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8 Best Liquid Fertilizer For Grass & Lawn 2020 Best Sellers


Liquid Fertilizer For Grass & Lawn. There are benefits that you can take advantage of from a liquid product over a granular fertilizer. Liquid fertilizer is concentrated, and it usually comes in a small bottle. You can carry them around compared to granular fertilizer!

You can dilute liquid lawn fertilizer to suit your requirements. You can also attach some liquid fertilizer products directly to a garden hose for easy application.


The advantages of using liquid fertilizer

Much liquid fertilizer can be added directly to irrigation systems, or require a separate sprayer. Liquid fertilizer can do better to cover large areas of grass lawn because it applies evenly.

The surface and the root of the grass lawn will get nutrients from liquid fertilizers because they can be absorbed quickly. Granular fertilizer can take time to absorb in the soil.

Sometimes you do not need to water your lawn because liquid fertilizers are mixed with water. This practice will save you time by feeding your lawn and giving it the water.

The best liquid fertilizer for grass and lawns provides your lawn all the nutrients it needs to grow fuller and greener and stay healthy for a long period of time.


1. Easy to apply

If you are very proud of your lawn, but you are uncomfortable taking a full-time job of maintaining the grass, you must be considering the most efficient way to deliver food and nutrients to your grass. Liquid fertilizer makes it more accessible and it is highly concentrated.

If you already have a hose, hook it up and spray your grass and lawn. The step is to take the liquid fertilizer, attach to the hose, spray the grass and lawn, detach the hose and store it properly!

You do not need to bend down to scoop granule fertilizer or cleanup required. Because with granular fertilizer, you have to keep in mind to sweep up your walkways for any stray fertilizer.

With granular fertilizer, you have to apply using your hand and measure before that. A rather messy job!


2. Even application

The number of nutrients and the type of nutrient always the same in liquid fertilizer. Each drop and each ounce of fertilizer contains identical and similar nutrient percentages to the rest of the bottle.

This means when you are spreading your liquid fertilizer, you will notice there is an even distribution of nutrients in the application of liquid fertilizer.

If you compare to granular fertilizer, the distribution may be different. Every dry pellet may have a different variation. You can spread a high concentration of dry pellets in one area and undernourished in other areas.


3. Quick absorption

In liquid fertilizer, phosphorous, and the other nutrients, moves through the soil very fast. It is a mobile solution for fertilizer.

The liquid fertilizer provides a better option for your lawn and grass. The nutrients can go in a hurry to their roots for absorption!

Compared with granular fertilizer, phosphorous is not mobile enough, which makes it a slow-release form. A slow absorption!


4. Starter fertilizer for grass

Starter fertilizer for grass means fertilizer in the form of liquid or granular applied for new grass or even new plants. It is fertilizing grass seeds and plant seeds to fertilizing new sod.

Liquid fertilizer is the preferred method for applying starter fertilizer for grass because the new roots will not avoid all the nutrients and fertilizer. The best of all, liquid fertilizer is the best way to stimulate the grass or plant new roots to flourish on your lawn or garden!

By all means, you have to consider the use of liquid fertilizer if you are about to apply starter fertilizer for grass.

Many agricultural sources state that liquid fertilizer for grass contains less salt compared to granular form fertilizer. Too much salt may damage tissue and burn the seed.

The granular form of fertilizer for grass consists of higher salt. That is why liquid fertilizer is the better choice for starter fertilizer for grass.


5. In-season fertilizer

The nature of liquid fertilizer to soak up nutrients very fast makes it the perfect choice for in-season fertilizing. The reason for choosing liquid fertilizer is that the risk of over-fertilization is low.

Liquid fertilizer becomes crucial for grass and lawns that require fertilizing two times in one season, spring and fall. Liquid fertilizer can also be applied between spring and summer, or summer and fall.


Liquid fertilizer for grass application

Liquid fertilizer for grass application is similar to watering your lawn. Using a hose in your hand, you spray evenly to apply the fertilizer to your grass lawn.

You can apply liquid lawn fertilizer evenly to achieve even, green, lush grass lawn. The even distribution lowers the risk of undergrown or overgrown patches.

If you see your grass lawn grows evenly, you are doing an excellent job of maintenance! Your lawn care regimen stays intact, such as watering and mowing.

Having an even, healthy grass lawn without any weak patches can protect your lawn from invasive weeds.


The 8 best liquid fertilizer for grass

If you are trying to find the best liquid fertilizer for grass, you can choose one from the list below. If you need starter fertilizer for grass or fix your grass lawn to a new life, there are many excellent options to choose from.


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Best liquid fertilizer for grass reviews

1. Lawn Stars Chelated Liquid Iron Liquid Fertilizer For Grass, Lawn, Flowers, Shrubs, And Trees

This Lawn Stars Chelated Liquid Iron is a versatile formula without phosphorus, nitrogen, or potassium. The main contribution to the soil and grass is chelated liquid iron that can work on your flowers, trees, lawn, and shrubs.

Chlorophyll will not be produced when there is a lack of iron in the turf. With a little iron deficiency, lawns will yellow. With a severe lack of iron or iron chlorosis, your grass can die. Iron and nitrogen deficiencies can often coincide.

Iron deficiency is a common cause of yellowing and can be fixed by adding chelated liquid iron. This practice will restore your lawn by enhancing metabolism and increasing chlorophyll production.

If you want to strengthen root development and help the grass to withstand extreme temperature fluctuations, this Lawn Stars Chelated Liquid Iron sugar-based liquid fertilizer for grass can achieve your goal. Lawn Stars Chelated Liquid Iron is much safer than some other chelated options.

Please follow the detailed instruction on the package for how to dilute with the appropriate amount of water when applying with a sprayer.

The best thing about this Lawn Stars Chelated Liquid Iron liquid fertilizer is that it comes with 30-days money-back guarantee if you are not satisfied with the result.


2. Urban Farm Fertilizer Liquid Lawn Fertilizer

This liquid fertilizer made by Urban Farm Fertilizer can provide all the macro and micro nutrition needed by your lawn. The ingredients consist of potassium, phosphorus, and nitrogen with humic acid, iron, mycorrhizae, and more.

The Urban Farm Fertilizer is a fast-acting liquid fertilizer product and can last throughout the season. To treat 5,000 square feet of lawn, you need at least one gallon of this Urban Farm Fertilizer liquid fertilizer.

Urban Farm Fertilizer is suitable for a tow-behind sprayer or hose sprayer. You can use this Urban Farm Fertilizer product on Zoysia grass, St Augustine grass, and all types of lawns and grass. The NPK formulation is 13-1-2.


3. Simple Lawn Solutions Natural Liquid Spray Concentrated Fertilizer Extreme Grass Growth Lawn Booster

Organic fertilizers improve the soil texture that allows the soil to increase fungal and bacterial activities and to hold water longer. Organic fertilizer helps the soil.

This non-toxic and natural liquid fertilizer from Simple Lawn Solutions natural liquid spray fertilizer is the ideal choice for speeding up growth and growing your lawn thicker. You can apply the Simple Lawn Solutions natural liquid spray fertilizer on new or existing sod.

The Simple Lawn Solutions natural liquid spray fertilizer product can prevent mineral deficiencies that work well on any grass type. You can be sure to apply this Simple Lawn Solutions natural liquid spray fertilizer to get a great result without harming humans and animals.

It is a pet-friendly liquid fertilizer. It is a grass fertilizer spray.

When it is time to apply, attach the bottle to a garden hose. Each 32-ounce bottle of Simple Lawn Solutions natural liquid spray can cover about 3,200 square feet. The NPK formulation is 6-19-0.


4. LawnStar Liquid Fertilizer For Grass – Liquid Lawn Food With Slow Release Nitrogen

You feel safe when using this Lawn Star Liquid Lawn Food fertilizer product because it comes with a thirty-day money-back guarantee if the result is not expected. This liquid fertilizer from Lawn Star Liquid Lawn Food can provide enough nitrogen to prevent nitrogen deficiency.

Nitrogen deficiency can be detected when you see yellow grass, fewer lawn clippings, and weeds thrive. The NPK formulation of this fertilizer is 30-0-0, that is a great choice to combat nitrogen deficiency.

The nitrogen is slow-release and fast-acting for long-term improvement. You can apply this Lawn Star Liquid Lawn Food product in the summer and in the spring for maintenance and growth.

For one container of Lawn Star Liquid Lawn Food for grass, you can cover up to 16,000 square feet of your grass lawn. To apply, you need a garden-hose of pump sprayer or backpack sprayer.

You can use this Lawn Star Liquid Lawn Food fertilizer on all grass types, such as Bermuda grass and Fine Fescue.


5. Scotts Turf Builder Starter Food Starter Fertilizer For Grass Ready

According to the package, this Scotts Turf Builder Starter liquid fertilizer product can provide 70% thicker grass and 35% faster growth. You can apply this Scotts Turf Builder Starter liquid fertilizer product for new grass, sod, filling bald areas, reseeding, and grass plug.

For one bottle Scotts Turf Builder Starter of 32-ounce, you can cover up to 1,800 square feet of a grass lawn. All you have to do is to attach the Scotts Turf Builder Starter bottle to any garden hose.

To expect the best results, spray the Scotts Turf Builder Starter again seven days later and again fourteen days after that. Water the grass lawn after application. The NPK formulation is 24-25-4. It is a grass fertilizer spray.


6. Grass So Green Liquid Fertilizer For Grass – An Environmental And Pet-Friendly

It is safe to use this Grass So Green Liquid Fertilizer around humans and animals because it is an environmentally-friendly and pet-friendly. This Grass So Green Liquid Fertilizer can help your grass grow strong, green, and improve the soil.

Grass So Green Liquid Fertilizer product consists of Bio Builder, a special blend of organic ingredients. The NPK formulation of this Grass So Green Liquid Fertilizer is 7-7-7, a great choice for warm-season and cool grass.

If you purchase a one-gallon container, you can cover and feeds up to 2,000 square feet for 30 days. Grass So Green Liquid Fertilizer comes with a money-back guarantee if somehow you are not satisfied with the results.


7. Simple Lawn Solutions Spray Advanced Lawn Food Natural Liquid Lawn Fertilizer Concentrated

The NPK formulation of this Simple Lawn Solutions Advanced Lawn Food Natural Liquid Fertilizer is 16-4-8. Simple Lawn Solutions Advanced Lawn Food Natural Liquid Fertilizer is suitable for all types of grass such as Bermuda grass, St. Augustine grass, Zoysia grass, Buffalo, Centipede, Florida Palmetto grass, Bahia grass, Fescue, Ryegrass, and Kentucky Bluegrass.

The formulation is a well-balanced combination of the essential macronutrients needed by your lawn, ultra-concentrated and can be applied in the summer and spring. To enhance optimum growth, Simple Lawn Solutions Advanced Lawn Food Natural Liquid Fertilizer consists of seaweed extract.

These nutrients help increase tolerance to stress, keep lush and green for a long time, and helps your lawn grow quickly as well as root strength.

To apply, you can connect to any garden hose for accurate, quick, and easy application. Simple Lawn Solutions Advanced Lawn Food Natural Liquid Fertilizer is a 32-ounce bottle liquid fertilizer product that can cover up to 3,200 square feet. It is a grass fertilizer spray.


8. Simple Lawn Solutions Spray Lawn Food Natural Liquid Lawn Fertilizer Concentrated

The NPK formulation of this Simple Lawn Solutions Lawn Food Natural Liquid Fertilizer product is 15-0-15, which means it does not contain phosphorus. If you notice yellowing between leaf veins, brown scorching, and curling of leaf, this could be a sign of potassium deficiency.

You can fix this problem by applying the Simple Lawn Solutions Lawn Food Natural Liquid Fertilizer.

Purple spots on the leaf undersides, reduced grass growth, and weaker are also the sign of potassium-deficient plants.

This Simple Lawn Solutions Lawn Food Natural Liquid Fertilizer formula helps your grass grow stronger, greener, and faster. Besides, the Simple Lawn Solutions Lawn Food Natural Liquid Fertilizer contains humic/fulvic acid to help enhance your lawn to tolerate cold and hot.

When you use a 32-ounce bottle, you can cover up to 3,200 square feet, and Simple Lawn Solutions Lawn Food Natural Liquid Fertilizer is pet-friendly and safe for humans. You can apply on all grass such as bluegrass and palmetto grass.

All you need to do is connect the bottle with your garden hose and make sure to keep your lawn watered. This practice will make the grass absorb the nutrients fast and effectively. It is a grass fertilizer spray.


When to apply liquid lawn fertilizer?

Most growers apply a dose of liquid fertilizer for lawns in the spring months. After that, they apply one or two more applications during the growing stage.

It is recommended for you to not fertilize your lawn too early in the season. You should fertilize your lawn with liquid fertilizer in late spring for the first time.

If you fertilize in early spring, the grass is putting energy into root development, and the grass diverts the energy into leaf development too soon.

If you tend to use organic fertilizer, you need to make one application in the early fall to build the grass’ root systems. The actual timing depends on your region and the type of grasses you grow.

Plan the liquid fertilizer for lawns application with the coming rainfall. If there is no rainfall, you will need to water your lawn with at least a quarter-inch of water.

1. Early spring

You can be sure that your grass is hungry in the spring. Fertilize the lawn in spring will get it off a great start and strengthen roots.

Apply liquid fertilizer for lawns one time between February and April. It is when your grass is beginning to green up and start to grow actively.


2. Late spring

During this time of the season, your grass is using energy and busy. This is the right time to retain it well-nourished.

Apply liquid fertilizer for lawns late spring one time between April and June. Count about six to eight weeks after the early spring feeding.


3. Summer

Summer months are the worst time of the year for your grass lawn. Grass lawn will be affected by the heat, foot traffic, drought, and insects.

To combat these conditions, your grass lawn needs to be fertilized. Once you feed your grass lawn at the start of summer months, liquid lawn fertilizer can help protect and strengthen your grass lawn.

Start applying liquid fertilizer for lawns one time between June and August. Count six to eight weeks after the late spring feeding.


4. Fall

After being affected by the warm summer months, your grass lawn is looking for the nutrients to recover from summer damage. It is also the time to get ready for its dormant winter season.

It would help if you fertilized your grass lawn in the fall to strengthen roots and increase nitrogen storage for a healthy, green lawn.

Apply the liquid fertilizer for lawns one time between August and November, six to eight weeks after the summer feeding.


Frequently ask question

What happens if you underfeed your grass lawn?

Your grass lawn utilizes a lot of resources to grow well throughout the season. These resources become more needed at critical times of the year.

If you do not feed your grass at all or only feed them one time a year, it will not look good year-round. A dormant lawn can look good if it is not full of weeds or patchy.

You have to feed you lawn at least four times a year in early spring, late spring, summer, and fall.


What happens if you water your grass lawn the wrong way?

It is recommended to water your grass lawns deeply and infrequently to stimulate grass to grow deep roots. Use your garden hose to water your lawn for anywhere between twenty and sixty minutes.

Do the watering two to four days a week. Do not water only for five or ten minutes every day.

If it is a rainy day, it does not mean your grass gets enough water. Twenty minutes of rain is not enough for your lawn. A grass lawn will need at least an all-day soaking rain.

It will help if you water your lawn in the summer days because your grass lawn is thirstier than usual.


What happens if you mow your grass too short?

If you cut your grass too short, it will immediately start pouring its energy into developing its blades, at the expense of root growth. Shallow roots can create lawn problems during drought. This is because the grass can not reach deeper water reserves in the soil.

It also means you cut off the growing points of the plants. It gives your lawn bald spots. When the grass thins, the bare ground becomes open to the sunlight. This is an opportunity for weed seeds to establish themselves.

You must set your mower height right for your grass type. You should never remove more than 1/3 of the grass blade length at a time.

An ideal height for grass ranges between two and four inches.


Is liquid fertilizer good for lawns?

The best liquid fertilizer for your lawn is one that contains all the nutrients your soil needs. A proper NPK formulation for a lawn is 3-1-2. One of the benefits of using a liquid lawn fertilizer is that you can mix with other nutrients easily.


Should you water after applying liquid fertilizer?

Do not water your grass right after the application. You have to wait at least six to eight hours or twenty-four hours.


How long does liquid lawn fertilizer last?

If you store a liquid lawn fertilizer properly, it can have a shelf life between eight to ten years. See the expiration date on the product label.


By Henry Kaswandi, SS, M.Kom.

Person: Henry Kaswandi, SS, M.Kom.

Contact Info: You can reach me by email. Hi, this is Henry Kaswandi, SS, M.Kom. I am a garden and outdoor activities lover. I try to write a comprehensive article for good information and guide.