10 Best Liquid Fertilizer for Lawns Reviews in 2024

A home with a beautiful and well-maintained lawn is always beautiful. Not only does the lawn make your home look nice, but it also increases its value. However, for a lawn to be healthy, it requires a lot of maintenance in feeding fertilizers, shaping, watering, and killing weeds. There are many fertilizers you can use to promote a healthy lawn. Don’t just buy a fertilizer; buy a liquid fertilizer with adequate toxic-free nutrients.

Before you purchase, keep essential considerations in mind, such as safety, type of grass it can work on, application, and ingredients. Most of all, don’t forget to test your soil. With many liquid fertilizers in the market, we are here to make your job simple. Below is our guide to the best liquid fertilizers for lawns.

Things to consider before Buying The Liquid Fertilizer for Your Lawn

Test Your Soil

• Before you review or buy a lawn fertilizer, starting with a soil test is good. A soil test will help you identify the nutrient deficiencies in the ground to make correct adjustments. You can take your soil sample to the local nursery for analysis. The soil will be tested, and you will see the results. After reviewing your soil, the analyst will offer recommendations to determine what to purchase.

Organic or non-organic

• Fertilizer composition is important as it indicates the toxic materials you allow on the lawn. There have been many articles about harmful agricultural products causing severe health problems to farmers and homeowners in recent years. The market has many organic fertilizers for your lawn. To know whether the fertilizer is organic, check for its OMRI certification. By choosing an organic fertilizer, you take a step toward safeguarding the environment.

Can I Apply it to all grass types?

• This is a question you should ask yourself before purchasing the best liquid fertilizer for your lawn. Homeowners don’t check what they are buying, which is a big mistake. Upon application, their grass gets burned, yellowed, or killed completely. Other than relying on the information on Amazon, go deeper into the product’s website for detailed information. Some brands can kill certain types of grass, especially the sensitive ones, even when applied correctly. Sensitive types of grass include Centipede and St. Augustine grass. So, if you have this type of grass, look for their specific fertilizer that won’t cause damage.

Safety

• This is an important consideration to keep in mind. Although good for your lawn, not all fertilizers are safe for your health during application. So, ensure the fertilizer has no harmful substances or toxins that can affect your health. It should not have an irritating smell that can cause headaches or stomach discomfort.

Ingredients

• Most lawns are deficient in phosphorous, iron, nitrogen, and potassium. Luckily, nowadays, most lawn products are adding these essential nutrients in their formulas to boost your lawn and make it appealing. Combining these nutrients helps strengthen the roots and keeps the grass healthy for some time. So, consider buying a product with important nutrients to improve your lawn.

Top 10 Best Liquid Fertilizer Reviews

#10. Simple Lawn Solutions: Extreme Grass Growth Lawn Booster Concentrated Starter Fertilizer

The lawn booster has a high phosphate concentration with humic acid that provides your lawn vertical and lateral growth. With this lawn booster, you can enhance the thickness of your lawn or speed up growth for new seeding. This growth booster intensifies reactions with existing minerals in your soil to help fight mineral deficiencies.

The growth booster contains 6% nitrogen, a major component of chlorophyll where plants get their green coloring. Still, it has 18% phosphorous concentration that promotes root development and early plant development. It is blended with humic acid, increasing fertilizer transfer and enhancing plant growth. In addition, it works well with all grass types, including Buffalo, St. Augustine, Bermuda, Centipede, Florida, Bahia, Fescue, Palmetto, Kentucky Bluegrass, and Ryegrass.

Why We Like It

• It increases lateral and vertical lawn growth
• Contains 6% nitrogen and 18% phosphorous
• Works well for new lawns and lawn repair
• It is suitable for all grass types

Why We Don't Like It

• The sprayer and nozzle are poorly calibrated.

#9. Scotts Liquid Turf Builder Lawn Food Fertilizer

With Scotts liquid lawn fertilizer, you can feed, green, and water your lawn simultaneously. It comes in a 32 fl. Oz bottle with vital nutrients and all the feeding power your lawn requires for rapid growth. The liquid fertilizer can be applied during any season and to any grass type without burning.

The 2-in-1 feed and water lawn fertilizer is formulated to feed and green as you water, and it can cover up to 2 000 sq. ft. Feeding this fertilizer to your lawn regularly will offer the nutrients your lawn requires to withstand stress caused by heat, drought, weeds, and activity. It uses a quality nozzle and sprayer that ensures precise application.

Why We Like It

• It can be applied to any grass type
  Seeds and greens while watering your lawn at the same time
  The fertilizer feeds and strengthens your lawn to protect it from future problems
  It is easy to use and apply
  Small 32 fl. Oz bottle covers up to 2 000 sq. ft

Why We Don't Like It

• The sprayer does not stream well
• It can cause brown spots if not applied well.

#8. Simple Lawn Solutions: Advanced 16-4-8 Balanced NPK Liquid Fertilizer

This is a high-quality liquid fertilizer made from quality ingredients that result in clean NPK liquid nutrients for grass growth. It has a 16-4-8 NPK ratio, which is the perfect blend of macronutrients, plus it also has fish and seafood. The complete phosphate, nitrogen, and potash formula offer your grass greening and growth while offering nutrients to improve your lawn’s look.

It is blended with 4% phosphorous to encourage root development and fast plant development in the early stages. Still, it contains 16% nitrogen and 8% potassium, where nitrogen enhances growth for a dense, attractive lawn. Potassium ensures your lawn can withstand extreme temperatures and harsh conditions while playing a crucial role in transferring nutrients and water regulation.

The lawn fertilizer is great for all grass types, including Kentucky Bluegrass, Bermuda, Centipede, Florida, Zoysia, St. Augustine, Buffalo, Fescue, Palmetto, and Bahia.

Why We Like It

• An ideal choice for any grass type
• Blended with 16% nitrogen, 4% phosphorous, and 8% potassium
• Designed to be easily applied
• Nourishes your lawn with pure liquid nutrients

Why We Don't Like It

• It only has one spray mode
• The bottle design is poor.

#7. Simple Lawn Solutions: Ultimate 3-18-18 NPK- Lawn Liquid Fertilizer

This is another best liquid fertilizer for lawns that works well on different grass types, including Bermuda, St. Augustine, Zoysia, Centipede, Buffalo, Bluegrass lawns, and palmetto. It is made with quality feed ingredients that nourish your lawn to its best. The ingredients include 3% nitrogen which encourages a greener lawn, and 18% phosphorous, which supports root development, and turf establishment.

Furthermore, it has 18% potassium, allowing the lawn to withstand harsh conditions and stress endurance. So, if your lawn has any signs of phosphorous and potassium deficiency, this is the correct fertilizer to use. Thanks to its nozzle and simple sprayer design, the liquid fertilizer is hassle-free to use.

Why We Like It

• Great fertilizer for lawn development
• Made with quality feed grade ingredients
• When not in use, it doesn’t require much space for storage
• Provides coverage of 3 200 square feet with a sprayer

Why We Don't Like It

• The bottle is hard to open
• It takes time to provide results.

#6. PetraTools Liquid 16-4-8 Lawn Nitrogen Fertilizer

The liquid fertilizer has a perfect blend of macronutrients that support all grass types without burning. It has a mix of potassium, phosphorous, and nitrogen that offer an ultimate boost for lawn growth and green grass. Furthermore, the high-purity potassium supplement encourages deeper root development.

It has 16% nitrogen, 8% potassium, and 4% phosphorous, providing bright grass color and healthy plant development. The fertilizer has no toxic substances, allowing kids and pets to play on the lawn even after application. If you are unsure how to apply this fertilizer, take advantage of the included instructions to make your job easy.

Why We Like It

• It has essential nutrients that support all grass types
• Designed to be simple to use and apply
• Non-toxic and pet-friendly

Why We Don't Like It

• It does not come with a sprayer.

#5. Southern Ag Chelated Liquid Iron, 16 OZ Liquid Fertilizer

Southern Ag liquid fertilizer will help your lawn grow healthy, develop stronger roots, and have a green look throughout the year. Other than lawn development, it is designed to correct iron deficiency in vegetables, trees, shrubs, and flowers. Using this liquid fertilizer is simple where you mix it with water and apply it as a drenching spray.

It contains 5% iron that nourishes the grass’s roots and helps improve their color as time goes on. You won’t require to use anything else alongside this liquid fertilizer. The fertilizer doesn’t have a toxic smell that can irritate you during the application, and it is safe for your pets and kids.

Why We Like It

• This liquid fertilizer controls iron deficiency
• You can use it on lawns, flowers, shrubs, trees, and vegetables
• Contains 5% iron
• It comes in multi-packs for a sizeable discount
• 1 gallon treats up to 8 000 sq. ft

Why We Don't Like It

• The cap causes leaks even when tightened well
• Not good for large lawns.

#4. Medina 12-4-8 Ready-to-Spray Liquid Fertilizer

The Medina liquid fertilizer has a 12-4-8 liquid formula with all the essential nutrients you need, and it is designed as a pre-spray product. It has safe ingredients that will support green lawn in no time. Besides, the bottle has a reusable spray nozzle, making it an environmentally-friendly fertilizer. Still, the large sprayer bottle provides extensive coverage of up to 4000 sq. ft.

So, with a single bottle of Medina liquid fertilizer, you can spray your lawn without stopping to make frequent refills. The manufacturer advises using Medina liquid fertilizer between spring and fall to get the best results. Also, you can take advantage of wet grass in the early morning to apply fertilizer to your lawn.

Why We Like It

• It is absorbed fast by the grass and doesn’t take long to offer results
• No assembly is needed
• Works well on different types of grass, especially Bermuda
• A single bottle covers up to 4 000 sq. ft

Why We Don't Like It

• The bottle design is difficult to operate
• Also, the bottle top does not create water tightness with a garden hose

#3. Fertilome (10625) Chelated Liquid Iron liquid Fertilizer

It is a chelated nutritional spray designed to provide quick results. The fertilizer provides a simple correction of iron deficiency and other nutrient deficiencies in plants, citrus, lawns, flowers, and vegetables. The liquid iron readily mixes with water, and it doesn’t contain chemicals or toxins that can burn or yellow your grass. The bottle has a simple design with a cap that locks tightly and opens easily. You will love the fertilizer because it doesn’t have an irritating smell that can make it hard to apply.

Why We Like It

• It is a quick and economical way to correct iron deficiency
• The concentrate readily mixes with water
• It has key micronutrients that make your lawn healthy
• Great for preventing weed development on your lawn

Why We Don't Like It

• It doesn’t work well for sensitive grass types.

#2. Scotts Liquid Turf Builder with Plus 2 Weed Control Fertilizer

It kills common weeds such as dandelions, clover, pigweed, oxalis, lambsquarters, plantain, spurge, poison ivy, knotweed, ground ivy, chickweed, buckhorn, and broadleaf weeds. Weeds will start to curl within a few days, but some hard-to-control weeds will require a repeat application in 3-4 weeks. It is designed with a spray head that enables you to perform lawn care and treatment any time you are ready. You don’t need other tools to use the fertilizer. Just connect, spray, and finish.

It has natural ingredients that go directly to the roots and promote the growth of new plants, and you can use it to enhance the nutrients for grass throughout the season. The liquid fertilizer is safe for all types of grass, and it doesn’t burn your grass. Also, keep in mind that it works very slowly for some time. You will require more than one watering per year to see effective results. Compared to granular fertilizers, Scotts liquid fertilizer offers 35% fast efficiency.

Why We Like It

• It is easy to use; attach the hose and spray
• The product fertilizes your lawn while controlling weeds
• Great for killing dandelions, clover, and other major lawn weeds
• It doesn’t require mixing, and it is great for all types of grass

Why We Don't Like It

• It doesn’t meet the requirements of large lawns
• It takes time to show results.

#1. Revive Ready-to-Spray Soil Builder 64oz Liquid Fertilizer

Review soil builder will help solve brown spot problems, loosen hard soil, and increase water penetration. It has a spray nozzle that is good for smaller areas. Furthermore, it is composed of Lignosulfonates, a perfect slow-release carbon source for soil microbes.

Still, it is fortified with chelated iron and surfactants that revive and improve soil structure, improve nutrient retention, stimulate microbial growth, increase root development, plant stress tolerance, and more vigorous plant growth. It comes with instructions to guide you on how much to use for your lawn.

Why We Like It

• Safe to use around kids and pets
• Great for breaking up and loosening hard soils
• Suitable nutrient-deficient lawns
• It offers good coverage, and no assembly is required

Why We Don't Like It

• It burns certain types of grass.

Summary

Overall, we hope our post was helpful so that you can find the best liquid fertilizer for your lawn. We all have different preferences for choosing fertilizers, but our review has a fertilizer for you no matter your needs. Just make sure you know what your lawn needs for you to get the perfect fertilizer. The best way to know what your lawn needs is by doing a soil test. A soil test will give you the way forward as you will know what needs to be added to make your lawn healthy.