The Best Lawn Fertilizers

Best image of lawn fertilizers
Photo: Scotts Turf Builder Lawn Food - Fertilizer for All Grass Types, 5,000 sq. ft., 12.5 lbs.

To help you find the perfect lawn fertilizer, we continuously put forth the effort to update and expand our list of recommendable lawn fertilizers. Our team collects, edits and publishes new information, in order to present it to you in an accurate, significant and neatly arranged way.

Our Picks

Scotts Turf Builder Food image
Scotts Turf Builder Lawn Food feeds and strengthens grass to help protect aga...
Scotts Green Max Food image
Scotts Green Max Lawn Food is a dual-action fertilizer and iron formula that ...
Our Choice
Scotts Turf Builder Food image
Scotts Turf Builder Lawn Food feeds and strengthens grass to help protect aga...
Low Price
Scotts Green Max Food image
Scotts Green Max Lawn Food is a dual-action fertilizer and iron formula that ...

8 More Lawn Fertilizer Alternatives

Complete NPK Lawn Food: 16-4-8 is the perfect blend of key macronutrients. This lawn li...

Contains High Quality Feed Grade Ingredients: Nourish your lawn with pure liquid Nutrie...

Easy To Use: Designed to be easily applied. This complete Nitrogen, Phosphate and Potas...

Scotts Turf Builder Bonus S Southern Weed & Feed2 weed killer plus fertilizer kills exi...

Southern weed and feed controls dollarweed, clover, dandelion, chickweed, oxalis, henbi...

Apply to a dry lawn when grass and weeds are actively growing; product must be watered ...

Scotts Turf Builder Weed & Feed3 weed killer plus fertilizer kills existing listed weed...

Controls over 50 listed lawn weeds, including clover, dandelion, plantain, morningglory...

Apply this combination weed control and lawn food to a wet lawn when weeds are actively...

Scotts Turf Builder Southern Lawn Food is a fertilizer specially formulated for Souther...

The included Scotts All-in-One Particles build strong, deep grass roots to protect agai...

Apply this grass fertilizer to a wet or dry lawn during the growing season

Grows new grass 70% thicker, 35% quicker versus unfed grass

Improves seeding results--also great for sod and grass plugs

24-25-4 fertilizer ratio provides the nutrients for developing lawns

Fertilizer for use on all lawns

Strengthens against heat and drought

For a lush, thick deep green lawn

Phosphorus-free fertilizer blend with fine particle size that includes humic acid, whic...

Contains MUtech coated slow release nitrogen to provide uniform growth and extended fee...

DG particles do not rely on a physical coating to release nutrients. Coated fertilizers...

Starter fertilizer for new lawns with seed or sod, or overseeding existing lawns

Builds strong, deep roots for thick, full grass & faster lawn establishment

Helps all types of grass seed, sod, and plugs establish roots fast

Buying Guide

Want a healthier lawn, but don’t know where to start? Have no fear! There are a lot of different types of fertilizer on the market, and it can be quite daunting to figure out which one is right for you. The good news is, there is a logic to all of this that is actually pretty understandable even if you don’t have a green thumb. After you learn about the different types of fertilizers, try one of these recommended fertilizers and you’ll soon become the envy of your block.
The nutrients your lawn needs

All plants need a combination of three nutrients: nitrogen, phosphorus, and potassium. Every fertilizer has a certain proportion of these nutrients, and different nutrients are important for different things. Nitrogen is important for growth, phosphorus encourages flowers and roots to grow, and potassium is a supporting nutrient.
The percentage of each nutrient will be listed on any fertilizer that you buy. It will look like three numbers, such as 18-6-12 or 5-10-5. The first number stands for nitrogen, since it’s the nutrient your lawn needs the most. The second number stands for phosphorus, and the third stands for potassium. Thus, these numbers are often called the “N-P-K ratio.”

Don’t worry, though — you don’t need to calculate the proper ratio of nutrients on your own. Different ratios are appropriate for broad categories of lawns — for example, a certain N-P-K ratio may be suitable for a specific age of grass, season or geographic location.

Here are some basic guidelines to go by:

For a new lawn, you’ll need more phosphorus to encourage the young grass to produce hardy roots. That means you want more phosphorus, so you want a fertilizer with more phosphorus and potassium than nitrogen. That means you want the second and third number to be bigger than the first. Think of this as a “small-big-big” ratio.

For an established lawn, you need more nitrogen than anything else. You need a “big-small-small” ratio.

A stressed lawn that’s preparing for extreme cold, frost or drought needs extra potassium — these are sometimes sold as “winterizing” fertilizers — so you need a “big-small-big” ratio.
Note that too much of one nutrient can throw your lawn out of balance in addition to being extremely harmful to the environment. If you’re in doubt about what your own lawn needs, never hesitate to ask a gardener.

Organic or synthetic?

Lawn fertilizers can be divided into two main types: organic and synthetic. Organic fertilizers are made of natural materials like cottonseed, seaweed, blood meal, green sand or alfalfa. These are high-nutrient ingredients that are found naturally and processed for you to use on your lawn. Organic fertilizers work especially well as a year-round, regular solution. They won’t work quite as well as a fast-acting solution to a dehydrated lawn, because they’re made of natural materials that take time to break down into the soil.

Synthetic fertilizers are also known as chemical fertilizers. They’re most commonly found in garden and lawn stores. They’re usually in granular or pellet form (more on that below), and they’re usually more potent and fast-acting because they contain concentrated forms of specific nutrients. For the same reason, they can more easily be tailored to specific uses since the N-P-K ratio can be manipulated to whatever is necessary for a particular season, plant or location. Chemical fertilizers can be useful in ways that an organic fertilizer is not: for example, if you need immediate nutrient flow, then a synthetic fertilizer can work well in the short-term.

However, synthetic formulas can also be dangerous for your lawn. Their effects are short-lived, and they diminish the fertility of the soil itself making it necessary to keep fertilizing over and over for the same effects (which is harmful for the environment).
Keep in mind that, while organic fertilizers are better for the environment in many ways, too much fertilizer is harmful no matter where it comes from. Organic fertilizer can be a pollutant, too!

Granular, pellet or water-soluble?

Fertilizers also come in different formulas. Many synthetic fertilizers come in pellet form and must be deposited onto the lawn and then released into the soil. Organic fertilizers often come in granular form. Other fertilizers come in liquid or water-soluble form. Pellets take time to dissolve into the soil, while water-soluble fertilizers dissolve rapidly. Either one of these formulas can be relatively easy to disperse over large distances.

Time-release, gradual release or manual release?

Some granular fertilizers are timed so that they automatically re-release their nutrients without needing to be reapplied. There are also gradual release fertilizers that release their nutrients slowly over a period of time, which helps prevent the nutrients from “burning” the lawn by adding too much of one nutrient at once. This will also help prevent the fertilizer from leaching away into the soil.
Manual release fertilizers are simply fertilizers that you add by hand or with a hose.

This category is mostly up to personal preference, though often certain types or brands of fertilizers only come in one formula. In specific cases, however, one formula can be especially beneficial. One main tip is that if you choose to go with a synthetic formula, you should make sure to buy a gradual release fertilizer, which will counteract some of the potentially harmful effects or chemical fertilizers described above.

How much? How often?

The amount of fertilizer that you should apply is completely dependent on the N-P-K ratio of the ingredients. If you’re using a nitrogen-heavy fertilizer, for instance, you don’t want to apply too much too quickly or you could damage your plants. This is true for all of the nutrients, in fact. The easiest way to get this right is to read the package’s label carefully, and follow the directions.
As far as how often to fertilize, the answer is dependent on your lawn and the fertilizer, but a good rule of thumb to follow is “not too often.” It’s better to use a gradual-release fertilizer than to over-apply.

Leave your clippings

A bonus tip: you can save money on fertilizing your lawn by leaving the clippings on the grass when you mow it. Usually you need to compost raw material before it will be of any use to plants, but in this case the combination of dried leaves and fresh glass clippings gets the job started for you. This method will improve the health of your soil and allow you to fertilize less often. This technique is also known as “grasscycling.”

Your lawn, your choice

Ultimately, the decision about which fertilizer to buy is up to you. Everybody makes mistakes with their lawn at some point. It’s part of the learning process, so try not to stress too much and trust your own senses. With a bit of basic knowledge, some highly recommended products and the willingness to ask for help, you’ll eventually find the lawn of your dreams.

Top Rated Lawn Fertilizers

If you're looking into finding the best rated lawn fertilizer, you should probable check out the Neptune's Harvest Organic Hydrolized Fish & Seaweed Fertilizer. We looked at various sources of reviews and found this one to have the best mix between review count and average rating stars.

Neptune's Harvest Organic Hydrolized Fish & Seaweed Fertilizer

The Lowest Price We Could Find

Often, going for the best price is a simple but good option. With a price of $16.70 (last checked this morning), we do not list any other lawn fertilizer cheaper than the Swiss Farms AMAZE Food. Just remember that it's not always the best option to go for the cheapest one.

Swiss Farms AMAZE Food

The Lawn Fertilizer With the Most Reviews

With at least 773 reviews and counting, the Neptune's Harvest Organic Hydrolized Fish & Seaweed Fertilizer might be another option to consider. This large amount of reviews signalizes that many people are using it, with most of them beeing satisfied.

High Quality Lawn Fertilizers

It's quite rare that the saying "You get what you pay for" turns out incorrect. If you have the money on the sideline, feel free to choose the most expensive item from our list: The The Andersons Professional PGF Complete 16-4-8 Fertilizer currently sells for $50.88.

The Andersons Professional PGF Complete 16-4-8 Fertilizer

The Lawn Fertilizer With the Most Clicks

If you trust us and our users, feel free to check out the Scotts Turf Builder Food. Our statistics say that it is the most favorite Lawn Fertilizer from the list above.

Scotts Turf Builder Food

Our Bestseller

If you're still undecided, I would recommend that you go with the masses and choose the top selling lawn fertilizer: The Scotts Turf Builder WinterGuard Fall Weed & Feed3 is the hottest bestseller in this category right now.

Scotts Turf Builder WinterGuard Fall Weed & Feed3

Lawn Fertilizer Reviews

There are no reviews on lawn fertilizers, yet.
Be the first to write a review, or check for additional reviews in the Further Reading section below.

Further Reading on Lawn Fertilizers

New: Our editorial list of additional articles. We decided to gather informartion all around the internet and present you a list of helpful, external links to interesting reads about reviews, pros & cons and similar products.
Natural Lawn Care | Eartheasy Guides & Articles
Fertilizing in early fall promotes vigorous lawn growth the next spring. Use a Fertilizer with Time-Released, Water Insoluble Nitrogen. Convert Your Lawn to a Drought-Resistant, Low-Maintenance Eco-Lawn. Control Lawn Weeds with Corn Glut... ...
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Green Lawn Fertilizing, the PA, NJ, and DE area's best reviewed lawn care, aeration, seeding & mosquito control service. Get a free estimate today! ...
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Organic Lawn Care 101 - Maintaining a Chemical-Free ...
A homeowner's guide to organic lawn care. Learn to grow a healthy, A SAFE alternative to RoundUp® that's trusted by cities and municipalities. $16.95 $10.00  ...
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Fertilizer and Chemical Lawn Use | Wright Commercial...
Before we jump into offering suggestions on how to use fertilizers, we are first going to look more into this debate to understand the pros and cons of chemical  People also askWhat are the disadvantages of using fertilizers?What ar... ...
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Home - Natural Alternative Organic Lawn Care Products
Save 10% on mosquito, tick and flea control. Use Code: Bug18. 10% Off Summer Lawn Fertilizer Application A3. Protect Your Family With Safer Tick Control.‎Lawn Care · ‎Products For Purchase · ‎About Natural Alternative · ‎P... ...
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Lawn Fertilizer - The Pros & Cons of Quick Vs. S...
If you want your turf lawn to grow well, it is important to know and understand the pros and cons of both types of fertilizers. Fertilizers with quick release nitrogen readily provide the nutrients immediately to plants. They use water-s... ...
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Organic Lawn Fertilizer

More people are searching for natural, organic lawn fertilizers, but the term organic has often been misused. In this video Doc talks about the new organic ...

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