Fertilizers are packed with essential nutrients that aid in the growth of plants. There are various fertilizers in the market that promise to improve the quality of plants and boost growth. However, high nitrogen fertilizers are an excellent choice as they contain nutrients meant for vegetative growth and development.
These fertilizers have a high nitrogen concentration and may have other elements like potassium and phosphorus to enhance root development.
Read on to learn more about some of the best nitrogen fertilizers in the market. We also cover some aspects to consider when shopping for the best slow-release nitrogen fertilizer for lawns.
LawnStar Starter Liquid Fertilizer
We picked the LawnStar Nitrogen Rich Liquid fertilizer as our top pick as it comes with a unique macronutrient blend with three different sources of nitrogen. With that, you can be assured that your soil will immediately get direct nitrogen, and you’ll enjoy the results all season.
The blend has phosphorous to encourage lawn establishment by ensuring the roots take a hole, while the potassium promotes root development, provides a stable foundation, allows your shoots to sprout quickly, and enhances the stress tolerance of any green vegetation.
You can treat up to 10,000 square feet of lawn or garden with this liquid fertilizer. Also, it’s safe for both cool and warm-season types of grass. The manufacturer provides a 30-day warranty with every purchase.
The manufacturer recommends applying the LawnStar Nitrogen Rich Liquid fertilizer before seeding, plugging, or sodding to get the best results. This product is compatible with your hose-end sprayer and pump-up garden sprayers. All you need is to mix the fertilizer according to the instructions on the bottle.
Lawn Solutions Liquid Fertilizer
You can also use this high nitrogen liquid fertilizer to treat a nutrient deficiency as it has a ratio of 28-0-0.
Another fascinating thing about this liquid fertilizer is the power of quick release and slow-release nitrogen. The slow-release nitrogen ensures that your lawn is fed in between applications, while the quick-release nitrogen stimulates the green color and promotes growth.
Unlike other nitrogen fertilizers, the Maximum Green and Growth nitrogen fertilizer come with high-quality feed-grade compounds that nourish your lawn. In addition, its liquid form allows you to apply it easily and quickly.
You can use this formulation on all grass types, including Florida Palmetto, Buffalo, Zoysia, Bermuda, Bahia, St.Augustine, Kentucky Bluegrass, and Ryegrass.
Overall, the Maximum Green & Growth High Nitrogen Fertilizer is perfect if you want to add that dark green color to your lawn, treat nitrogen deficiency, or boost lateral and vertical growth.
Dr. Earth Nitrogen Fertilizer
The high nitrogen fertilizer has elements designed to provide the soil with healthy nutrition. You can comfortably plan your soil fertilizing schedule as the fertilizer comes in both one-gallon or 32 ounces can. The budget-friendly fertilizer is ideal whether you’re planning on growing vegetables or fruits.
Being an all-natural fertilizer with a blend of feather meal, fishbone meal, and mined potassium sulfate means that it’s free from toxins and pathogens. In addition, Dr. Earth Natural and Organic Nitrogen fertilizer preserve the organic food quality, which means you can enjoy your foods without worrying about toxins affecting your health.
You can use the natural fertilizer every 28 days or fortnight, but this depends on the climatic conditions and the size of your lawn. The liquid fertilizer can be applied directly to the soil around the base of plants or applied using a foliar spray.
Overall, Dr. Earth Nitro Big Nitrogen Fertilizer is the best high nitrogen fertilizer containing quality natural ingredients to promote compact and lush vegetative growth. In addition, it works like a multi-vitamin, providing essential nutrients for a healthy garden.
Opulent Nickel Liquid Fertilizer
The Opulent Nickel Liquid Fertilizer is derived from Nickel and helps in disease tolerance, nitrogen, fixation, to reapply the fertilizer like liquid fertilizers regularly and metabolism. Available in liquid form, this fertilizer has nickel that hydrolyzes urea to make nitrogen available to your plants.
Opulent Nickel liquid fertilizer acts as the best low nitrogen fertilizer, ensuring that you don’t have stunted growth and preventing the accumulation of high urea levels.
Milorganite Organic Nitrogen Fertilizer
The slow-release formulation not only works for your lawn, but it’s also suitable for your flowers, trees, and other vegetation. It works for close to ten weeks as it uses non-burning, slow-release nitrogen. That means you can wait for in-between applications.
Furthermore, you get to conserve water and reduce mowing as you don’t need to reapply the fertilizer after two weeks. The brand has been in the market for over 90 years, which means it’s been proven effective.
The fertilizer is available in a granular form, and you can cover over 2,000 sq. ft with the 36-pound bag. All you need is to apply the granules evenly onto the soil during the growing season to enhance growth and stimulate the lush green color. The addition of water-soluble iron adds essential elements for growth.
Moreover, you can use this fertilizer in dry conditions as it doesn’t contain salts.
Nitrogen Fertilizer FAQs
What is the best source of nitrogen for plants?
The best source of nitrogen comes from compost and manure.
Adding them to your plants not only improves soil, but they stimulate the growth of stems and leaves. Nitrogen also provides a dark green color to the plants.
How can I get nitrogen naturally?
You can add nitrogen to your soil by spreading grass clippings as mulch. Also, using a green manure crop or adding composted manure helps to add nitrogen.
Another excellent way to get nitrogen naturally is to mix coffee grounds in the soil or plant nitrogen-fixing plants.
Do Coffee grounds add nitrogen to soil?
Coffee grounds contain a good amount of nitrogen, phosphorus, and potassium. They can be mixed directly into the soil or added to a compost pile.
Although coffee grounds may take time to break down and release nitrogen into the soil, they improve drainage and help aerate the soil.
When should I use nitrogen fertilizer?
If your soil has nitrogen deficiencies, you should use a nitrogen fertilizer and notice signs like stunted growth or yellowing leaves.
Nitrogen fertilizers can also be used to improve plant growth and add the lush, green color to your lawn or vegetables.
Finding the best high nitrogen fertilizer shouldn’t be overwhelming.
Our detailed buyer’s guide lists some of the top five fertilizers to consider depending on your needs and budget. We also listed some factors to consider when choosing the best fertilizer for your plants or lawn. Our top pick is the LawnStar Nitrogen Rich Liquid Fertilizer, as it’s ideal for both gardens and lawns.
It’s easy to apply and suitable as a starter fertilizer as it provides nutrients for bulbs and seedlings.