Liquid fertilizers have become increasingly popular among lawn care professionals and homeowners. You can now find this fertilizer as an all-liquid fertilizer or opt for supplemental feedings. Applying liquid fertilizer to your garden or lawn adds much-needed nutrients. That said, it can be daunting to settle on the right fertilizer, given the different brands in the market, so we present our list of the top 11 best liquid fertilizers to help you choose.
In this comprehensive buyer’s guide, we list some of the best liquid fertilizers. We also look at how they work, their benefits, and some factors to consider when buying a liquid fertilizer.
11 Best Liquid Fertilizers – Our List
FoxFarm Liquid Nutrients
FoxFarm Grow Big Soil Liquid Concentrate Fertilizer is one of the brands that redefines this industry. Apart from being an organic-based concentrate with a blend of both macro and micronutrients, this fertilizer can cover up to 20,000 square feet of space when mixed properly.
Another reason why we picked the FoxFarm liquid fertilizer as our top pick is that you can use it on your lawn and other areas like gardens, flower beds, herbs, and more. It comes packed with nitrogen, phosphorous, and potassium to enhance growth and deliver that green appearance to your lawns.
On the downside, the liquid concentrate fertilizer may crystallize if you use it for a long time. That means it will not break down and reach the base and roots of your lawn. So it’s best to use it within a few seasons.
Overall, the FoxFarm Grow Big Soil Liquid Concentrate Fertilizer is a great choice for anyone looking for an organic-based fertilizer with a blend of macro and micronutrients. The fact that you can use it on both the lawn, gardens, herbs, and other areas makes it versatile, and it is one way to get value for your money.
- Volume: 2.5 Gallons
- Liquid/Granular: Liquid
- Ideal for both lawns and gardens
- Packed with nitrogen, phosphorous, and potassium
- Covers up to 20,000 sq. ft
- Crystalizes after some time
- Causes phosphorous runoff
Neptune’s Harvest Fish & Seaweed Fertilizer
Neptune’s Harvest Fish and Seaweed Fertilizer is a blend that includes a variety of fresh fish caught in the N.Atlantic and seaweed. With an NPK ratio of 2-3-1, the fertilizer also has a combination of other growth hormones, vitamins, enzymes, and amino acids.
Nitrogen and other nutrients are chelated, which means they are readily available for plant consumption.Â Unlike other formulations, this liquid fertilizer retains fish oils and proteins to encourage plant development and color. The product has also increased plant resistance in adverse environmental conditions like extreme heat or early frost.
When using the Neptune blend, you’ll need to mix a tablespoon per gallon of water and feed for houseplants every two to three weeks. Mix an eighth of a cup per gallon of water for outdoor plants and feed your flowers, vegetables, and trees every 2-3 weeks.
- Volume: 1 gallon
- Liquid/granular: Liquid
- Increases yields
- Promotes colorful foliage and flowers
- Improves the shelf life of fruits and vegetables
- Unpleasant smell
Miracle-Gro Liquid Plant Fertilizer
Miracle-Gro Liquafeed Bloom Booster Fertilizer is specially formulated for beautiful blooms. This liquid fertilizer promotes blooming for enhanced color. Feeding your flowers is never easy, butÂ Miracle-Gro has designed the bottle for easy feeding.
You also won’t need to feed your flowers regularly. Adding the fertilizer every two weeks is enough to add the necessary nutrients to your blooms. Every bottle of the Liquafeed Bloom Booster covers up to 400 square feet of space in 15 mins.
The best thing is to use this liquid plant food for both container or in-ground flowering plants.
- Volume: 2.6 liters
- Liquid/granular: Liquid
- Ideal for in-ground and container flow
- Enhances flower colors
- Doesn’t require regular feeding
- Safe for use on all flowers
- Formulated for flowers only
PetraTools Liquid Dethatcher
PetraTools Liquid Dethatcher is a unique formulation designed to reduce thatch, grass clippings, and other organic waste. The product works by decomposing any waste products. It improves nutrients and water penetration while also enhancing the quality of your soil drainage.
You do not have to worry about adding toxins to your lawns as this liquid dethatcher is 100% organic and safe for the lawn. It features a blend of carbohydrate-rich molasses, organic biostimulants, and humic acids to promote microbial activities and enhance penetration.
There is no need to use garden rakes to clear out thatch. All you need is to attach it to the PetraTools battery sprayer for fast and effective results in the growing season. Furthermore, this formulation comes in three different sizes, which allows you to pick the correct quantity depending on the size of your lawn.
According to the manufacturer’s instructions, shake the product well before opening. You should combine 4-8 ounces of the product per gallon of water in a sprayer. Spray this solution early in the morning for best results. You can reapply as the need arises.
- Volume: 8 ounces, 32 ounces, 1 gallon
- Liquid/Granular: Liquid
- 100% organic
- Fast and straightforward to use
- The packaging is not the best
Scotts Liquid Turf Lawn Food Fertilizer
The Scotts Liquid Turf Lawn Food Fertilizer is from a renowned brand. It not only feeds your lawn with essential nutrients but also improves greening. You need to use this liquid fertilizer when your lawn is actively growing.
Another advantage of Scotts Liquid Food fertilizer is that you can apply it to any grass type as it is simple to apply. You can use it during any season as long as the grass is actively growing. Being a 2 in 1 formulation means that you can feed and green your lawn as you water. With theÂ 0.94 liters, you can cover up to 2,000 square feet of space.
The liquid fertilizer has high nitrogen content and comes with an NPK ratio of 29-0-3. Designed as a turf builder, the fertilizer is quick and straightforward to apply as you can attach it to a hose pipe and spray.
The Scotts fertilizer is known for its ability to kill weeds effectively. You should see results within 24 hours after applying this fertilizer. Note that you may need to spray the liquid fertilizer directly onto the weeds to destroy them.
To use this fertilizer, shake it and connect the sprayer to the hose. Turn on the water and point the nozzle in the direction you intend to spray. Spray the formulation evenly over the measured area, ensuring that you start with the furthest point. Switch off the sprayer and turn off the water. Disconnect the sprayer from the hose.Â Read the label for product instructions.
Overall, Scotts Liquid Turf Lawn Food Fertilizer is an excellent product that delivers nutrients to your lawn throughout the season. You also get to save time thanks to the spray bottle that you can connect to your hose pipe. The liquid fertilizer is ideal for an average-sized lawn with brown patches or a space that requires treatment due to weeds.
- Volume: 0.94 liters
- Liquid/granular: Liquid
- Simple to use
- High nitrogen content
- Kills common weeds effectively
- Sprayer challenging to use
- Bad composition
11 Best Liquid Fertilizers FAQs
Is liquid fertilizer better?
Liquid fertilizer has its advantages, but it’s not any better than granular fertilizer. The benefits of liquid fertilizers are that they are simple to apply, a fast-acting feed, and you get lots of usage from a single bottle.
However, you may find some liquid concentrate fertilizers to be expensive, and you may need several applications throughout the growing season, unlike when using granular fertilizers.
Does liquid fertilizer need to be watered in?
Yes, you need to water in the liquid fertilizer as this pushes the fertilizer right into the soil to supply the necessary nutrients.
Failure to water your lawn or plants may cause the fertilizer to be stuck on the grass blades.
Does rain wash away liquid fertilizer?
Heavy and prolonged rain can wash away liquid fertilizer. Experts recommend applying the fertilizer to your garden or lawn before heavy rainfall to ensure that the product seeps into the soil.
How do you apply liquid fertilizer to potted plants?
Applying liquid fertilizer to potted plants requires you to mix the right amount of liquid fertilizer and water in a watering can.
Then, pour this mixture into the soil like you would when watering the plant. Alternatively, you can put this mixture into a spray bottle and spray it on the leaves for foliar feeding.
11 Best Liquid Fertilizers – Conclusion
Liquid fertilizers are a great choice as they absorb into the soil quickly and are fast to apply compared to granular fertilizers.
Our buyer’s guide above has some helpful tips and some of the best liquid fertilizers in the market. We also found Foxfarm Liquid Fertilizer an excellent pick as it works for both lawns and gardens. It is also packed with nitrogen, phosphorus, and potassium to add nutrients to the soil.