Best Liquid Garden Fertilizers in 2026

Get your garden going with FoxFarm Grow Big, our liquid concentrate fertilizer that supports lush vegetative growth.

FoxFarm Big Bloom Liquid Plant Food is formulated for use on all plants and can be used every time you water. OMRI Listed and Registered CDFA Organic Input Material.

FoxFarm Tiger Bloom is a phosphorus fertilizer that contains nitrogen to support vigorous growth. FoxFarm Tiger Bloom is designed to encourage abundant fruit, flower and multiple bud development.

Mixes only with water based solutions, will not work with oil based

Easily marks grass and lawns

Mix with herbicides, fungicides, pesticides, & fertilizers

A three-pack of favorite liquid fertilizers from FoxFarm

Grow Big produces lush, vegetative, compact growth

Tiger Bloom is an ultra-potent, fast-acting, high-phosphorus fertilizer

Botanicare Liquid Karma 0.1-0.1-0.5 contains premium grade plant food ingredients

This supplemental nutrient is the perfect complement to your regular feed program, and is beneficial for your plants

Use with every watering throughout the entire growth cycle

PROMOTES ROOTING: Rooting hormone grows new plants from cuttings.

GROW CUTTINGS: Works with most popular home, garden and greenhouse varieties.

ROOT NEW FAVORITE PLANTS: Helps African violets, roses, poinsettias, philodendrons, geraniums, coleus, woody ornamentals and more grow from cuttings.

Provides supplementary macro and micro nutrients. This bottle is 32 ounces of concentrate that will yield as much as 32 gallons of finished liquid fertilizer (just add water).

Tremendously beneficial for soil quality & improved rooting

Stimulates growth and improves plant health and color.

BENEFITS: Makes 6400 applications for house plants. (Makes 50 gallons, Each gallon makes 128 applications) Its like a full ecosystem in a bottle that is a concentrated formula for watering your plants its easy, 1. 2. 3. and your ready to go. Great for all soil and growing medias, hydroponics, semi hydro, lecca, Bavariums with reptiles, terrariums, water gardens and fish tanks, flowers and so much more. Good For Roots, Stems, Leaves, Blooms, Foliage, and over all plant health.

WHAT IS IT? Fully Digested Elemental, Nutrient Supplement System for all plants. All vitamins and minerals with the microbial index are essential to a plants life. Complete Micro-fungi mycorrhizae and rhizobacteria strains, in a pH Balanced formula.

HOW ITS MADE: Through our Zymology process we break down the 18 ingredients into thousands of separate fully digested and readily absorbable elements. This full nutrition can take over 5 years to complete before we bottle it up for you.

ORGANIC PLANT FOOD: This liquid fertilizer for Cactus, Succulents and tropical plants provides organic nutrients to ensure superior results and is safe to use around kids and pets.

EASY: Simply add ½ cap of Cactus! plant food liquid per quart of water and water your plants. Thoroughly drench the soil of the plant. For best results use every 2-4 weeks.

CONTAINS: Essential plant nutrients to help plants thrive. Liquid plant food is a vital part of indoor plant care, for plants both large & small. See label for all ingredients.

General Hydroponics FloraNova Bloom 4-8-7 contains the robust strength of dry fertilizer in the rapid application of a liquid

FloraNova Bloom promotes explosive flowering and fruiting while adding aroma, taste and color

Optimum nutrient absorption is aided by natural humic extracts for increased quality and superb yields

Wholly Mackerel provides immediately available nutrition to support vigorous growth

Bush Doctor Wholly Mackerel is a liquid plant nutrient derived from fish.

Kelp Me Kelp You Our product is a liquid concentrate that can be used for growing fruits, vegetables, gardens or flowers

Fox Farm Liquid Nutrients

Use Tiger Bloom at the first sign of flowering

To extend flowering or fruiting; add Big Bloom liquid fertilizer late in the season

Formulated with a low pH to maintain stability in storage and keep micronutrients available

Miracle-Gro LiquaFeed Advance Starter Kit with Garden Feeder, 16 oz. Bottle of LiquaFeed All Purpose Liquid Plant Food, and Dosing Spoon

Miracle-Gro LiquaFeed All Purpose Plant Food Refill Pack, (Liquid Plant Fertilizer) 16 oz.

Uses trace minerals and micronutrients naturally derived from fish

Promotes vigorous growth of plants and vegetables

Great for all indoor and outdoor plants

OMRI ​ORGANIC LISTED SEAWEED & KELP FERTILIZER: Liquid Kelp is a natural plant food that provides a range of benefits for plant health and growth. OMRI listed for organic use, GS Plant Foods Liquid Seaweed Fertilizer is a completely natural, seaweed extract fertilizer for plants. Our liquid seaweed will help stimulate natural root growth, mineral uptake and overall plant growth and vigor. This can be applied to any type of soil or plant without concern for waste or harmful chemicals.

ONE OF NATURE’S ‘MIRACLE’ PLANT FOODS: Made from the finest seaweed plant Ascophyllum Nodosum, this is one of nature’s miracle plant foods. Our seaweed extract greatly increases your plant’s resistance to stressors such as excessive heat, wind, drought conditions and more. The seaweed fertilizer for plants will increase the bloom set and size of flowers and fruit. It increases and stabilizes chlorophyll in plants, which results in darker green leaves and increased sugar content in plants.

OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, kelp liquid fertilizer acts as an efficacious growth promoter. GS Plant Foods sea kelp fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. Using GS Plant Foods seaweed plant fertilizer will lead to healthier crop yields and general plant well being.

LIGHT APPLICATIONS - A balanced mix of essential nutrients with low NPK rates to gently feed your live cacti and succulents. Aids and enhances root development, color vibrancy, beautiful bloom, and stem growth in both plant types.

LASTS LONGER, FOR LESS - Easy, ready to use granular formula feeds your plants consistently for 9 months! Simply poke holes or sprinkle around your pot mix, water, and watch your succulent/cactus thrive! Perfect for pots with pumice, pebbles, gravel, perlite, and other organic potting soil mixes.

LIQUID ALTERNATIVE - Excellent alternative to liquid fertilizer in a spray bottle. Great for houseplants that need consistent nutrition year round but less watering.

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

OMRI ​ORGANIC LISTED FISH AND SEAWEED BLEND: GS Plant Foods all-natural fresh fish liquid fertilizer is a high quality organic product that gives excellent plant growth, rebuilds soil, and offers higher production yields. The kelp fertilizer can be applied to any type of plants, trees, lawns, flowers, vegetables and seeds without concern for waste.

REBUILDS SOIL & IMPROVES PLANT COLOR: Our organic liquid fertilizer increases and stabilizes chlorophyll in plants, which results in darker green leaves and increased sugar content in plants. This seedling fertilizer relieves stress in plants caused by extreme weather conditions, increases plant vigor, greater resistance to heat, drought, and frost. Our organic liquid fertilizer for seedlings increases microorganisms in the soil and increases mineral uptake.

OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, liquid seaweed fertilizer acts as an efficacious growth promoter. GS Plant Foods fish seaweed fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. Reduce herbicide use by adding our liquid kelp extract, and yet maintain the same kill effectiveness. This fish fertilizer for vegetables will lead to healthier crop yields and general plant well being.

DO NOT BE FOOLED by other companies selling you dead Mycorrhizae powder in a bag. Every bag of Myco Supreme Premium Mycorrhizal Fungi comes alive, fresh, and super potent…GUARANTEED. Order Now With Confidence that you are getting what you pay for.

20X MORE CONCENTRATED than leading brands: Total ACTIVE Microbe Rhizophagus Irregularis…..50 Spores/g *Equivalent up to 5000 propagules per gram and 141,000 propagules per oz. This is 20 times more than leading brands in the marketplace.

HIGH PERFORMING Mychorrizal Fungi Trifecta Myco Supreme utilizes bio-encapsulated spores of the carefully selected and versatile Rhizophagus Irregularis mycorrhizae strain. Known for versatility and effectiveness.

SOURCE OF CALCIUM MAGNESIUM & CHELATED IRON: Many varieties of flowering plants require higher levels of these micronutrients. Our well-balanced formula is designed to specifically address any plant deficiencies that may be present.

CORRECTS COMMON PLANT DEFICIENCIES: Sometimes an unhealthy plant may be suffering from a nutrient deficiency or even too much of one nutrient. Our CalMag & Iron supplement effectively corrects and remedies these micronutrient plant deficiencies.

NUTRIENT UPTAKE AND ABSORPTION: This formulae efficiently supports nutrient uptake and absorption by addressing any plant deficiencies in the first place, thus successfully supporting the vegetative and flowering stage of your plants.

MADE FOR AIR PLANTS - Our Tillandsia Air Plant Fertilizer Weekly formula is created for all varieties of air plants including Brachycaulus, Bulbosa, Capitata, Caput Medusae, Ferns, Ionantha, Stricta, Xerographica, and other common Epiphytes. Perfect for air plants grown in planters, terrariums, frames, seashells, glass, metal & wood holders.

EASY TO USE - The fertilizer comes in an 8 fl oz. sealed bottle with an ultra-fine mist sprayer designed to mist easily. The convenient pre-mixed liquid formula is ready to use right out of the package. Simply use 3-5 sprays weekly, directly onto air plants, in addition to regular watering and misting.

ENHANCE GROWTH - Keep your houseplants healthy with a gentle and well-balanced formula of all the essential nutrients to boost their growth. Our weekly fertilizer helps air plants with leaf growth, root & pup development, color vibrancy, blooms, hydration, and vitality.

LOW MAINTENANCE: Our vine fertilizer is perfect for all homeowners! This slow release fertilizer only requires feeding every 14 days till blooming begins. Once blooming begins, you only need to feed your plants once a month.

PACKED WITH NUTRIENTS: Our well developed bougainvillea plant food has a 17-7-10 formula promotes the development of healthy colorful blooms, while maintaining the health of your plants. With 4 sources of nitrogen and nutrients for maintaining plant health, this fertilizer allows for extended periods between feedings. This fertilizer works with soil biology to provide your vines with the best fertilizer and nutrition possible, at the right time.

MAINTAIN YOUR PLANT'S HEALTH: Feel the benefits of a formula that was created to maintain your plants health. With added sulfur and gypsum, our formula helps create acidic soil to improve overall soil structure around the roots.

Blended with 4% Seaweed: Liquid Sea Kelp Concentrate blended with Ascophyllum Nodosum Seaweed harvested in the Icy North Atlantic

Blended with 4.5% Humic Acid: Soil Hume is a Highly Concentrated form of Liquefied Carbon Derived from the Highest Quality Humate Source, Leonardite. Leonardite is Considered by many to be the Highest Quality form of Humic Acid

Versatile Formula for Lawn and Garden: Soil Hume Can help increase the Transfer of Nutrients and Help your Lawn, Garden and Plants Uptake Nutrients more Efficiently

Soluble plant food of potassium derived from potassium sulfate

Use for horticultural purposes to improve overall plant vigor and growth

Use during the entire life cycle of the plant

100% SUSTAINABLE ORGANIC INGREDIENTS: Brewed and concentrated organically using Washington worms and black strap molasses

HIGHLY CONCENTRATED FORMULA WITH BILLIONS OF BACTERIA: Makes other fertilizers and soil more effective for plant growth

CAN BE USED ON HOUSEPLANTS, GREENHOUSE PLANTS AND OUTDOOR PLANTS

Plant fertilizer specifically formulated for indoor potted plants to ensure your houseplants thrive with deep green plant growth

Indoor plants especially house plants deserve plant food fertilizer that delivers nutrients that matter to the health of your plants. Our high concentrate 4-3-4 lasts much longer than other product

We use the highest quality ingredients to produce this liquid fertilizer for indoor plants. This house plant fertilizer contains a balanced 4-3-4 nutrient blend.

OMRI-rated, all-natural, cold pressed, 100% organic fish fertilizer adds proteins and enzymes to soil

Concentrated, high-energy soil nutrient broth creates better lawns, crops, or gardens

Trident's Pride cuts down on chemical fertilizers while increasing anti-oxidants, sugar, and earthworm population

HUGE GROWTH: Photosynthesis Plus is formulated to grow massive fruits, vegetables, and herbs; As an all-natural liquid supplement, it maximizes the plant’s ability to use available light, allowing for larger blooms and more flavorful yields

FAST GROWTH: This unique formula enhances the photosynthesis process by enabling the plant to utilize more of the available light, increasing the conversion of CO2 into carbohydrates; This will help the plant grow faster due to the increased energy intake

MORE GROWTH: Photosynthesis Plus fixes nitrogen at the foliar and root zones; It builds biofilms around the root and through the solid/growth media to help protect roots and allow for more growth of the plant by increasing nutrient availability and uptake

1 Gallon Jug

Corrects Iron deficiency in flowers, vegetables, shrubs & trees.

Also, use in the lawns for a deep, rich green color.

For all indoor and outdoor plants

Encourages new growth

Easy-to-measure dropper