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Best Time of Year To Fertilize Your Lawn

One of the most often forgotten parts of maintaining your lawn is fertilizing it. Even if you remember, there’s still a right and wrong time to do it. Depending on the type of grass you have, this will also change when you should do this task. This can make things confusing, which is why we’re here today. We want to go over the best times of the year to fertilize your grass.

Best Time for Cool-Season Grass

If your lawn contains perennial ryegrass, Kentucky bluegrass, or tall and fine fescues, you’ll need to follow the rules for cool-season grass fertilization. These types are most common in northern states. The ideal temperatures to fertilize them are anywhere from 60 to 70 degrees Fahrenheit. That means you can do it in the spring, fall, or both.

When fertilizing in the early spring, you should only use a light amount of fertilizer. However, in the fall, you can fertilize more heavily. This is because you want to ensure your grass has the strength needed to survive the winter.

Best Time for Warm-Season Grass

For those of you that live down south and have either Bermuda, St. Augustine, or centipede grass, you’ll need to adhere to the guidelines for warm-season grasses. For this type, early summer is typically the best time of year to fertilize your lawn. That’s because you need to make sure the temperature is between 80 and 95 degrees Fahrenheit.

Even with this information, fertilizing your grass just right is a tricky process. If you do too little, it won’t work properly. Too much, and you might kill your lawn. That’s why it’s best to hire a professional. If you require lawn maintenance in Baton Rouge, you’ll want to call Hernandez Lawnscape!

The Time You Should Never Do It

Whether you hire a professional or do it independently, you should never fertilize in the winter. Just because there’s no snow on the ground doesn’t mean your grass is still growing. Once the temperatures drop close to freezing, your grass will go dormant for the season. Fertilizing it at this point will be completely ineffective.

If you live far enough south, your grass won’t be dormant for the whole winter, but since you need to wait for hotter temperatures anyway, fertilizing this time of year isn’t a good idea. The bottom line here is that you never fertilize during the winter.


At Hernandez Lawnscape, your satisfaction is our highest priority. We want our clients to be 100% satisfied with every project and service that offer.

To ensure this level of satisfaction, we offer a 100% Satisfaction Guarantee. If you are ever not 100% Satisfied with our work, simply contact us and we will make it right Free of Charge. That’s how sure we are that you will love the work we do.



We work with clients large and small.
Whether you are a residential customer who needs a weekly lawn mowing, or a commercial client who needs regular maintenance. We have you covered!

Jamie W.

Jamie W.

"I approached Mr. Hernandez several years ago (2014?) whenever I saw the detailed work he was doing at my neighbor's house. After talking with him for just a minute, I felt confident that his business was right for me. Since that day, he has been maintaining my lawn and my grandmother's, and a couple of years ago he began maintaining my parents' property, as well. ... I could not be more pleased with Hernandez Lawnscape. Excellent service all around...5 stars!"

Sonya Aydell

Sonya Aydell

“They have provided lawn care for us for about three years. We couldn’t ask for better workers. They always go a step beyond what I expect and consistently provide excellent service. Mr. Hernandez is honest and trustworthy and provides strong leadership for his company. I highly recommend his company.”

Raul Zarazua

Raul Zarazua

"I have been using them for over 5 years. They are honest, responsible and good people to work with. Mr. Hernandez is always fair and follows through with his projects."

Mary Lynn

Mary Lynn

"Gerrardo Has been 100% reliable and does a great job on my lawn!"

Charlene Diaz

Charlene Diaz

"I have been using Hernandez Landscaping for a few years now and he always does a great job!! Highly recommend!!"

Josue Lopez

Josue Lopez

"Mr. Hernandez has done an incredible job. He has served my family and I landscaping needs for a long time now. If you are looking to keep a well manicured lawn, this is the company for you. I absolutely recommend them. Thank you Mr. Hernandez for all you do."

Christy Reeves

Christy Reeves

"We used Hernandez Lawnscape to clean up our lawn after the winter months and provide regular maintenance for our yard. They were outstanding. Very responsive and thorough. But the value was also outstanding. A fair price for the work. I like that they take a lot of pride in their work and want to be sure the customer is happy. I am very pleased and will continue to use them for as long as they maintain this high quality workmanship."


Glen Kirby

"Crew showed up when they were supposed to. They have a lot of knowledge about plants and did a great job trimming and cleaning up our flower beds. They also trimmed out trees and cleaned up the mess quite well. I am very happy with their work and the conversations we have had. They had quoted me an extremely fair price for the work they were to do and they did a wonderful job. I highly recommend this company for all your landscaping needs!"

Our Service Area

Hernandez Lawnscape services Denham Springs, Baton Rouge, and the Surrounding Areas. Unsure if we service your area? Give us a call and speak with one of our expert staff. They will be glad to check your address, and if you are in our area, schedule service for any of your lawn care needs!

Hernandez Lawnscape Service Area Map

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