Comprehensive Guide to Liquid Nitrogen Lawn Fertilizer for Lush Greenery
Your turfgrass is in need of a nutritious boost after a difficult season of bubbling in the heat or freezing in the snow. But, with so many options, buying fertilizer at your local garden center might be overwhelming. To help you focus your search and provide your grass with the finest care, see our article on liquid nitrogen lawn fertilizer.
Table of Contents
Liquid Fertilizer Types
- Water Soluble- For those looking to reduce packaging waste and who don’t mind having fewer options, water-soluble products are the best option.
- Liquid Concentration – Excellent for both novice and expert users who are searching for a fast-acting fertilizer to help progress their lawn-care objectives.
- Ready-to-Use – Ideal for both novices learning about their lawn’s specific demands and expert users.
Tips For Using Liquid Lawn Fertilizers
Applying liquid lawn fertilizer is usually simple; however, a few tips can make it even easier and improve the results. If feasible, use a liquid hose-end sprayer. While using a pump-style garden sprayer is conceivable, users will have to take the extra effort to stop every time they run out of solution to pump up the pressure in the sprayer. All that is required with a hose-end applicator is to connect the sprayer to the end of the garden hose.
While spraying, the fluid is automatically diluted. While using a spray fertilizer, walk backward. It’s the simplest way to apply the solution uniformly, and you won’t be strolling through fertilizer-saturated grass. To keep track of where you’ve already applied fertilizer, think about using stakes to mark off lawn sections.
It is simple to apply the fertilizer spray consistently by making workable sections, such as those that are 15 feet broad. The fertilizer will spray more evenly if the zones are marked with stakes or flags. It can be helpful to designate the regions using flags or stakes.
1. Exceed Liquid Fertilizer
Exceed, a liquid fertilizer will produce a far faster response from your grass than granular fertilizer. When nutrients are taken through the roots or leaves rather than the soil, they become available practically instantly.
Urea is the usual source of nitrogen. In the case of liquid fertilizer, the leaves can absorb it. The liquid fertilizer will provide your grass an instant boost, even while the weather is still rather cool, unlike solid fertilizers, which require a soil-borne reaction at temperature. With a covering area of 1,250 square meters, Exceed Liquid Fertilizer comes in a 2.5-liter concentrate bottle.
NPK Ratio is 18-2-10 NPK (Nitrogen, Phosphorus, and Potassium) + Fe & Mn. If you have an empty, ready-to-use bottle, properly rinse it off and use it to apply to Exceed instead of a knapsack sprayer or watering can. Just keep in mind that Exceed liquid fertilizer includes iron and can discolor hard surfaces; if there is any overspray, you should wash it off immediately away.
| Pros | Cons |
| Appropriate for all lawn types | No significant |
| At any time of year, this product is ideal for both new and established lawns | |
| Gives your lawn an almost immediate boost in health | |
| Apply throughout the cool hours of the day |
2. Medina HastaGro 12-4-8 Lawn Food
Regularly fertilizing a lawn throughout the growing season may get pricey, but Medina HastaGro 12-4-8 fertilizer allows users to treat up to 16,000 square feet of lawn, making it a cost-effective solution that can last for numerous applications depending on yard size.
HastaGro should be applied four times per growing season, according to the company. Use a hose-end liquid dispenser to apply this liquid lawn fertilizer or a pump-style garden sprayer to combine 1 ounce of the fertilizer with 1 gallon of plain water. HastaGro contains trace elements like copper, iron, calcium, and zinc to assist supplement the needs of the grass in addition to sufficient levels of nitrogen, phosphorus, and potassium. The NPK ratio is 12-4-8. Up to 16,000 square feet of coverage.
- Synthetic fertilizer
| Pros | Cons |
| The treatment area of up to 16,000 square feet | The applicator is not included |
| Dilutes for use in a hose-end dispenser or a pump sprayer | |
| Trace minerals have been added |
3. Extreme Grass Growth Lawn Booster
If your grass needs a rapid boost of nutrients, try Simple Lawn Solutions’ natural liquid fertilizer. The product claims to increase grass vertical and lateral growth in a few days. Energized with humic and fulvic acids, this high phosphate concentrate (6-19-0) is perfect for new sod and planting. In reality, the Growth Booster is a great fertilizer for both new and worn-out lawns that require assistance to resurrect.
We adore the included, hose-end liquid fertilizer sprayer since it makes application really simple. You won’t have to worry about the safety of your pets or children because the product is made with natural ingredients.
| Pros | Cons |
| Covers 3,200 square feet | Nothing significant |
| Spray bottle that is ready to use | |
| Fast results |
4. Scotts Liquid Turf Builder Lawn Food
Scotts Liquid Turf Builder Lawn Food, which has a high-nitrogen NPK ratio of 29- 0-3, may be an option for home landscapers trying to make their drab lawns look greener.
There is no mixing or mess because this liquid fertilizer comes in its own applicator container that connects to the end of a typical garden hose. With this strong nitrogen-rich composition, users may start to see results in the shape of greener grass in just one or two days.
Liquid Turf Builder 32-ounce container treats up to 2,000 square feet of lawn. The fertilizer should be applied four times annually: in the early spring, late spring, early fall, and late fall. Once the trigger spray is engaged, screw your water hose into the bottle’s back.
Keep watering your entire yard. When you’re finished, remove the water pressure and detach the bottle to reuse it another day. This product is better to use during the growing season. To avoid overfertilizing and burning grass, strictly follow application directions and do not exceed the prescribed rate. The NPK ratio is 29-0-3 up to 2,000 square feet of coverage.
- Synthetic fertilizer
| Pros | Cons |
| Lawns are immediately greened | Customers report burned patches at higher-than-recommended ratios |
| Nitrogen concentration is high | |
| An applicator bottle is included |
5. Lawn Food Quality Liquid Fertilizer 16-4-8 Balanced NPK
Simple Lawn Solutions Fully Balanced lawn food is ideal for those looking for a balanced lawn fertilizer that will encourage brilliant color, and healthy development, and lessen the stressful impact of moderate soil deficiencies.
It has an NPK ratio of 16-4-8, providing ample nitrogen to encourage growth and green up a lawn. Moreover, it provides trace levels of potassium and phosphorus, which support the growth of healthy roots and the general health of the grass.
This Easy Lawn Solution product is packaged in a spray bottle with an applicator that can be attached to the end of a regular garden hose to provide automatic dilution.
Users can change the flow rate using the sprayer’s nozzle adjustment, and a single 32-ounce container can treat up to 3,200 square feet of lawn. 3,200 square feet of coverage. There are natural fish and seaweed emulsions mixed in with synthetic ones.
| Pros | Cons |
| A sprayer applicator is included | The manufacturer does not provide the recommended reapplication time |
| Contains additional nutrients for overall grass health | |
| High nitrogen content for rapid greening |
6. Extreme Grass Growth Lawn Booster- Liquid Spray Fertilizer
This liquid lawn fertilizer’s considerable phosphorus content increases grass seed germination rates. Humic acid, a nutrient found in soil, is added to improve nutrient uptake in young seedlings to give them a head start. The NPK ratio of Simple Lawn Solutions Extreme Growth Booster fertilizer is 6-18-0, making it ideal for use in newly planted areas.
Nitrogen is also present, which aids in promoting seedling color and growth after the seeds have sprouted. Similar to other fertilizer solutions from Simple Lawn Solutions, Extreme Growth Booster comes in a separate applicator bottle that connects to the end of a garden hose for automatic dilution as you water. This liquid fertilizer is available in 32-ounce bottles and may treat up to 3,200 square feet of freshly sown soil.
Up to 3,200 square feet of coverage Although synthetic, it contains humic acid, a naturally occurring organic compound found in soil.
| Pros | Cons |
| It is available in a container with an applicator | The phosphorus level is too high for an existing lawn |
| Includes a lot of phosphorus, which helps with germination | |
| Nitrogen is present for greening and growth |
7. LawnStar 30-0-0 Liquid Nitrogen Fertilizer Lawn Food
LawnStar has developed a fantastic formula (30-0-0) with a combination of nitrogen that releases slowly over time for long-term results. Use the product in the spring and summer to get your lawn going and keep it growing all through the growing season. After a few weeks, you’ll experience long-term results.
The high-quality nitrogen compound is appropriate for all varieties of grass. The ample size of the bottle (one gallon), which may fertilize an area of up to 16,000 square feet, is another benefit of this liquid nitrogen fertilizer. Simply follow the mixing directions on the bottle when applying. For application, you’ll need a pump sprayer or a garden hose.
| Pros | Cons |
| Up to 16,000 square feet of coverage; suitable for all grass kinds | Warming is required for the application of a gel-like material |
| Long-term enhancement |
8. Environmental Green Liquid Corn Gluten
For established lawns that require a protein boost, the company Environmental Factor has created liquid corn gluten that is natural in composition. This treatment will keep those annoying weeds out while also thickening your lawn.
Using this fertilizer in newly sown gardens is not advised as it may negatively affect germination. Apply fertilizer to your grass evenly starting at the top, combining three parts water to one part fertilizer. Mixing corn gluten meal and water covers 1,000 square feet per liter.
| Pros | Cons |
| Broader coverage | Sprayers are not recommended |
| No assembly necessary | Plants may be burned |
9. Scotts Liquid Turf Builder with Plus 2 Weed Control Fertilizer
Feeding the lawn is a good idea unless you’re also feeding the weeds. Both difficulties are handled at once by Scotts Liquid Turf Builder with Plus 2 Weed Control. The NPK ratio of this multipurpose product is 25-0-2, which promotes rapid greening and vigorous development.
It also contains 2,4-D, a herbicide that kills broadleaf weeds like clover and dandelions without damaging grass. Turf Builder with weed control comes in an applicator bottle that is ready to use. The water may be turned on after you attach it to the end of a regular garden hose. As you apply the product to the grass, it automatically dilutes.
This fertilizing and the weed-killing product comes in 32-ounce bottles and treats an area of up to 6,000 square feet. If necessary, it can be sprayed again in 3 to 4 weeks to eradicate any tenacious weeds that were not eliminated by the initial application. Up to 6,000 square feet of coverage.
- Synthetic fertilizer
| Pros | Cons |
| Applicator bottle that is simple to use | Excessive spraying may destroy valuable plants |
| Nitrogen-rich soil for rapid greening | |
| Broadleaf herbicide is present |
10. PetraTools Nitrogen Fertilizer – Liquid Lawn Solution
Nitrogen is present in sufficient amounts in most lawn fertilizers, allowing dull grass to quickly turn green. PetraTools Nitrogen Fertilizer also contains slow-release nitrogen, which helps lawns retain their lush appearance. The concentrated liquid needs to be diluted before using it in a garden sprayer with a pump or hose end (not provided).
Its 28-0-0 NPK ratio’s extremely high nitrogen content has only one purpose: to make the grass greener. The formulation has 30% slow-release nitrogen and 70% quick-release nitrogen, which are quickly absorbed by the grass roots and blades. The fertilizer should be applied twice a year, once in the spring and once in the summer, according to the manufacturer. Up to 12,800 square feet of coverage.
- Synthetic fertilizer
| Pros | Cons |
| Rapid greening | The spray applicator is not included |
| Slow-release nitrogen aids in the preservation of the green color | |
| Soils with a lack of nitrogen are treated |
11. Simple Lawn Solutions Lawn Energizer Blend
While most fertilizers make grass turn a rich shade of green, those containing iron produce a darker shade of green that many find very beautiful. Simple Lawn Solutions Lawn Energizer Mix is one such product. This NPK 6-0-0 product’s nitrogen presence encourages greening, and iron’s addition deepens the tint of green.
Other micronutrients in the product include manganese, magnesium, and sulfur, which can be depleted in specific soil types. To make using Lawn Energizer simple, it comes in a bottle with an applicator that can be connected to a garden hose. Apply the product as you spray the lawn. A 3,200 square-foot area can be treated with one 32-ounce bottle.
A minor drawback is that if foundations, sidewalks, and roadways are not immediately wiped clean, the iron component may leave rust-like stains. The NPK ratio is 6-0-0. Up to 3,200 square feet of coverage.
- Synthetic fertilizer
| Pros | Cons |
| It comes with its own applicator spray container | If not washed off immediately, could discolor neighboring things |
| Nitrogen to promote rapid greening | |
| Includes iron, which helps to intensify the green color of grass |
12. Envii Greenkeeper’s Secret Liquid Lawn Food
Another natural liquid fertilizer from a family-owned, UK-based company, Envii. The 7-15-19 formula guarantees that it will enhance the condition of the soil and grass, with benefits appearing in 7–10 days. The bio-stimulant technology in this product, which enables better root growth and increased tolerance to severe rain and drought, is what distinguishes it from other products in the market.
Also, it is perfectly safe to use on other plants, as well as on kids and animals. The container is created from recycled plant-based materials, so you can compost it after use, which is great news for individuals who care about the environment.
The cost of this device is possibly its biggest drawback. The 1-liter bottle covers only 300 square meters. The bottle’s short connector also makes it challenging to attach to a garden hose.
| Pros | Cons |
| Rapid results | The bottle’s connector is a little too short |
| Works on bushes and trees as well as grass | Expensive |
| Friendly to pets and children |
13. Medina Ready-To-Spray HastaGro Liquid Lawn Fertilizer
The Medina 12-4-8 liquid lawn fertilizer mix is a ready-to-spray solution that claims to instantly turn your lawn green. The reusable liquid fertilizer sprayer container with a hose-end that covers an area of up to 4,000 square feet is what we really enjoy about this fertilizer. Your lawn will become thicker and greener if you use this liquid fertilizer once a month from spring through fall.
| Pros | Cons |
| Results are available immediately | A little challenging to use the bottle |
| Excellent coverage | |
| There is no assembly required |
14. The Urban Farm Liquid Lawn Fertilizer
Certain lawns could benefit from an extra boost of nutrients, like those found in The Urban Farm’s Liquid Lawn Fertilizer, which combines a number of organic materials in a concentrated liquid, including kelp, humic acid, worm castings, bat guano, and more.
The NPK 13-1-2 ratio in Urban Farm’s formulation, which is nitrogen-based, promotes growth and aids in the development of rich coloration in the grass. In order to restore healthy soil and promote greater overall lawn development, the added nutrients help balance the soil’s needs. The concentrated liquid is packaged in a 3.78-liter container and can treat up to 60,000 square feet of lawn.
Reapply the product every 2 to 3 weeks for the best results. Up to 60,000 square feet of coverage. Although synthetic fertilizer contains some natural components.
| Pros | Cons |
| The treatment area of up to 60,000 square feet | The applicator bottle is not included |
| A high nitrogen content encourages rapid greening | |
| Additional nutrients address potential deficits |
15 . Miracle-Gro EverGreen – Fast Green Lawn Spray & Feed 1L
An extremely quick-acting lawn fertilizer that promises to start working in just 24 hours is Miracle-Gro EverGreen Quick Green Lawn Spray. You’ll notice a difference in a few days. You can get lush, green grass using an N-P-K 27-0-0 that has a very high nitrogen content that will last for about a month. For the best effects, We recommend using it every 4-6 weeks.
| Pros | Cons |
| Fast-acting lawn fertilizer | Get a multi-pack because they only last 4-6 weeks |
| Spray attachment that is easy to use | |
| Fertilizer with a high nitrogen content of 27-0-0 |
Factors Should Consider While Selecting The Best Liquid Lawn Fertilizer
A commonality across most lawn fertilizers is that they all offer the nutrients that grass needs to develop vibrant color and grow steadily all summer long. Fertilizers help to generate a beautiful lawn by supplementing the generally healthy soil. While buying liquid lawn fertilizer, keep in mind a few essential elements.
NPK Ratio
The nitrogen content of lawn fertilizers is often higher than that of any other nutrient in order to make the lawn greener and encourage vigorous development. The quantity of nitrogen (N), phosphorus (P), and potassium (K) that commercial fertilizers contain are used to classify them.
A typical NPK ratio for liquid lawn fertilizers would be 16-0- 6, indicating that the fertilizer contains 16 percent nitrogen, 0 percent phosphorus, and 6 percent potassium.
Often the (K) in NPK stands for potash instead of potassium. Potassium is a type of ash, and both are used to promote root development and grass health in general. Liquid lawn fertilizer may or may not contain phosphorus. If so, it might encourage the growth of grass seeds, which could be useful if the user wants to.
Soil pH
A pH range of 6.0 to 7.0 is ideal for the majority of turf grasses. On a scale from 0 to 14, 7 is considered “neutral,” or in other words, the middle of the pH range. Numbers above 7 are gradually more alkaline, whereas those below 7 are progressively more acidic.
A soil’s pH that is noticeably too high or too low on the scale won’t be changed by fertilizers, even though some may help to balance pH marginally. Gardeners concerned about the pH level should test their soil and then add additives to raise or lower the pH based on the test findings, such as sulfur or lime.
Frequency Of Application
Grass absorbs liquid fertilizers quickly, both through its leaf blades and through its roots, but chemicals also move through the soil rather quickly. This is why liquid fertilizers are used on lawns more regularly than granular ones, some of which are meant to degrade gradually over a period of weeks.
Fertilizing cycles can last anywhere from two weeks to a month, depending on the brand and manufacturer’s recommendations. Do not apply fertilizer more frequently or at a higher rate than recommended. Overfertilization can cause the grass to burn, leaving dead turf in patches that are brown.
Organic vs. Synthetic
The majority of liquid lawn fertilizers are inorganic, which means they contain synthetic and chemical components. The nutrients are artificial replicas of nutrients found in nature that have been created in a laboratory.
The chemicals in liquid lawn fertilizers are frequently concentrated, and the fertilizer is intended to be diluted before being applied to the lawn. Turfgrass varieties typically respond to synthetic fertilizers in the same way as they do to natural fertilizers.
Lilani graduated with a bachelor of agriculture, with a specialization in biotechnology from the Wayamba University of Sri Lanka, as well as she is following a Master’s in Molecular Life Sciences. She has a passion for writing and communicating about agriculture topics and loves enthusing people about the botanical world.
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