in St. Augustine grass. It comes with an extended wand that makes it very straightforward to spot-treat weeds. This product can be used to kill a wide variety of common weeds, including crabgrass, nutsedge, dandelion, and clover, without ... Weed Control: A selective, annual grass and/or broadleaf weed control pre-emergent herbicide that is labeled for use on St. Augustinegrass and applied during late winter and spring will reduce many weeds the following summer. If a pre-emergent herbicide was not applied in the spring, the resulting weeds will need to be controlled using ... Pendimethalin. Benefin+oryzalin. Benefin+trifluralin. The best pre-emergent herbicide to apply depends on the weed species present, among other factors. Oryzalin addresses many annual grass and broadleaf weeds. Bensulide is ideal for controlling crabgrass, goosegrass, and bluegrass. Prodiamine controls a vast range of weeds and even stays in ...Weeds are a common problem in gardens and lawns. They can take over your garden and make it look untidy. Fortunately, there are some easy ways to make an effective weed killer at h...Apply in early spring, March and April, to obtain control of pre-emerged and post-emerged weeds in Centipede, Zoysia and St. Augustine lawns. Ferti-lome's Weed ...Scotts Turf Builder Bonus S Southern Weed & Feed2, Weed Killer and Lawn Fertilizer, 5,000 sq. ft., 17.24 lbs. Check Price on Amazon. If you’re looking for a weed killer and lawn fertilizer combo for your warm season grass, Scotts Turf Builder Bonus S Southern Weed & Feed2 is worth considering.Jun 20, 2023 · The last item I chose is from Spectracide. The broadest selection of weed species on my list, this potent herbicide and crabgrass preventer for St. Augustine grass uses three active chemicals to destroy over 200 distinct weed varieties. This should only be used on grass due to its aggressive weed-eliminating approach. Controlling weeds in Saint Augustine grass has always been a major concern for homeowners. While quite safe for many lawn types, the active ingredient in many lawn weed treatments was often Dicamba, which would damage the grass when it was used on a Saint Augustine lawn. These days we have many more choices which are readily available to …The Andersons Pro Weed Killer – the best pre-emergent product for St. Augustine weeds! A powerful turf granular weed killer of the pre-emergent method of …It is way too hot to be spraying herbicides on your St. Augustine. But now that the damage is done, your going to have to examine the stolons (runners) for ...Having a weed-free lawn is the goal of many homeowners. Unfortunately, weeds can be hard to get rid of, and it can take a lot of time and effort to keep them away. Fortunately, the...St. Augustine grass turns yellow due to a depletion in the amount of nitrogen the plant is able to absorb. As a nitrogen-rich grass, St. Augustine requires that soil be properly wa...Apr 26, 2021 ... Augustine Grass. Mr Lush Lawn•129K views · 8:21 · Go to channel · How to Get Rid of Crabgrass & Clover in the Lawn - Weed Control Like a P...Overall, we highly recommend the Hi-Yield Atrazine Weed Killer for those looking to control weeds in their St. Augustine and Centipedegrass lawns. 2. Southern Ag Atrazine St. Augustine Grass Weed ....