St. Augustine grass with its dark-green appearance and thick carpet spreading is a popular lawn grass in warmer regions. If you live in the tropical regions and southern part of the US, you probably already have this beautiful grass in the lawn and garden along with other flower and leafy plants.
Although it enjoys a high-endurance rating, you still have to prepare for the worst- weed attack. Hence, you have to own the best pre-emergent for St. Augustine to wipe out the weeds forever. These pre-emergent are specially made herbicides for sensitive plants such as the Saint Augustine grass to keep the lawn lush and green always.
The herbicides are applicable throughout the year to eliminate weeds. Also, it won’t require much agriculture skill either.
Table of Contents
- The 7 Best Pre-emergent for St. Augustine Grass
- Southern Ag Amine 2,4-d Weed Killer
- Tenacity Turf Herbicide – 8 ounces
- Quali-pro Prodiamine 65 Wdg Pre-emergent
- Prodiamine 65 Wdg 5lbs Pre-emergent Grass Broadleaf Weeds
- Scotts Disease Ex Lawn Fungicide
- Snapshot 2.5 TG Granular Pre-Emergent St. Augustine
- Bonide Complete Weed Beater Pre Emergence Application
- Final Words
The 7 Best Pre-emergent for St. Augustine Grass
According to the hardness rating of the U. S. Department of Agriculture, St. Augustine grass has a score from 8 to 10. It means the grass is quite protective against pest and weeds attack. Yet, at times, weeds prevail over the grass to make the lawn look worse.
Then, you have to quickly apply the herbicide to kill the St. Augustine weeds to get a lush and neat lawn shortly.
Southern Ag Amine 2,4-d Weed Killer
The weed killer guarantees to work on almost every weed but you have to be patient. Once you apply the weed killer accurately and wait with patience you will surely find a weed-free and green lawn with the thick St. Augustine grass surrounding the lawn.
The herbicide is economical in the sense that it only needs 1-4 pints of the herbicide to be used per acre. It means you can control the weeds over a large space of lawn, garden, or other places with one bottle of this product. It is thus a nice money saver investment.
You only have to mix 2-3 spoons of this product with 3-5 gallons of water. The mixture will easily cover 1000 square feet area.
Also, the weed killer works greatly to control broadleaf weeds. Also, it comes in handy to control several species of weed plants. Thus, you won’t have to be concerned about what type of weed is surpassing the thick and lush green St. Augustine.
On top of everything, the Southern Ag Amine herbicide is manufactured to work in different places. You can use it to control weeds on lawns, gardens, parkways, cornfields, golf courses, etc. And for the best result apply its mixture through a spray nozzle, preferably a fan tip.
- Highly effective pre-emergent
- Works on several weed species
- 2-3 spoons cover 1000 square feet
- Easy to apply and economical
Tenacity Turf Herbicide – 8 ounces
St Augustine is a type of turfgrass and is widely popular as lush and green lawn covers in tropical regions. And what’s best to protect turfgrass from the weed attacks than the Tenacity pre-emergent product?
Whenever you see weeds emerging through the lawn soil, you should apply this herbicide to the recommended level to wipe out the weeds before they actually prevail over the grass. The best part of this herbicide is that you can use it both as pre and post-emergent. It works fine to control the selective contracts and weeds effectively.
As you apply it to the weeds, they will absorb it during the tenacity. Thus, they won’t grow enough to cause a problem for the grasses. Plus, it can target a wide variety of pests species. It means you are getting two products at the cost of one. Firstly, you get a weed controller and secondly, a pest remover. Thus, you can be rest assured to get an attractive lawn, garden, or patio space shortly.
The active herbicide is known for working on a variety of weeds and pests offering you a lush lawn and high yielding in the crop fields.
- Works on 46 broadleaf, grasses, and weeds
- Serves as a pest controller in fields
- Kills weeds in their seedlings state
- Doesn’t need any skill for uses on grasses
Quali-pro Prodiamine 65 Wdg Pre-emergent
Crabgrass found their way out in the lawns, parks, crop fields, and other places during the summer and fall seasons mostly. Thus, getting an active herbicide that works in both seasons will be a clever decision for you. The Quali pre-emergent is the perfect solution for this cause.
Its application is made super-flexible. Hence, you can quickly apply the herbicide to control weeds on grasses and broadleaf in both the summer and fall seasons. Also, it works over a broad range of weeds which is certainly a great benefit. You can use it to control weeds including annual bluegrass, foxtail, spurge, henbit, chickweed, etc.
It has 65% prodiamine as the active ingredients. It is safe for St. Augustine and prevents the weeds from properly germinating. Therefore, the weeds won’t get a chance to prevail over the beautiful and green lawn.
The application of the herbicide is equally made simpler. You can mix it with fertilizer or plant iron solutions and spray it over the grass for the best results. Also, it works quickly to give your beloved lawn and garden the perfect appearance.
- Usable in fall and summertime
- Flexible use over many weeds
- Mixable with fertilizer for uses
- Prevents weeds from germinating
Prodiamine 65 Wdg 5lbs Pre-emergent Grass Broadleaf Weeds
Quali-Pro is a famous fertilizer and herbicide developer and known for its effective product lines in the industry. Their generic barricade is a top-of-the-line herbicide that promises to eradicate most of the turfgrass weeds even before they start sprouting. Thus, you will love how the St. Augustine grass turns your lawn into a heavenly place.
The herbicide is available in a generous bottle of 5 pounds. It is enough for a medium to the large garden for several years. Also, the product lasts for 5 to 7 years. Thus, it is a nice money-saver deal. Also, you can use it in all seasons to control weed growth.
It will easily terminate the crabgrass growth and allow St. Augustine to flourish freely. On top of it, the weed killer successfully handles spurge, chickweeds, annual bluegrass, and other broadleaves to keep the space weed-free.
The product is easy to apply with fertilizer and iron solutions. You can use the herbicide for lawns, parks, and other landscapes too.
- All seasons and easy usability
- Comes in a 5 pounds bottle
- Works on most common weeds
- Safe for St. Augustine and other grasses
Scotts Disease Ex Lawn Fungicide
Fungus on the grass can be detrimental. During the drought or long rainy season, fungus easily goes out of control. Thus, it soaks the energy from the turfgrass such as St. Augustine and leaves the lawn as a diseased and blighted space.
If you don’t want to experience such heartbreaking scenes, grab the fungicide from Scotts Diseases right now. The fungicide is useful to prevent at least 26 types of diseases in the lawn. Hence, it brings peace of mind for the homeowners knowing that their expensive grass settlement is safe and sound. Some of the common diseases that it controls include brown and pink patches, red thread, stem rust, blight, powdery mildew, etc.
The product comes in a generous pack of 10 lbs. It covers up to 5000 square feet area with ease. The effect of the fungicide is also lasting. One use of the disease preventer will last for at least 4 weeks. So, you won’t need to buy the pack frequently either.
The application is equally made easy. You just have to count the amount of this fungicide you need and follow the label to adjust it inside the sprayer. For best results, set the sprayer at the fan setting.
- Controls fungus growth in less than 24 hours
- Prevents 26 types of diseases
- Lasts for 4 weeks at least after use
- Covers 5000 square feet of space
Snapshot 2.5 TG Granular Pre-Emergent St. Augustine
When you don’t want to apply the herbicide frequently, you should get the Snapshot 2.5TG herbicide. It will relieve you from going through the tiresome job of applying pre-emergent monthly. In fact, it claims to have the longest-lasting effect on the lawns among all the present herbicides in the market.
When you apply the pre-emergent, you rest assured to enjoy a weed-free lawn with lash St. Augustine. It will have a lasting impact for at least 6 to 8 months. Also, it works on a variety of broadleaf and weeds which is also a nice bonus to have. Indeed, it works on around 100 species of weed and broadleaves.
The herbicide is also economical. It needs only 2.3-4.6 pounds of herbicide for every 1000 square feet of coverage. The using amount is determined by the weed’s thickness. Since it comes in a pack of 10-pound, it easily covers a large lawn, park, or cemetery for an attractive look.
You should apply the herbicide before irrigation or rainfall for the best results. As it goes deep into the soil, there’s no possibility of the material being washed off with the water.
- Lasts for 6 to 8 months
- Won’t wash away with water
- Economical herbicide for use
- Usable in various spaces
Bonide Complete Weed Beater Pre Emergence Application
Most homeowners find it hard to manage their landscape mainly because of the weed attacking the turf grasses in the lawn. You can now get rid of this annoying problem with the Bonide Compete weed killer forever.
The herbicide is highly economical as a pack of 10 lbs. can remove weeds and broadleaves from 5200 square feet of space. Also, it provides you with 2-in-1 benefits. It is effectively applicable both as pre and post-emergent to prevent the weeds.
The pre-emergent is, however, different from the other herbicides in its application. While other formula needs water to be mixed with for use, it comes with the granular application. It means the granular has dry application. Also, it is usable on both cool and warm grasses with the same effect and lasting result. So, it won’t disappoint you anyway.
- Works both as pre and post-emergent
- Effective both on the warm and cool grass
- One pack covers 5200 square feet of space
- Quick results with easy application
St Augustine is regarded highly as a luxury grass for lawns and other spaces. While the grass is tough and needs less maintenance, at times weeds, broadleaves and fungicides like to test their strength over it. You can quickly stop their tooth-bites with these best pre-emergent for St. Augustine. These herbicides are effective on a broad range of weeds for great results.
Also, some of the weed killers work fine as post-emergent too. Hence, you will truly appreciate how these products will make your landscaping job easier to offer you a green and attractive lawn.