10 Best Foliar Spray of 2025

Tested and Reviewed: Top 10 Foliar Spray deals with expert ratings from 8.1 to a perfect 10

April 2026 Edition

Editor's Choice

9.7

TPS NUTRIENTS

Foliar Fertilizer Spray, Gentle Foliar Feeding Spray for Healthy Leaves and Plants. Liquid Fertilizer by TPS Plant Foods, 16oz (475ml)

Editor's bottom line:

“This foliar spray is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Versatile spray for vegetables, ornamentals, houseplants, and more
Delivers nutrients quickly through the leaves for fast results
Ideal for correcting deficiencies or giving plants a mid-season boost
Made in the USA

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Picked by 397 people today

9.5

GARDENWISE

GARDENWISE Premium Microfertilizer Foliar Spray - Chelated Plant Nutrition Blend with Chelated Iron for Vegetables. Perfect for Hydroponics, Pots, and Open Soil. Ready to Use (8 OZ)

Main Highlights

MAXIMIZE GROWTH & YIELD: This product not only delivers essential nutrients directly to your plants' foliage for faster growth but also promotes healthier development. Ideal for avid gardeners and professional growers, this spray is a game-changer for achieving bountiful and vibrant harvests in a variety of settings. Contains the ideal balance of all essential micronutrients readily available as chelates.
PREVENTS YELLOWING OF LEAVES: Effectively tackle chlorosis, or the yellowing of leaves, with this nutrient-rich solution. Regular use not only beautifies your garden but also supports the overall health and vitality of your plants, ensuring they flourish in all environments.
ENHANCED PLANT RESILIENCE: This spray goes beyond mere nutrition; it fortifies the plant's natural defenses, helping them cope with extreme conditions, pests, and diseases. It's an essential tool for maintaining a healthy, thriving garden.
SUPERIOR NUTRIENT ABSORPTION: Benefit from the rapid and efficient nutrient uptake provided by our chelated formulation. Our spray ensures that plants absorb nutrients quickly, particularly critical during growth phases or when under stress. It's especially beneficial for plants with damaged roots or those in recovery, offering a lifeline when traditional root feeding isn't as effective.
VERSATILE FOR ALL PLANTS: Our Microfertilizer Spray is a universal solution for a wide range of plants. Suitable for ornamentals, vegetables, fruits, and even hydroponic systems, this easy-to-use spray is adaptable to various gardening practices, making it an indispensable part of your gardening toolkit.
ECO-FRIENDLY AND SUSTAINABLE: Choose an environmentally responsible product with our USA-made, eco-friendly formula. By using Gardenwise, you're not only nurturing your plants but also contributing to a more sustainable and greener future.

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9.5

FOOP

FOOP Mist (Refill) - Organic Foliar Spray Made from Fish Manure (with Fresh Minty Scent) | Corrects & Prevents Plant Nutrient Deficiencies | Ready to Use, No Mixing Required (1 Gallon)

Main Highlights

ORGANIC FOLIAR SPRAY Immediately delivers macronutrients, micronutrients, and soil-enriching microbes to plants through their leaves to promote photosynthesis
REDUCES PLANT STRESS Rapidly corrects nutrient deficiencies by shortcutting the root system and swiftly delivers critical nutrients and minerals through plant leaves, allowing sick plants to heal quickly or healthy plants to thrive
CRUCIAL FOR BABY PLANT SUCCESS Clones and seedlings with underdeveloped root systems require foliar feeding to avoid yellow discoloration and other stresses
READY TO USE Refill for spray bottle, no mixing required, perfect for home growers
CERTIFIED ORGANIC This product is approved for organic use by the Organic Materials Review Institute (OMRI)

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9.2

FOOP

FOOP Mist - Organic Foliar Spray Made from Fish Manure (with Fresh Minty Scent) | Corrects & Prevents Plant Nutrient Deficiencies | Ready to Use, No Mixing Required (32oz)

Main Highlights

ORGANIC FOLIAR SPRAY Immediately delivers macronutrients, micronutrients, and soil-enriching microbes to plants through their leaves to promote photosynthesis
REDUCES PLANT STRESS Rapidly corrects nutrient deficiencies by shortcutting the root system and swiftly delivers critical nutrients and minerals through plant leaves, allowing sick plants to heal quickly or healthy plants to thrive
CRUCIAL FOR BABY PLANT SUCCESS Clones and seedlings with underdeveloped root systems require foliar feeding to avoid yellow discoloration and other stresses
READY TO USE Convenient spray bottle, no mixing required, perfect for home growers
CERTIFIED ORGANIC This product is approved for organic use by the Organic Materials Review Institute (OMRI)

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9.0

Bloom City

Bloom City Organic SuperGreen Kelp Foliar Spray for Plants, Quart (32 oz)

Main Highlights

100% ORGANIC PLANT FOLIAR SPRAY: Helps plants grow lush and green. Perfect for house plants or garden varieties.
HIGH LEVELS OF KELP, MAGNESIUM, FULVIC ACID AND TRACE MICRONUTRIENTS: Loaded with vitamins, minerals and plant growth hormones to super charge your plant's nutrition
CAN BE USED ON HOUSEPLANTS, GREENHOUSE PLANTS AND OUTDOOR PLANTS
HIGHEST QUALITY, MOST POTENT, BEST VALUE, BIGGEST YIELD: Bloom Citys ingredients are better for plants, better for you, and better for the planet. Simply the best choice for the conscientious grower
FORMULATED AND MADE IN THE USA: Designed by botanists and plant chemists in Seattle, Washington. Bloom City chooses only the highest quality ingredient sources and manufacturing methods to create the worlds best craft growing nutrient systems

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8.8

Bloom City

Bloom City Organic SuperGreen Kelp Foliar Spray for Plants, 1/2 Pint (8 oz)

Main Highlights

100% ORGANIC PLANT FOLIAR SPRAY: Helps plants grow lush and green. Perfect for house plants or garden varieties.
HIGH LEVELS OF KELP, MAGNESIUM, FULVIC ACID AND TRACE MICRONUTRIENTS: Loaded with vitamins, minerals and plant growth hormones to super charge your plant's nutrition
CAN BE USED ON HOUSEPLANTS, GREENHOUSE PLANTS AND OUTDOOR PLANTS
HIGHEST QUALITY, MOST POTENT, BEST VALUE, BIGGEST YIELD: Bloom Citys ingredients are better for plants, better for you, and better for the planet. Simply the best choice for the conscientious grower
FORMULATED AND MADE IN THE USA: Designed by botanists and plant chemists in Seattle, Washington. Bloom City chooses only the highest quality ingredient sources and manufacturing methods to create the worlds best craft growing nutrient systems

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8.6

Save 7%

Microbe Life Hydroponics

Microbe Life Hydroponics Premium Foliar Spray & Root Dip for Fruits & Vegetables, Use with Any Feeding Systems Including Hydroponics or Soil, for Sale in California and Missisippi, 16 Ounces

7% Off

Main Highlights

ENHANCES PLANT GROWTH: Foliar Spray & Root Dip is formulated for foliar applications, root dips, and root drenches; It builds up the root mass for stronger, more vigorous plants; Great for starting seeds, cloning, transplanting, or repotting
STIMULATES ROOT GROWTH: Supports early root growth, stronger root development, and helps protect roots from pathogens; Creates biofilms to stimulate root growth and fast growth; Protects roots for transplanting and repotting; Good for cloning genetically
BENEFICIAL BACTERIA: Contains a concentrated photosynthetic blend and other beneficial microorganisms with natural humates and essential elements to enhance the photosynthesis process and nutrient uptake, leading to increased cell energy and growth
REDUCES PLANT SHOCK: Reduces root loss and plant stress during transplant; Contains Ecto- & Endomycorrhizal Fungi; Contains Natural Humates And Photosynthetic Organisms; Won't damage or clog hydroponics systems
WORKS IN ALL ENVIRONMENTS: Simply add recommended dose to the water; Container includes dosages; Use indoor or outdoor with any hydroponic, NFT, DWC, drip, aeroponic, aquaponics, and liquid feeding systems with soil or soilless media including coco coir

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8.3

TPS NUTRIENTS

Canopy Boost Foliar Spray for All Plants, Boosts Photosynthesis and Corrects Common Yellowing by TPS Nutrients, 1/2 Pint (8 oz)

Main Highlights

IMPROVES PHOTOSYNTHESIS AND REDUCES LEAF YELLOWING: TPS Canopy Boost Foliar Spray improves plant function and kick-starts photosynthesis.
SUPPORTS VIGOROUS CANOPY AND ROOT GROWTH: Canopy Boost leaf spray stimulates metabolism, increasing photosynthesis causing canopy growth. It also sends powerful organic plant growth hormones to the root-zone, which causes root development.
PROMOTES PHOTOSYNTHESIS: TPS Canopy Boost spray contains powerful bioavailable magnesium, a key component of photosynthesis.
SAFE ON ALL PLANTS AND ENERGY DENSE FOLIAR SPRAY: All of TPSs fertilizers and supplements are nutrient dense, reducing waste and making sure you dont pay for water to be shipped.
DESIGNED TO BE SUSTAINABLE: Every ingredient and every process was designed to keep sustainability in mind. TPS Nutrients chooses only the best and most renewable materials to build these products.

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Best Value

8.1

Save 18%

Bonide

Bonide Rot-Stop Tomato Blossom End Rot, 16 oz Concentrated Liquid Garden Fertilizer for Calcium Deficiency Indoors & Outdoors

18% Off

Main Highlights

CORRECTS CALCIUM DEFICIENCY - Our garden fertilizer is used to control blossom end rot on tomatoes by adding calcium to the plant.
CONTAINS NUTRITIONAL CALCIUM - Plant food that uses nutritional calcium derived from calcium chloride as the main active ingredient.
MULTIPLE USES - Rot Stop is also effective at correcting calcium deficiencies for cucumbers, melons, and peppers
EASY TO APPLY - Product instantly mixes with water and should be applied using either a hose-end sprayer or tank sprayer. Simply spray foliage to the point of run-off. Make sure to carefully read and use according to label directions.
FOLIAR FERTILIZATION - Intended as a supplement to a regular fertilization program and may not, by itself, provide all the nutrients normally required by crops or other intended plants.

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Our Best Overall Choice

Best Choice

9.7

TPS NUTRIENTS

Foliar Fertilizer Spray, Gentle Foliar Feeding Spray for Healthy Leaves and Plants. Liquid Fertilizer by TPS Plant Foods, 16oz (475ml)

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Versatile spray for vegetables, ornamentals, houseplants, and more
Delivers nutrients quickly through the leaves for fast results
Ideal for correcting deficiencies or giving plants a mid-season boost
Made in the USA

Show Price

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