Best Vegetables Water Plant 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.

Highly fortified calcium, magnesium, and iron plant supplement formulated to correct common deficiencies

Supplement your existing nutrient program with Cal-Mag Plus

To Use: Mix well and use with every watering, as needed, for enhanced growth apply as a foliar spray

Instantly feeds to grow bigger, more beautiful plants versus unfed plants

Product packaging may vary

Use with the Miracle-Gro Garden Feeder or any watering can

Product 1: General Hydroponics FloraGro 2-1-6 delivers nutrients for structural and foliar growth

Product 1: Combine FloraGro 2-1-6 with FloraMicro and FloraBloom to create a nutrient mix tailor-made for your plants and their phase of growth (seedling, cutting, structural, flowering, or fruiting)

Product 1: Ideal for hydroponic applications and as a nutrient supplement for potted plants

Proven Winners water Soluble fertilizer comes in an easy-to-use 2.5 lb. Container with a carrying handle and measuring scoop

24-12-17 fertilizer blend

Following the application rates on the container, apply at least every week, or every third watering

Ideal for recharging soil and container growing. For brewing compost tea, we recommend using VermisTerra Premium worm castings.

Macronutrients, micronutrients, trace minerals, natural plant hormones. Boosts growth of roots, leaves, flowers and fruit.

Pure worm castings, less water weight; easier to mix, apply, and spread.

PURE EARTHWORM CASTINGS – Wiggle Worm Soil Builder is pure castings, not vermicompost, because of our special manufacturing and harvesting process. It’s not uneaten worm bedding with some worm castings, so it’s pure, nutrient-rich, and mineral-dense.

IMPROVES SOIL STRUCTURE–Wiggle Worm Pure Worm Castings contain tiny, football-shaped particles that prevent packing to help improve plant soil aeration. Our soil supplement also helps improve the root’s water retention capacity.

NATURAL INSECT REPELLENT – Aside from providing nutrients to the soil, Wiggle Worm Pure Worm Castings can also help control the population of plant pests such as whiteflies, spider mites, and aphids.

All indoor and outdoor plants, tree, vegetables and surf

It feeds both through the roots and the leaves. This formula of nitrogen, phosphorus and potassium provides fast green-up and rapid leaf expansion

Indoors it is especially effective on foliage plants, keeping leaves green. A proven performer in the vegetable garden for generations

Benefits: Makes 64,000 applications for house plants. Makes 500 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.

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.

Down To Earth Langbeinite 0-0-22 is a naturally mined crystalline mineral that supplies the water-soluble sulfate form of three vital plant nutrients: potassium, magnesium and sulfurs

Its maximum chlorine content is less than 3.0 percent, minimizing the potential for fertilizer “burn,” and its neutral pH does not alter soil activity

Potassium contributes strongly to overall plant health by regulating internal processes. Since potassium makes up part of the fluid of the plant, it is found throughout plant tissue, meaning plants need a strong source of potassium as they grow

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.

MasterBlend 4-18-38 Master Kit (3 Separate Components in correct amounts)

Contains MasterBlend 4-18-38, Calcium Nitrate 15.5-0-0, and Epsom Salt (Magnesium Sulfate)

Used by professionals worldwide for optimum plant growth

A trio of high-octane fertilizers: open Sesame, beastie blooms and cha ching.

Achieve Bumper crop harvests by utilizing all three soluble products at first bud development. Begin feeding with open Sesame for early flowering, beastie blooms for bud density during mid-flowering, and finish with cha ching for essential oils and to pump out heavy resins.

Invite the whole family over. We designed our soluble to work together as part of a sequential feeding schedule for hydroponic and conventional growers.

Easy Peasy Plants Urea is made with the highest quality nitrogen urea prills. Nitrogen boosts development of green matter of all your indoor flowers, lawn, and garden vegetables

Nitrogen is needed by every plant to product leave, stems, roots, blooms, and flowers. Easy Peasy Plants Urea Nitrogen provides the nutrients needed to produce lush greenery.

Wide application range from home garden, lawns, indoor and outdoor plantss to TIE-DYE PROJECTS

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.

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.

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.

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

Contains chelated minor elements

CONTAINS: 20% Nitrogen

20% Phosphorus (P205)

FROM SUSTAINABLE ALASKAN SALMON:  Great for Soil and Plants, for indoor and outdoor use.

CONTAINS SALMON EMULSION AND SALMON OIL: Very high in omega 3 Fatty Acids for Plants. More Amino Acids than any other brand.

SMELLS LIKE FISH: You know this is the good stuff, because is really really smells like ocean and fish.

The information below is per-pack only

Excellent for evergreens, dogwoods, hydrangeas, magnolias and many other acid-loving trees and shrubs

Encourages vigorous root growth and lush foliage

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.

Makes Up to 12 Gallons - The 8oz bottle makes 12 gallons of ready to spray neem oil when mixed according to directions

Ready to Mix - Simply mix with water and spray. No surfactants or additional ingredients are required

Cold Pressed - Retains the integrity and original composition of neem oil in its purest form

Encourages new growth

Ideal for all indoor and outdoor plants

Feeds like nature every time it rains

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

EXTEND YOUR FLOWERS LIFE: We know floral arrangements can cost a pretty penny! Enjoy your beautiful bouquet up to 60% longer with Chrysal’ Clear Floral Food Packets! Allows a vase life guarantee of over 7 days.

NOURISH YOUR FLORAL ARRANGEMENT: Our flower food powder mixes easily and clearly in water, is odorless and provides all the necessary ingredients for full development of buds and blooms.

IDEAL FLORIST SUPPLIES: A necessary add to your floral supplies. Simply attach one packet onto the fresh cut flower arrangement so your beautiful creation can live longer (with a happy customer or client)!