If you have st Augustine grass in your yard and it is not growing, don’t fret. There are some simple steps that can be taken to get st Augustine grass back for good.

In this blog post, we will discuss how to revive st Augustine grass with a few easy tips!

Reasons St. Augustine Grass is Dead

Their environment has been compromised due to poor drainage, overwatering, or drought from time to time.

Soil Quality:

It might be because the soil conditions are not conducive to its growth. When you have sandy soils, it can be too dry and when you have clay soil it can hold onto the water but lack earthworms to aerate this type of soil properly. You need to improve the quality of your soils before bringing life back into these dead patches by planting new st Augustine seeds.

Pest infestation

Pest infestation:

One of the most common reasons for St Augustine grass to not grow back is due to pest infestation. When you have pests such as grubs, mole crickets, or billbugs in your lawn it can really inhibit its growth. This will cause damage directly to the soil and prevent new seeds from growing through it, which means that you won’t get any regrowth at all.

Getting rid of these insects should be your first port-of-call when seeking a solution for how to get st Augustine grass to grow back again.

Frost damage

Over the winter months, St Augustine grass is susceptible to frost damage. Just like most other plants and flowers in your yard, it can’t handle cold temperatures for extended periods of time which will kill off these patches entirely so you won’t be able to get regrowth at all here. If you have problems with frosts regularly during this time, then choose a different type of grass that doesn’t die back over Winter.


St Augustine grass is a warm-season species of turf so it goes dormant during the winter months. This means that there won’t be any growth, but this isn’t always an issue unless you have problems with frost damage or pest infestation which are two things that can cause significant issues for how to get st Augustine grass to grow back again after dormancy. Dormant patches will eventually recover when Spring arrives and they can resume growing normally once more if all other factors aren’t impacting their ability to do so!

Drought stress:

St Augustine grass is a resilient type of turf and can handle periods without water, but this has to be done in moderation. If the soil becomes too dry for an extended period it will cause irreversible damage which means that you won’t get any regrowth even if it rains again. For how to get st Augustine grass to grow back after drought stress, make sure that your irrigation schedule isn’t overwatering the soil (which also causes issues) and keep on top of any rainfall during hot days when there’s no rain at all otherwise you’ll end up with dead patches everywhere!

Fertilizer burn:

If you use too much fertilizer on St Augustine grass then it can cause burn damage. You need to stick to the recommended rates or lower as anything more than this will start causing issues for how to get st Augustine grass to grow back again after fertilizers have been used by mistake!

St Augustine Grass Diseases:

Turf Diseases that can affect St Augustine include brown patches, gray leaf spots, and dollar spots. These infections create spots on blades or may cause them to turn yellowish-brown then gradually die off over time

Brown Patch diseases

Brown spots can be found all year but are more prevalent during warm weather. The best defense against Brown Patch diseases is to irrigate regularly so grass blades are not stressed, especially when it’s hot and sunny outside.

St Augustine Grass Diseases

Powdery Mildew

Powdery Mildew only occurs in hot humid climates from July through September if overhead watering or rainfall is excessive.

Gray Leaf Spot

Gray Leaf Spot happens in the transition seasons between early spring and summer with moderate temperatures of 60 degrees Fahrenheit or higher for long periods of time. It does not need free moisture for spores to germinate.

How to Revive Dead st Augustine Lawn:

St Augustine grass Mowing:

Maintain a height between two and four inches on your St Augustine blades, but do not cut it shorter than three inches as this can slow growth down. To promote healthier plants, mow more frequently when they are young, which means every few days during periods of rapid growth.

When you’re mowing your St Augustines make sure to remove no more than one-third at any time because too much cutting causes stress for the plant.

St Augustine grass Mowing:


Apply a fertilizer designed for warm-season grasses with a ratio of two to three times more nitrogen than potassium and phosphorus.


Grass Seed:

A mixture of one part fescue seed, four parts Kentucky bluegrass, and five parts perennial ryegrass is good in stabilizing overseeded St Augustine lawns. Some homeowners prefer using zoysiagrass because it grows faster but when the weather turns cold the st Augustine will die out while zoysia can survive by going dormant during wintertime conditions.

Grass Seed


Apply pesticides to St Augustine grass in the early morning for better results because that’s when it is dryest outside, reducing potential damage from chemical residues left behind that can harm other plants around your yard. If you use an insecticide make sure to spray beneath blades of lawn where insects rest during the day so they don’t avoid being targeted by these chemicals.


Apply fungicides if fungal infections become visible on leaves. You should pick a product labeled as effective against rust diseases, brown patches, gray leaf spot fungi, etc. Fungal spores spread through wind, rain, and garden equipment.



When it comes to how to get st Augustine grass to grow back again after a drought. There are a few things that you need to do that will allow new growth and prevent further issues from occurring. First off water regularly during periods where rainfall is scarce so they don’t become stressed out too much since this causes more problems down the line for your turf.


Improving the quality of soil:

The next way to repair St. Augustine is to place suitable and high-quality soil on your lawn. Poorly made and low-quality soil will always ruin the appearance of your lawn and is merely a waste of money.

To have lush green St. Augustine grass in your lawn, you must have well-oxygenated soil. Oxygenated soil allows the essential nutrients to reach deep down to the roots and nourish the grass quite well.

Some checks must be performed to recognize the suitability of the soil for St. Augustine. The first one is to test the pH level of the soil by using a pH level tester. You should simply get it from Amazon. The favorable pH level for St. Augustine grass is just about 6-7%.

The second is to check the condition of the topsoil, if it’s full of dirt and debris, then lay new topsoil. New topping will absorb an adequate amount of water required by the roots of the grass to grow evenly.

Improving the quality of soil:

St Augustine Grass Ideal Growing Conditions:

Augustine lawn thrives in the following conditions:

  • The soil pH of St Augustine grass must be between a range of six to seven. The soil should also have moderate fertility with an ideal level of organic matter
  • Sunlight is the primary requirement for st Augustine growing grasses. They do not grow well in shady areas or under the shade of trees due to the lack of sunlight required by their growth process
  • Watering frequency will depend on where you live but generally once every five days during hot weather conditions are enough watering for them to survive. However, if it’s cooler outside they can go up to ten days without water
  • Temperature is required for st Augustine grass to grow. They are warm-season grasses that thrive in temperatures of 65 degrees Fahrenheit or higher. St Augustine lawns will go dormant if the temperature drops below 50 F.

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