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How Often Can I Apply Sulfur To My Lawn?

Posted on February 28, 2023

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How Often Can I Apply Sulfur To My Lawn?

As a typical lawn owner, you want to keep your grass looking green and healthy all year round. One way to achieve this is by using sulfur, a naturally occurring element that can promote plant growth and healthy lawns. 

If you’re wondering how often you should apply sulfur to your lawn, you’re not alone. In fact, many homeowners who are concerned about their lawns continue to have these questions. This is why we have put together a practical guide to cover questions such as why sulfur is necessary and how often you should use it to grow healthy grass in your backyard. 

So, if you’re curious about using sulfur on your lawn, keep reading to improve your lawn care routine. 

Sulfur And A Green Lawn: What Is The Relation?

Do you know that sulfur can play a crucial role in the well-being of your lawn? Sulfur is a chemical element with a pale-yellow appearance and a reactive nature. It’s often considered a vital secondary nutrient necessary for lawn grass to grow, along with calcium and magnesium.  


Understanding The pH Value Of Your Soil

A basic understanding of pH values is essential before moving ahead with the sulfur application. The pH value is a measure of the acidity or alkalinity of a substance, such as soil, water, or a solution. It is measured on a scale of 0-14, with 7 being considered neutral. A soil pH value below 7 is considered acidic, while a high pH range above 7 is considered alkaline or basic. 

To keep a lawn green and healthy, your soil should have a pH range between 6 and 7. Therefore, for an established lawn, the quality of the soil should have a neutral or slightly acidic pH value. 

Benefits Of Using Elemental Sulfur For Lawns

In lawns, sulfur or sulfuric acid can be particularly useful in areas with alkaline soil with a pH range of 7 or higher. Alkaline soil can make it difficult for plants to take up nutrients, leading to yellow grass or stunted growth. Sulfur can help lower the soil’s pH level, making it more acidic and easier for plants to absorb the necessary nutrients. Sulfur is also commonly used in areas with high rainfall, as heavy rain can leach nutrients from the soil, making it more acidic.

Overall, using sulfur can be an effective way to promote the growth and health of your lawn. However, using it properly and in moderation is essential to avoid over-applying and potentially damaging your lawn.

Green lawn
Green Lawn

Unsure How Often You Need To Apply Sulfur To A Lawn? 

If you need to ensure a clean, green, and healthy lawn, sulfur is necessary, but there is more to it. The application of sulfur needs to be calculated. Let us explain how often you should use sulfur for your lawn. 

The frequency with which you should apply sulfur to your lawn depends on several factors, including the current pH level of your soil, the type of grass you have, and the climate in your area. Generally, it’s best to apply sulfur to your lawn no more than once or twice per year and to spread it evenly over the entire lawn.

How Much Sulfur Is Suitable For Your Lawn?

The amount of sulfur you should apply to your lawn will depend on the pH level of your soil and the type of grass you have. As a general guideline, you should apply 4 to 5 pounds of sulfur per 1,000 square feet of lawn for every area you need to lower the pH level. For example, if your soil has a pH of 8 and you want to lower it to 7, you will need to add about 5 pounds of elemental sulfur per 1,000 square feet of lawn.

Here is how to use sulfur for your lawn: 

Test Your Soil pH 

Use a soil pH test kit to determine the pH level of your soil. This will help you determine whether your soil needs sulfur, and how much to apply.

Apply Sulfur Evenly

Use a spreader or sprayer to apply sulfur evenly over your lawn. Apply it in a thin even layer to avoid chemically burning your grass.

Water Your Lawn 

Water your lawn thoroughly after applying sulfur to help it dissolve and mix with the soil. Wait for half an hour after applying the sulfur before you water the lawn.  

Also read: How Often Should You Water Your Lawn?

Things To Keep In Mind When Applying Sulfur

Before you apply, keep these things in mind to ensure the overall health of your backyard: 

  • Hire a professional to conduct a soil test to know the soil pH value.
  • Before you apply elemental sulfur, ensure that you wear gloves for safety.
  • Do not apply too much sulfur, as it can chemically burn your grass and cause other issues.
  • Apply sulfur twice a year, preferably in the spring and fall season, for best results. 
  • Do not mix sulfur with other oils, as it can trigger a reaction.
  • Use the nutrients in small patches throughout the lawn area.

Why Is Timing Important When You Apply Sulfur? 

It’s important to note that you should only apply around 4 to 5 pounds of sulfur per 1,000 square feet of lawn in a single application. Over-applying sulfur can lead to soil toxicity, damaging your lawn and preventing plants from absorbing nutrients.

If sulfur is applied too heavily or without proper watering, it can create a concentrated layer of acid that may chemically burn the grass and cause it to turn yellow or brown.

Premium Lawn Maintenance Services In Tennessee

Yes, sulfur application combined with other primary nutrients (nitrogen, phosphorus, potassium) can help make your lawn greener and healthier. But understand that incorporating sulfur into your lawn maintenance routine is not the only thing you need to do to keep your garden in shape, your lawn requires constant effort and dedication.

That is why you should get in touch with a professional lawn care service provider such as the team of Jamison Pest and Lawn. With over 77 years of experience in pest control and lawn care, our team has an excellent reputation throughout Tennessee. We offer various services, such as lawn aeration and pre-emergent weed control, to ensure you get an aesthetically pleasing lawn. 

Contact us today at (901) 452-1505 to book an appointment. We look forward to answering your questions and making your backyard look great again. 

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