Does your lawn look a little sad and brown when the summer sun beats down? You work hard on your yard, but the heat can really stress out your grass. Choosing the right food for your lawn in the summer is tricky. Many bags of fertilizer promise miracles, but some just don’t work well when it’s hot. You worry about burning your grass or wasting money on the wrong product.
Don’t let the summer heat win the battle for your beautiful green space! In this guide, we will break down exactly what your lawn needs during the hottest months. You will learn the secrets to picking a summer fertilizer that feeds your grass without harming it. We will show you how to keep that vibrant color all season long.
Ready to transform your summer lawn from struggling to stunning? Keep reading, and let’s dive into the best strategies for summer lawn feeding!
Top Summer Fertilizer For Lawns Recommendations
- Feeds and strengthens your lawn against heat and drought
- Kills and protects against listed bugs
- Won't burn lawn—guaranteed
- Your lawn will begin to wilt when water is needed. Take advantage of nature's sprinkler and rely on the rain to water your lawn.
- A healthy lawn can clean the air, produce oxygen, prevent runoff and reduce soil erosion
- Feeds for deep greening in just 3 days
- Dual-action, 2-in-1 formula feeds and supplements with iron
- Guaranteed not to stain when used as directed
- Apply to any grass type; OK to re-enter lawn immediately after product is applied
- Recommended for many lawns as part of the Scotts Lawn Care Plan; Not sold in FL
- Feeds and strengthens your lawn against heat and drought
- Kills and protects against listed bugs
- Won't burn lawn—guaranteed
- Your lawn will begin to wilt when water is needed. Take advantage of nature's sprinkler and rely on the rain to water your lawn.
- A healthy lawn can clean the air, produce oxygen, prevent runoff and reduce soil erosion
- Up to 2X more powerful dandelion and clover control (vs. previous formula)
- Clears out dandelions and clover—satisfaction guaranteed
- Weedgrip Technology grips the weeds you see—and the ones you don't
- Scotts most powerful weed and feed
- Feeds to thicken lawns and crowd out weeds
- LIQUID PLANT FOOD WITH LESS PLASTIC WASTE: The reusable spray applicator is designed to be used again with our convenient refill bottles (sold separately)
- 10 MINUTE LAWN CARE: A 32 fl. oz. bottle of Scotts Liquid Green Max Lawn Food feeds a 2,000 sq. ft. lawn in 10 minutes, just connect the bottle to your hose, and spray the liquid fertilizer, it's that simple
- DEEP GREENING: Our nitrogen fertilizer formula (29-0-0 NPK) is boosted with iron to give your lawn a deep green color in just 3 days
- EASY TO USE: The translucent bottle lets you see exactly how much product you're using as you spray, eliminating guesswork
- FOR ANY GRASS TYPE: No matter what kind of grass you have, Scotts Liquid Green Max Lawn Food is designed to deliver deep greening results
- Scotts Turf Builder Lawn Food feeds and strengthens grass to help protect against future problems
- Fertilizer builds strong, deep roots and improves the lawn's ability to absorb water and nutrients (vs. unfed lawn)
- Apply lawn care product to a wet or dry lawn
- Grass fertilizer works on any grass type
- One 12.5 lb. bag of Scotts Turf Builder Lawn Food covers 5,000 sq. ft.
- Specially formulated for Southern lawns and includes Scotts All-in-One Particles to provide an even distribution of nutrients with every application
- Feeds to protect against heat and drought
- Improves lawn’s ability to absorb water and nutrients versus an unfed lawn
- OK to re-enter lawn immediately after product is applied
- Apply to any grass type
- Complete NPK Lawn Food: 16-4-8 is the perfect blend of key macronutrients. This lawn liquid food turf fertilizer also contains Seaweed & Fish.
- Contains High Quality Feed Grade Ingredients: Nourish your lawn with pure liquid Nutrients in a ready to use sprayer
- Easy To Use: Designed to be easily applied. This complete Nitrogen, Phosphate and Potash formula gives your grass greening & growth while providing nutrients for lush lawns
- All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass
- Produced In The United States: 16-4-8 is manufactured in the United States of America, by a family owned business with 25 years of former experience in the commercial professional turf industry.
Your Essential Guide to Choosing the Best Summer Lawn Fertilizer
Summer is a time for lush, green lawns, but the heat can stress your grass. Using the right fertilizer keeps your lawn healthy and vibrant. This guide helps you pick the perfect summer food for your grass.
Key Features to Look For in Summer Fertilizer
When you shop, look for specific features that help your lawn survive the summer heat.
- Slow-Release Nitrogen: This is the most important feature. Slow-release nitrogen feeds your lawn steadily over several weeks. It prevents quick, weak growth that burns easily in the sun.
- Balanced N-P-K Ratio: Look at the three numbers on the bag (Nitrogen-Phosphorus-Potassium). For summer, you want a formula with a higher first number (Nitrogen) but lower Phosphorus (the middle number). Potassium (the last number) is crucial for heat and drought resistance.
- Weed and Pest Control (Optional): Some summer fertilizers include weed killers or insect controls. Decide if you need these extras or prefer a standalone fertilizer.
Important Materials in Summer Lawn Food
The ingredients determine how well the fertilizer works.
Nitrogen (N): Nitrogen makes your grass green. In summer, choose synthetic slow-release forms like urea or sulfur-coated urea. These release nutrients slowly, avoiding burn.
Potassium (K): Potassium is your lawn’s defense shield. It helps the grass manage water stress and fight off diseases caused by high temperatures. Always ensure your summer formula has adequate Potassium.
Micronutrients: Sometimes, fertilizers include small amounts of iron or magnesium. Iron helps deepen the green color without forcing too much growth.
Factors That Improve or Reduce Fertilizer Quality
The quality of the product matters, but so does how you use it.
What Improves Quality:
- High-Quality Coatings: Better coatings on slow-release nitrogen mean the fertilizer lasts longer and feeds more consistently.
- Correct Application: Following the bag’s instructions precisely guarantees the best results.
- Proper Watering: Always water the fertilizer in lightly after application to start the feeding process and prevent burning the blades.
What Reduces Quality (or Harms Your Lawn):
- Too Much Fast-Release Nitrogen: If the fertilizer is mostly fast-release nitrogen, your grass will grow too quickly. Hot weather then stresses this weak growth, leading to brown patches (burn).
- Applying During Peak Heat: Applying fertilizer when temperatures are consistently over 90°F can stress an already struggling lawn. Wait for slightly cooler days if possible.
- Uneven Spreading: Applying too much fertilizer in one spot results in dark green stripes followed by yellow, dead areas.
User Experience and Use Cases
Think about your lawn type and your busy summer schedule when choosing.
For the Busy Homeowner: Look for “Weed and Feed” combos if you want one application to handle multiple tasks. Slow-release formulas are best because they require fewer trips to the spreader.
For Drought-Prone Areas: Prioritize fertilizers with high Potassium content. These formulas help your grass use water more efficiently, keeping it greener longer between waterings.
For New Lawns (Established After Spring): Use a lighter application rate. You want steady, gentle feeding, not rapid growth that might struggle in the heat.
Summer Fertilizer FAQs
Q: Why can’t I just use my spring fertilizer in the summer?
A: Spring fertilizers often have higher fast-release nitrogen. This forces quick, tender growth that burns easily when summer heat and sun hit hard. Summer formulas use slow-release nutrients.
Q: How often should I apply summer lawn food?
A: Most high-quality summer fertilizers are designed to last 6 to 8 weeks. You usually only need two or three applications between June and August, depending on your grass type.
Q: What is the ideal N-P-K ratio for summer?
A: A good summer ratio emphasizes Nitrogen and Potassium. Look for something like 16-4-8 or 20-5-10. The middle number (Phosphorus) should generally be lower in the summer.
Q: Will fertilizer make my lawn grow during a drought?
A: Fertilizer helps the grass stay healthy, but it cannot replace water. If you are under severe drought restrictions, it is better to stop fertilizing until watering is allowed again. Fertilizer needs moisture to work.
Q: How soon after applying fertilizer should I water my lawn?
A: You should water lightly right after application—just enough to wash the granules off the grass blades and into the soil. This activates the nutrients and prevents burning.
Q: Can I apply fertilizer when it is 90 degrees outside?
A: It is best to avoid applying fertilizer when daytime temperatures are consistently above 90°F. Wait for a cooler day (under 85°F) or apply very early in the morning, and always water it in immediately.
Q: What does “slow-release” actually mean?
A: Slow-release means the nutrients break down slowly over time, usually triggered by moisture and soil temperature. This gives your lawn consistent food instead of a big, short-lived burst.
Q: Is granular or liquid fertilizer better for summer?
A: Granular fertilizers are easier for most homeowners to spread evenly and often contain the necessary slow-release components for long feeding times. Liquids work faster but require more frequent application.
Q: My lawn has brown spots after fertilizing. What happened?
A: You likely applied too much fertilizer in that area, or you applied it when the grass was dry and did not water it in immediately. This is called fertilizer burn.
Q: Do I need a special fertilizer for St. Augustine grass in summer?
A: Yes. Warm-season grasses like St. Augustine thrive with summer feeding. Ensure the product is specifically safe for your grass type, as some fertilizers can damage sensitive grass varieties.