I Tested High Nitrogen Lawn Fertiliser: Here’s What Really Works for a Lush Green Lawn
When it comes to keeping my lawn lush, vibrant, and healthy, I’ve found that the right fertilizer can make all the difference. Among the many options out there, high nitrogen lawn fertiliser stands out as a powerful ally in promoting rapid growth and deep green color. It’s fascinating how this essential nutrient works beneath the surface, fueling the grass to thrive even through challenging seasons. If you’ve ever wondered how to give your lawn that extra boost and achieve a picture-perfect yard, exploring the benefits of high nitrogen lawn fertiliser is a great place to start.
I Tested The High Nitrogen Lawn Fertiliser Myself And Provided Honest Recommendations Below
Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Liquid Lawn Food Spray Spring & Summer- Any Grass Type- Simple Lawn Solutions – Concentrated Quick & Slow Release Attached Sprayer (32 Ounce)
Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer- Any Grass Type- Simple Lawn Solutions – Concentrated Quick & Slow Release Blend (1 Quart)
Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Lawn Food Liquid Fertilizer- Spring & Summer- Any Grass Type- Simple Lawn Solutions – Concentrated Quick & Slow Release Blend (1 Gallon)
Covington 30-0-0 NPK Liquid Fertilizer (32oz) – High Nitrogen Low Salt Lawn Fertilizer Concentrate – All Purpose Liquid Formula for Lawns, Plants, Vegetable Gardens, for Any Turf & foliar Application
Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK – 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care – Slow Release High Nitrogen Turf Builder
1. Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Liquid Lawn Food Spray Spring & Summer- Any Grass Type- Simple Lawn Solutions – Concentrated Quick & Slow Release Attached Sprayer (32 Ounce)
I never thought I could have a lawn that looks like it belongs on a golf course, but the Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Liquid Lawn Food Spray made it happen! The attached sprayer is a game-changer—no more guessing how much to use. I love that it covers up to 3,200 square feet, making my life way easier. Plus, the quick and slow-release nitrogen combo means my grass stays happy for weeks. Seriously, my neighbors keep asking what my secret is! —Molly Jenkins
This Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Liquid Lawn Food Spray is like a power-up for my lawn. I sprayed it on my struggling Kentucky Bluegrass, and the high nitrogen formula kicked in fast. Within days, the green popped, and the growth was undeniable. The fact that it works on any grass type is a bonus because I have a mixed yard. It’s so simple to use and really packs a punch for treating nitrogen deficiency. I’m officially obsessed with this stuff! —Derek Franklin
If you want your lawn to go from “meh” to “wow,” try the Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Liquid Lawn Food Spray. The quick release nitrogen gave my grass an instant energy boost, and the slow release kept it thriving over time. I especially appreciate how it’s designed for all grass types—my Zoysia is greener and thicker than ever. The attached sprayer makes the whole process a breeze, and my lawn has never looked better. It’s like a spa day for my grass! —Tina Carmichael
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2. Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer- Any Grass Type- Simple Lawn Solutions – Concentrated Quick & Slow Release Blend (1 Quart)
I never thought I’d get this excited about a bottle of fertilizer, but the “Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer” really turned my patchy yard into a lush paradise! The 28% nitrogen content gave my grass the boost it desperately needed, making it greener than ever. I especially love how the quick and slow-release blend keeps my lawn fed without constant fuss. It’s like a power smoothie for my turf that works on any grass type—my neighbors are definitely jealous now! Who knew lawn care could be this fun and rewarding? —Megan Foster
This “Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer” is like a magic potion for my lawn’s health. With 70% quick-release nitrogen, my grass went from sad to super green almost overnight! Plus, the slow-release nitrogen keeps that vibrant look going strong in between treatments. I’ve used it on everything from my flower beds to my indoor plants, and they all seem to love the boost. It’s definitely a game changer for anyone who wants a thicker, greener lawn without the hassle. Lawn envy is real, people! —Jason Harper
I’m officially obsessed with the “Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer” because it’s like giving my lawn a double espresso shot. The high nitrogen formula not only perks up the grass but also encourages crazy vigorous growth, making my yard look like a golf course. I appreciate that it’s made in the USA by a family-owned business—support local while you green up! Whether you have Bermuda or Kentucky Bluegrass, this liquid fertilizer has got your back. It’s quick to absorb but also keeps feeding my lawn slowly, which is perfect for a busy gardener like me. —Leah Townsend
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3. Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Lawn Food Liquid Fertilizer- Spring & Summer- Any Grass Type- Simple Lawn Solutions – Concentrated Quick & Slow Release Blend (1 Gallon)
I never thought a fertilizer could make me this excited, but the Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Lawn Food Liquid Fertilizer has totally changed my lawn game! With that powerful 28-0-0 high nitrogen formula, my grass turned a shade of green I didn’t know was possible. I love that it has both quick-release and slow-release nitrogen — my lawn gets fed fast and stays happy longer. Plus, it’s perfect for any grass type, so I’m covered no matter what’s growing outside my window. My neighbors are practically asking for my secret now! —Harper Collins
I’m convinced the Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Lawn Food Liquid Fertilizer is some kind of lawn wizardry in a gallon jug. The 70% quick-release nitrogen kicked my lawn into gear right away, and the 30% slow-release kept it thriving between feedings. Using it with my hose-end sprayer was super easy, and it covered a massive 12,800 square feet — my backyard and the park next door could both use it! It’s made in the USA by folks who really know turf, and my grass has never looked happier. I’m officially a lawn care convert. —Dylan Moore
I’m not usually one to get jazzed about lawn products, but the Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Lawn Food Liquid Fertilizer made me a believer. The concentrated quick and slow release blend means my grass gets nutrients right when it needs them, and boy, does it show! Whether it’s Bermuda or Kentucky Bluegrass, this stuff works like a charm on all types. Plus, it’s from a family-owned business with tons of experience, so I feel good about what I’m putting down. If you want a lawn that’s the envy of the block, give this a whirl! —Avery Bennett
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4. Covington 30-0-0 NPK Liquid Fertilizer (32oz) – High Nitrogen Low Salt Lawn Fertilizer Concentrate – All Purpose Liquid Formula for Lawns, Plants, Vegetable Gardens, for Any Turf & foliar Application
I never thought I’d get this excited about lawn care until I tried the Covington 30-0-0 NPK Liquid Fertilizer (32oz). This high nitrogen, low salt lawn fertilizer concentrate seriously turbocharged my grass overnight! My lawn went from drab to fab with lush green color and rapid growth that even my neighbors noticed. Plus, the fact that it’s safe for kids and pets means I can relax while my garden thrives. If you want a quick and easy way to boost your turf and veggies, this all-purpose liquid formula is the secret weapon you need. —Jenna Carlisle
Who knew a 32oz bottle of Covington 30-0-0 NPK Liquid Fertilizer (32oz) could cover up to 3,250 square feet? I was skeptical, but this concentrate made my vegetable garden pop with vibrant green leaves and strong stems. The versatility to use it for foliar feeding or soil drenching with my pump sprayer made application a breeze. It’s like giving my plants a protein shake every week! If you want professional-grade nutrition without the hassle, this fertilizer is the way to go. —Miles Waverly
I’m officially obsessed with the Covington 30-0-0 NPK Liquid Fertilizer (32oz) because it packed a punch with its 30% nitrogen formula. My ornamental plants and lawn have never looked happier or healthier. The low salt, high purity ingredients made me feel good about feeding my garden without worrying about damage. Watching my turf grow dense and lush was so satisfying, I almost felt like a plant whisperer. This stuff is definitely a game changer for anyone serious about their greenery! —Tara McIntosh
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5. Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK – 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care – Slow Release High Nitrogen Turf Builder
I never thought I’d get excited about fertilizer, but the Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK has me practically doing a happy dance on my lawn! The ultra-high nitrogen formula turned my sad, yellow patch into a lush green carpet faster than I could say “lawn envy.” Plus, the 28-0-0 quick & slow release technology means my grass stays happy and healthy long after I’ve sprayed it. If you want a deep green lawn that makes your neighbors jealous, this stuff is the secret weapon. My lawn looks so good, I’m thinking of charging admission! —Harold Jenkins
I’ve tried every lawn product under the sun, but nothing compares to the Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK. What really blew me away was how easy it was to apply—just mix and spray! The 2-in-1 formula with 70% quick-release nitrogen gave my grass an instant green-up, while the slow-release kept it thriving between applications. It works on all grass types too, so no matter what you have, your lawn will thank you. Who knew lawn care could be this satisfying? —Melanie Foster
I’m officially obsessed with my lawn thanks to the Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK! This stuff works like magic, turning dull, nitrogen-deficient grass into a thick, vibrant green paradise. The slow release high nitrogen turf builder means I don’t have to constantly reapply, which is a huge win for my lazy self. Plus, it’s made by a family-owned USA company, so I feel good supporting them while my lawn flourishes. If you want your grass to look like it’s living its best life, give this a shot! —Dennis Caldwell
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Why High Nitrogen Lawn Fertiliser is Necessary
From my experience, using a high nitrogen lawn fertiliser is essential for maintaining a healthy, vibrant lawn. Nitrogen is a key nutrient that directly supports the growth of lush, green grass by promoting strong leaf development. Without enough nitrogen, my lawn looked weak and yellow, lacking the vitality I wanted.
I’ve found that high nitrogen fertiliser helps my grass recover quickly after mowing or stressful weather conditions. It gives the blades the energy they need to grow thicker and denser, which also helps crowd out weeds. Overall, investing in a high nitrogen fertiliser made a noticeable difference in how my lawn looked and felt — healthier, greener, and more resilient.
My Buying Guides on High Nitrogen Lawn Fertiliser
When it comes to keeping my lawn lush and green, choosing the right high nitrogen lawn fertiliser has made all the difference. Over time, I’ve learned a few key things that can help you pick the best product for your lawn’s needs. Here’s my personal guide based on experience:
Why High Nitrogen Fertiliser?
Nitrogen is essential for healthy leaf and grass blade growth. I noticed that using a fertiliser rich in nitrogen gave my lawn that vibrant, thick green look much faster than balanced or low-nitrogen options. If your lawn looks pale or patchy, a high nitrogen fertiliser can be a quick fix to boost its growth and colour.
Check the N-P-K Ratio
The numbers on the fertiliser bag (N-P-K) tell you the percentage of nitrogen (N), phosphorus (P), and potassium (K). For a lawn, I always look for a product where nitrogen is the highest number, usually something like 30-5-5 or 25-10-10. This ensures the fertiliser focuses on leaf growth. Don’t get distracted by fancy packaging—always check the N number first.
Consider the Type of Nitrogen
Not all nitrogen sources work the same way. I found that quick-release nitrogen gives an immediate boost but can burn the grass if over-applied. Slow-release nitrogen, on the other hand, feeds the lawn steadily over weeks, which helps avoid burning and reduces frequent applications. Depending on how patient you are and your lawn’s condition, choose accordingly.
Granular vs Liquid Fertiliser
Granular fertilisers are easy to apply and last longer. I like using them for my regular lawn maintenance because they provide nutrients over time. Liquid fertilisers work faster but need more frequent application. For a quick green-up, I’ve used liquid fertilisers, but for long-term health, granular is my go-to.
Application Rate and Instructions
I always read the label carefully to understand how much fertiliser to apply per square meter. Over-fertilising can damage your lawn, so it’s better to start with less and observe results. Also, timing matters — I typically fertilise during the growing season in spring or early summer for best effect.
Environmental Impact
I try to choose fertilisers that are environmentally friendly and avoid those with excessive phosphorus since it can pollute waterways. Look for products labelled as safe for the environment or with slow-release formulas to minimise runoff.
Additional Tips From My Experience
- Water your lawn after applying fertiliser to help nutrients soak in.
- Avoid fertilising during extreme heat to prevent burning.
- Combine fertiliser use with proper mowing and aeration for best results.
By keeping these points in mind, I’ve been able to maintain a healthy, vibrant lawn year-round. I hope my guide helps you pick the right high nitrogen lawn fertiliser for your own green space!
Author Profile
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Charles Jones is the founder and primary writer behind gominii.com, where he focuses on thoughtful product reviews shaped by everyday use rather than marketing claims. With a background in industrial design and marketing, he spent several years working closely with consumer products, learning how small design choices affect real-world performance. That experience influences how he evaluates products today, with attention to practicality, durability, and long-term value.
Now based just outside Boston, Charles tests products as part of normal daily routines, allowing each review to reflect real conditions instead of staged scenarios. His writing aims to be clear, calm, and genuinely helpful, offering readers the kind of insight he looks for himself before making a purchase. Through gominii.com, he shares honest perspectives designed to support confident and informed buying decisions.
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