6 best liquid fertilizers

Liquid fertilizers are a type of plant nutrient solution used in gardening and agriculture to provide essential elements to plants in a liquid form. They offer several advantages, including quick absorption by plants and ease of application. Here's what you need to know about liquid fertilizers:

Nutrient Content: Liquid fertilizers contain essential nutrients that plants require for growth. These nutrients typically include nitrogen (N), phosphorus (P), and potassium (K), often referred to as NPK. Additionally, they may contain micronutrients like iron, manganese, zinc, and copper.
Quick Absorption: Liquid fertilizers are rapidly absorbed by plant roots, making them an excellent choice for quickly addressing nutrient deficiencies or providing a boost of nutrients to plants.
Convenience: Liquid fertilizers are easy to apply, either by mixing with water and watering the plants or through foliar spray applications. This makes them suitable for a wide range of gardening and farming practices.
Precision: Liquid fertilizers allow for precise control of nutrient application rates. Gardeners can adjust the concentration of the fertilizer to meet the specific needs of their plants.
Foliar Feeding: Liquid fertilizers can be applied directly to plant leaves, a method known as foliar feeding. This is particularly useful when plants have difficulty absorbing nutrients from the soil due to soil conditions or root issues.
Organic and Synthetic Options: Liquid fertilizers are available in both organic and synthetic formulations. Organic liquid fertilizers are derived from natural sources, such as compost, fish emulsion, or seaweed, while synthetic options are chemically formulated.
Application Frequency: Liquid fertilizers are often applied more frequently than granular or slow-release fertilizers. The frequency of application depends on the type of plants, soil conditions, and the specific formulation of the liquid fertilizer.
Specialized Formulations: Some liquid fertilizers are designed for specific purposes, such as promoting flowering, fruiting, or root development.Others are tailored to certain plant types, like roses or tomatoes.
Compatibility: It's essential to check the compatibility of liquid fertilizers with other chemicals, such as pesticides or herbicides, to avoid adverse interactions. Mixing incompatible products can harm plants or reduce their effectiveness.
Storage: Liquid fertilizers should be stored according to the manufacturer's recommendations, typically in a cool, dry place away from direct sunlight. Proper storage ensures the stability and effectiveness of the product.
Safety: When handling liquid fertilizers, it's important to follow safety guidelines, including wearing protective clothing and avoiding contact with skin, eyes, and mucous membranes.
Environmental Considerations: Be mindful of over-application, as excess nutrients can run off into water bodies and contribute to water pollution. Follow recommended application rates to minimize environmental impact.

Liquid fertilizers offer flexibility and convenience in meeting the nutrient needs of plants, making them a valuable tool for gardeners and farmers looking to optimize plant health and productivity. However, it's crucial to choose the right formulation for your specific plants and gardening goals.

Below you can find our editor's choice of the best liquid fertilizers on the market

Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated Spray - Any Grass Type - Simple Lawn Solutions (32 Ounce)

Based on 4 reviews Check latest price

Product description

Simple Lawn Solutions: 16-4-8 is an all in one balanced Lawn Food Liquid Fertilizer. Made from high-quality ingredients resulting in a very pure and clean NPK liquid nutrients. 16-4-8 is designed to give your turf green & growth while providing just enough energy for root vigor. If you want a balanced Lawn Food to maintain a beautiful lawn this Lawn Food is perfect for you! Great for any grass type, including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass. Give your lawn the key macronutrient treatment it needs.

16-4-8 liquid spray fertilizer is a lawn nutritional liquid designed to provide an established lawn with key nutrients or treat a lawn with Nitrogen Phosphorus Potassium nutrient deficiencies. Be sure to keep your lawn watered sufficiently to ensure nutrients are absorbed properly.

Features and benefits:

· Premium 16-4-8 Balanced Lawn Food

· Nitrogen, Phosphorus & Potassium Nutrients

· Also Contains Seaweed and Fish

· Made with Feed Grade Ingredients

· Great for Every Grass Type

· Concentrated Solution

· Made & Manufactured in the USA

· Used Commercially

Complete NPK Lawn Food: 16-4-8 is the perfect blend of key macronutrients. This lawn liquid food turf fertilizer also contains Seaweed & Fish.
Contains High Quality Feed Grade Ingredients: Nourish your lawn with pure liquid Nutrients in a ready to use sprayer
Easy To Use: Designed to be easily applied. This complete Nitrogen, Phosphate and Potash formula gives your grass greening & growth while providing nutrients for lush lawns
All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass
Produced In The United States: 16-4-8 is manufactured in the United States of America, by a family owned business with 25 years of former experience in the commercial professional turf industry.

User questions & answers

Question:	Would I have to apply seed if there wasn’t any grass
Answer:	Assuming this is a joke. If you’re seeding don’t use any fertilizer to start. The grass seed needs to germinate before ever applying fertilizer.
Question:	Can i use it with a tow behind sprayer? What would be the mix ratio
Answer:	Not sure what the ratio would be but if you contact them I'm sure you'll get a prompt answer, customer service is great
Question:	How much area covered by one bottle
Answer:	Hi there, The bottle will cover up to 3,200 square feet.
Question:	Can you also use on a garden
Answer:	If you apply monthly. the lawn begins strengthening. In time you will notice less stress to your lawn from the heat and lack of water during the hot days. This is mainly due to the Organic kelp found in this product. Look at label and keep away from Muriate of potash if its in your Label. That is basically Chlorine and that will dry out your soil and kill microbes that turn organic waste into food for Roots. Does the same for Gardens Too

Miracle-Gro Liquafeed All Purpose Plant Food, 4-Pack Refills

Miracle-Gro

Based on 2 reviews Check latest price

Product description

Grow bigger, better flowers, vegetables, trees, shrubs, and houseplants compared to unfed plants with the help of Miracle-Gro LiquaFeed All Purpose Plant Food. Feeding is as easy as watering. Just use a Miracle-Gro LiquaFeed Feeder and apply to your plants every 1-2 weeks. This refill pack does not come with the LiquaFeed Advance Feeder or dosing spoon.

Feeding is as easy as watering
For flowers, vegetables, trees, shrubs and houseplants
Use with a Miracle-Gro LiquaFeed Universal Feeder
Each bottle feeds up to 400 sq. ft.
Feed every 1-2 weeks

User questions & answers

Question:	Can this be diluted in water to be used as a hydroponic nutrient
Answer:	We do not recommend using Miracle-Gro LiquaFeed All Purpose Plant food for hydroponic growing.
Question:	Will this work for st Augustine grass
Answer:	While Miracle-Gro LiquaFeed is safe for use on all lawns types, plant foods are not the best choice for a lawn because the NPK ratio is not optimized for lawn needs. For best results, use a fertilizer specifically formulated for lawns.
Question:	Is there a dosing spoon in the four pack of liquid feed
Answer:	There is no need for a spoon. You need the Miracle Gro sprayer device to attach to the garden hose and the bottle screws into it to dispense the proper amount of fertilizer.
Question:	How much should I add to 1 gallon of water to feed with a regular can
Answer:	The manufacture won't tell you, they just ask you buy the Garden Feeder(Only their own brand).Based on the performance of the Garden Feeder, (total amount of solution output for a single bottle of LiquaFeed)The answer is about 0.3oz OR 9ml OR 1.5-2 tsp per gallon.

Product features

Selecting Your Miracle-Gro LiquaFeed System

Miracle-Gro LiquaFeed Universal Feeder

18-3-6 Liquid Fertilizer (50% SRN & Micronutrients) (2.5 Gallons)

Based on 123 reviews Check latest price

Product description

A 18-3-6 slow release fertilizer with micronutrients. 18% Nitrogen promotes rapid growth and leaf development; 3% Phosphorus plays a key role in early root growth; 6% Potassium increases resistance to drought and disease. Micro-nutrients aid in plant growth, aesthetic appeal, and overall plant health. Product contains 50% SRN (Slow Release Nitrogen) for long lasting feeding. GUARANTEED ANALYSIS: 18% Nitrogen | 3% Available Phosphoric Acid | 6% Soluble Potash | .05% Copper .1% Iron .05% Manganese .05% Zinc

BENEFITS: All purpose fertilizer designed to be used throughout the growing season that provides readily available nutrients AND extended, long lasting nitrogen (Product contains 50% SLOW RELEASE NITROGEN (SRN))
BONUS: Micro-nutrients aid in plant growth, aesthetic appeal, and overall plant health.
DIRECTIONS FOR ORNAMENTALS: Mix 1-2 oz of fertilizer to 1 gallon of water and water plants generously. Use fertilizer once every two weeks. DIRECTIONS FOR TURF: Use 3 oz. of fertilizer for every 1000 sq. ft. Mix in a spray tank at ratio of 1-3 oz per gallon of water. Fertilize once every 2-4 weeks.
GUARANTEED ANALYSIS: 18% Nitrogen | 3% Available Phosphoric Acid | 6% Soluble Potash | .05% Copper .1% Iron .05% Manganese .05% Zinc

User questions & answers

Question:	Can it be mixed with Tenacity, mixed with Surfactant and Lazer
Answer:	Fertilize early morning. Water in within 24 hours. Reapply every 2 to 4 weeks. Use during growing season.
Question:	Do you need to add a liquid herbicide dye still to see sprayed areas for lawn application
Answer:	Yes safe for the new grass
Question:	How many oz per 1000 sq ft for the lawn
Answer:	Simple Lawn Solutions: 16-4-8 is an all in one balanced Lawn Food Liquid Fertilizer. Made from high quality, natural ingredients resulting in a very pure and clean NPK liquid nutrients. 16-4-8 is designed to give your turf green & growth while providing just enough energy for root support, health and strength. Great for any grass type, including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass.
Question:	Can I use it anytime ? How often can I use it
Answer:	No issues

Triple 10 All Purpose Liquid Fertilizer 10-10-10 with Amino Acids (5.5%) & Seaweed Extract (32oz)

Based on 347 reviews Check latest price

Product description

10-10-10 with Amino Acids (5.5%) & Seaweed Extract is a generic liquid fertilizer designed for all stages of plant growth.

ALL PURPOSE: 10-10-10 with Amino Acids (5.5%) & Seaweed Extract is a generic liquid fertilizer designed for all stages of plant growth.
USE SITES: Great for gardens, flowers, fruits, vegetables, turf grasses etc.| Suitable for indoor & outdoor use
USAGE RATES: 1-2 oz per gallon of water (it's better to start at a lower rate and work your way up) | Water generously & continue use every 1-2 weeks
HIGH CONCENTRATE: Makes up to 32 gallons of fertilizer
MEASURE & POUR: Comes in an easy measure and pour bottle that allows the end-user to measure and pour a specific dosage by simply squeezing the bottle.

User questions & answers

Question:	What is this products shelf life
Answer:	Oh, nonono, you do NOT want to use this stuff inside! It works great and is super simple to measure and use confidently, and my garden has never been happier... but it smells like week old fish guts. It also features a lively chemical background note and just a hint of cowpie in the bouquet. Outside the smell isnt overpowering, but I wouldn't want to open the bottle inside!
Question:	Is this okay to get on the foliage/leaves? Or will it burn them
Answer:	Definitely an excellent fertilizer for your tomato garden
Question:	Is this product good for corn
Answer:	From my experience I think that is a tough question to fully answer because the amount of fertilizer that is recommended by Fox farm is very high. I think at 1/4 or 1/2 strength there is easily 100 gallons worth. I used the recommended amount the first time and it was way way to much imo. Well worth the money if you are not willing to brew your own tea for feed.
Question:	Does this smell strongly? Looking to use it for indoor potted fruit trees
Answer:	These are for Soil, but they have a set for hydroponics also

Miracle-Gro Indoor Plant Food (Liquid), 8 oz., Instantly Feeds All Indoor Houseplants Including Edibles, 2-Pack

Miracle-Gro

Based on 3 reviews Check latest price

Product description

Miracle-Gro Indoor Plant Food is great for use on all indoor plants, including edibles! Instantly feed all indoor houseplants, including edibles, with Miracle-Gro Indoor Plant Food. Simply apply the formula directly to the soil, or mix it with water. Apply once a week.

Instantly feeds all indoor houseplants
For all indoor plants, including edibles
Feeds instantly
Able to apply directly to the soil or can mix with water
Apply once a week

User questions & answers

Question:	Can i u se this on bromeliads? And if so, how often
Answer:	Our Miracle Gro Plant Food can be applied to all indoor container houseplants. We recommend applying this product every 7 days.
Question:	What is the npk fertilizer ration of this product? i need one with a high middle number (higher phosphorous number for african violets
Answer:	The NPK for this product is 1-1-1.
Question:	How often can I use
Answer:	It depends how often you water and how big the plant is. I water 1x a week and I usually squirt in 1 or 2 pumps worth. I basically feed every watering. There are directions, but you need to adjust based on plant needs, sunlight, growing season, soil, etc.
Question:	Why did i receive the succulent plant food instead of what was advertised here
Answer:	Because they no longer make the foam

Product features

Miracle-Gro VB300526 Plant Food (Liquid)

Indoor Plant Food | All-purpose House Plant Fertilizer | Liquid Common Houseplant Fertilizers for Potted Planting Soil | by Aquatic Arts

Based on 2 reviews Check latest price

Product description

Live plants are natural room decorations for an office, bathroom, any room in an apartment or home; just place on a plant stand, hanger, plant holder, in a terrarium, a mid century vase, or macrame plant hangers. Aquatic Arts 8 oz bottle of long lasting NPK liquid nutrients formula works quicker than fertilizer spikes and other plant foods — our miracle 3-1-2 concentrate can boost your small plants to grow tall and large. Directions: Plant care is easy! Just include 1 teaspoon into 2 cups of water during your normal watering routine. The 1 teaspoon portion may be mixed either into a water pitcher to pour directly into a feeder, planted container or a spray bottle. If using a sprayer, do not spray directly onto leaves for best results. One bottle includes enough nitrogen for coloring bright new leaves, phosphorus to protect from root rot and enhance root growth, and potassium for flowering for up to 1 year. All plants require varied amounts of light and moisture, so be sure to research your specific indoor plant when incorporating our fertilizer into your plant care regimen. Cactus decor or cacti prefer warm temperatures and dry containers — be sure to keep those plants in areas with reasonably high amounts of light, too. Many plants may require a UV or LED bulb if kept indoors, while some may only require high levels of sunlight from a window. Other plant varieties, such as a tropical plant or tree, enjoy being displayed on a patio during warmer months, but be sure to keep them inside during the winter. If you decide to bring your outdoor plants inside, be aware of aphid or other pests in your plant containers.

FEED HOUSE PLANTS: liquid fertilizer promotes healthy growth and stops wilt better than granules or pellets. Our 3-1-2 Miracle ratio makes living indoor plants thrive in pots, holders, and hangers.
GROW REAL HOME DECOR: 1 teaspoon for every 2 cups of water includes nitrogen, phosphorus and other vitamins to boost root and bloom growth — easy plant pot growing for up to 1 year.
Poinsettia, Pothos, Spider Plant, ZZ Plant, Aglaonema, Dioon, Fittonia, Jade Plant, Hoya Plant, Plumeria Plants, Yucca Plant, Hostas, Heuchera Plants, Dracaena Plant, Azalea, Orchid, Snake Plant
Peace Lily, Begonia, African Violet, Aloe Vera Plant, Weeping Fig, Calla Lillies, Prayer Plant, Philodendron Plant, Dieffenbachia, Croton Plant, Christmas Cactus, Air Plants, Indoor Cactus, Mums
Rubber Plant, Anthurium, Areca Palm, Lady Palm, Cyclamen, Peacock Plant, Dendrobium, Deacaena, Kalanchoe, Syngonium, Oakleaf Ivy, Aspargus Fern, Bamboo Palm, Boston Fern, Gerbera Daisy, Kimberley

User questions & answers

Question:	Can this be used on Norfolk pine tree
Answer:	This is for indoor plants only. Not outdoor trees.
Question:	Can this be used for a money tree
Answer:	i have and my money tree is flourishing and has been the least fuzzy plant i have. my other ones are dram queens lol
Question:	Does this smell bad
Answer:	i did not notice any odor
Question:	Can this be used for starting seeds
Answer:	I would not use it for that.

Product features

Vibrant Leaves

Nitrogen promotes bright green leaves. Many houseplants are known for their stunning foliage, make your plants happy with leaves that shine.

Sturdy Roots

Phosphorus stimulates healthy root growth and helps heal root rot. Root rot can be caused by over-watering or a lack of air flow around plant roots; proper fertilization can help repair previous damage.