13 Best Calcium Foliar Sprays for Thriving Plants

Discover the best calcium foliar spray for thriving plants. Unlock vibrant growth and lush greenery with our top picks for your garden.
BrandMy RatingPrice
Bonide
Most Wallet-Friendly
8.8/10
Bonide
Best for Tomato Plants
8.2/10
Botanicare
Best for Nutrient Boost
9.4/10
Monterey
Best for Multiple Crops
N/A
Foop
8.4/10

Best Calcium Foliar Spray

In the vibrant world of yard, garden, and patio care, nurturing your plants is an art that deserves the finest techniques and tools. Enter the realm of calcium foliar sprays—those magical elixirs that coax your greenery to flourish and bloom with vitality. As you embark on a journey to discover which spray reigns supreme, let’s unveil the best options to transform your garden into a lush haven of health and beauty.

Most Wallet-Friendly: Bonide Rot-Stop

Bonide Rot-Stop Tomato Blossom End Rot, 16 oz Concentrated Liquid Garden Fertilizer for Calcium Deficiency Indoors & Outdoors
Highlights
Effective for blossom end rot
Easy to mix and apply
Good value for money

When it comes to tackling blossom end rot on our beloved tomatoes, we’ve found a real winner in the Bonide Rot-Stop Tomato Blossom End Rot spray.

This affordable gem is fantastic for correcting calcium deficiencies, making it our top choice for budget-conscious gardeners.

It effortlessly mixes with water, ensuring a speedy application that’s as easy as spraying your foliage to the point of run-off.

Plus, it’s not just for tomatoes—cucumbers, melons, and peppers can benefit too!

Just remember, it’s best used alongside your regular fertilization program.

Say goodbye to those unsightly blossom end rot woes!

Be sure to also check out the best foliar sprayer for more options! Also, here is the price history so you know exactly when to buy!

Price history for Bonide Rot-Stop on Amazon

Best for Tomato Plants: Bonide Rot-Stop

Bonide Rot-Stop Tomato Blossom End Rot, 32 oz Ready-to-Use Spray Garden Fertilizer for Calcium Deficiency in Plants
Highlights
Corrects calcium deficiency
Multiple uses for plants
Easy application process

When it comes to cultivating the perfect tomato, we’ve found a champion in Bonide Rot-Stop Tomato Blossom End Rot.

This powerhouse not only corrects calcium deficiency but does so with finesse, ensuring your tomatoes stay healthy and vigorous.

Its ability to address calcium woes extends to cucumbers, melons, and peppers, making it a versatile addition to any garden toolkit.

We appreciate the easy application—just mix with water and spray!

However, do keep in mind it may require several applications and isn’t a standalone nutrient source.

With a little care, your plants will be thriving in no time!

Be sure to also check out the best bagworm spray for more options! Also, here is the price history so you know exactly when to buy!

Price history for Bonide Rot-Stop on Amazon

Best for Nutrient Boost: Botanicare Cal-Mag Plus

Botanicare Cal-Mag Plus, A Calcium, Magnesium, And Iron Plant Supplement, Corrects Common Plant Deficiencies, Add To Water Or Use As A Spray, 2-0-0 NPK, Quart
Highlights
High-quality formulation
Improves plant health
Versatile for different uses

When it comes to giving your plants a nutrient boost, we highly recommend Botanicare Cal-Mag Plus!

This powerful supplement is packed with calcium, magnesium, and iron, making it an excellent choice for correcting common nutrient deficiencies.

Its versatility shines through, as you can use it with a variety of growing methods, whether in containers or hydroponics.

Simply mix it with each watering and watch as your plants thrive!

Although it does require a bit of mixing and is in liquid form, the benefits are worth it.

We believe this product will elevate your gardening game!

Be sure to also check out the best brush killer spray for more options! Also, here is the price history so you know exactly when to buy!

Price history for Botanicare Cal-Mag Plus on Amazon

Best for Multiple Crops: Monterey Foli-Cal

Monterey Foli-Cal - Liquid Calcium Formulation - 1 Gallon Concentrate
Highlights
Prevents blossom end rot
Treats multiple crops
Effective foliar application

We’re excited to share our thoughts on Monterey Foli-Cal, which we've crowned the "Best for Multiple Crops".

This powerhouse not only prevents tomato blossom end rot but also tackles calcium deficiencies across a wide array of plants—including peppers, apples, and more.

Its effective foliar application is essential, so ensure you cover the entire plant surface.

Just a heads up: apply it to actively growing plants for the best results, and avoid stressed foliage.

With every spray, you're one step closer to a flourishing garden full of vibrant produce.

Trust us, your plants will thank you!

Be sure to also check out the best faux olive branches for more options! Also, here is the price history so you know exactly when to buy!

Price history for Monterey Foli-Cal on Amazon

FOOP Mist

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)
Highlights
Organic and safe
Reduces plant stress
Ready to use

When it comes to nurturing your garden, we’re excited to share our thoughts on this organic foliar spray from FOOP Organic Biosciences. Perfectly crafted for both home growers and plant enthusiasts, this spray delivers essential nutrients directly through the leaves, making it a quick and effective solution for those struggling plants!

We’ve found it particularly beneficial for clones and seedlings, as it helps to prevent yellowing and other stress signs.

The convenience of a ready-to-use bottle means no mixing mess—just spray and watch your plants thrive!

While some may encounter packaging issues, the benefits far outweigh the downsides.

For plant love, it’s definitely worth a try!

Be sure to also check out the best calcium fertilizer for tomatoes for more options! Also, here is the price history so you know exactly when to buy!

Price history for FOOP Mist on Amazon

Bloom City Cal-Mag Fertilizer

Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, Quart (32 oz)
Highlights
Easy mixing instructions
Nutrient-focused formula
Suitable for all skill levels

We’re excited to share our thoughts on this Bloom City Cal Mag fertilizer—a must-have in any plant care arsenal!

With easy mixing directions, just combine 2-5ml per gallon of feedwater, and you’re ready to nourish your green friends.

This nutrient-focused formula packs a punch with calcium and magnesium, promoting strong stems and vibrant leaves.

Whether you’re nurturing houseplants or cultivating an outdoor garden, this Cal Mag spray adapts seamlessly to all growing styles.

Perfect for any gardener, from beginners to pros, it’s a simple way to boost plant health.

Just remember—it thrives with frequent use for optimal results!

Be sure to also check out the best cactus soil for more options! Also, here is the price history so you know exactly when to buy!

Price history for Bloom City Cal-Mag Fertilizer on Amazon

Monterey Foli-Cal Calcium Foliar Spray

Monterey Lawn and Garden LG7198 RTU Foli-Cal Calcium Concentrate Fertilizer, 32-Ounce
Highlights
Prevents blossom end rot
Corrects calcium deficiency
Multi-crop application

When it comes to keeping your garden thriving, calcium is essential, and this foliar spray shines in addressing calcium deficiencies, particularly for tomatoes, peppers, and apples.

We appreciate how it effectively prevents issues like blossom end rot and bitter pit, ensuring your plants stay healthy and productive.

However, it's crucial to apply this spray thoroughly on actively growing plants for optimal benefits—don’t just mist!

While the occasional leaking bottle might be a hassle, the comprehensive support it offers makes it a solid choice for any gardener looking to boost their crop's health.

Just remember, a happy plant equals a happy gardener!

Be sure to also check out the best railing planters for more options! Also, here is the price history so you know exactly when to buy!

Price history for Monterey Foli-Cal on Amazon

Southern Ag

Southern Ag Stop Blossom-End Rot of Tomatoes, 32oz - 1 Quart
Highlights
Prevents tomato rot
Easy leaf application
Broad spectrum coverage

When it comes to tackling calcium deficiency, Southern Ag’s Calcium Foliar Spray shines like a star in the garden universe!

We love how it effectively prevents dreaded blossom-end rot in tomatoes, making it a go-to for passionate gardeners.

The ease of leaf application makes it a breeze to use, ensuring your plants get the nutrients they crave.

However, we did notice that the application directions could be a bit more clear, and some users experienced slight leaf browning.

Overall, this liquid solution provides broad spectrum coverage and is a lovely, if temporary, boost for your garden needs!

Be sure to also check out the best compost spreader for more options! Also, here is the price history so you know exactly when to buy!

Price history for Southern Ag on Amazon

FOOP Plant Spray

Organic Broad Spectrum Plant Spray - Liquid Plant Food in a Spray Bottle (Foliar Fertilizer) | Use on All Outdoor Plants Including: Vegetables, Herbs & Flowers | No Mixing Required (32oz)
Highlights
Accelerates plant growth
Reduces plant stress
Convenient ready-to-use

When it comes to giving your plants a turbo boost, this organic foliar spray from FOOP Organic Biosciences is a game-changer!

We love how it accelerates plant growth and swiftly delivers essential nutrients like nitrogen and calcium directly through the leaves.

It's perfect for addressing nutrient deficiencies, helping your plants bounce back from stress or thrive even more.

Plus, with its ready-to-use spray bottle, who needs a complicated mixing process?

Just grab, spray, and watch those greens prosper!

However, remember that for the best results, proper application is key.

Give your plants the love they deserve and see them flourish!

Be sure to also check out the best mulch colorant for more options! Also, here is the price history so you know exactly when to buy!

Price history for FOOP Plant Spray on Amazon

Gardenera Cal-Mag Spray Calcium Foliar Spray

𝐏𝐑𝐄𝐌𝐈𝐔𝐌 Ultra Pure Professional Grade Cal-Mag Fertilizer Spray - 32oz Bottle - High-Grade Calcium, Magnesium & Iron Plant Supplement - Corrects Common Plant Deficiencies (9-0-0 NPK)
Highlights
Professional grade formula
Prevents growth deficiencies
Easy ready-to-use spray

We’re excited to share our thoughts on the Gardenera Cal-Mag Plus spray!

This professional-grade foliar solution combines ultra-pure calcium, magnesium, and iron to tackle common deficiencies, giving your plants the health boost they crave.

With a user-friendly, ready-to-use formula, there's no mixing needed—just spray it directly onto the leaves and stems and watch your plants thrive.

Plus, it supports strong stalk and leaf growth throughout all stages.

The comprehensive blend of micronutrients is a game changer!

Although it comes at a slightly higher price and is mainly for leaf application, it’s a fabulous choice for serious gardeners looking to elevate their plant care game.

Don’t miss out on this essential garden companion!

Be sure to also check out the best balcony planters for more options! Also, here is the price history so you know exactly when to buy!

Price history for Gardenera Cal-Mag Spray on Amazon

GS Plant Foods Cal-Mag

GS Plant Foods Cal-Mag 420 Dry Super Concentrate, Makes 420 Gallons of Nutrient Solution, 18 Ounces, Calcium/Magnesium Fertilizer
Highlights
Water soluble powder
Great for all plants
Supports all growth stages

We’re excited to introduce Cal-Mag 420 by GS Plant Foods, a fantastic choice for any gardening enthusiast!

This completely water-soluble powder packs a punch, providing a remarkable 420 gallons of nutrient solution per container.

With its blend of Calcium (13%), Sulfur (4%), and Magnesium (3%), it serves as a powerful ally to your plants throughout their growth cycles.

Whether you’re sprucing up your garden or nurturing delicate potted plants, this product is designed for easy mixing during irrigation or as a foliar spray.

Just remember to mix 1/4 teaspoon per gallon for best results.

Overall, it’s a delightful addition to your garden arsenal!

Be sure to also check out the best artificial hydrangeas for more options! Also, here is the price history so you know exactly when to buy!

Price history for GS Plant Foods Cal-Mag on Amazon

Farmer's Secret

Farmer’s Secret Fruit & Bloom Booster Fertilizer (32oz) - Super Concentrated - Increases Flowering and Yield on All Varieties of Fruits, Vegetables and Flowers
Highlights
Boosts root strength
Highly concentrated formula
Easy application method

When it comes to supporting your plants’ health, Farmer's Secret Calcium Foliar Spray is a game-changer!

We’ve seen amazing results with a variety of plants, from citrus trees to vibrant roses.

This super concentrated formula means a little goes a long way—just dilute 1 teaspoon in 2 gallons of water for optimal results.

The ease of application fits seamlessly into your regular watering routine, ensuring your plants receive the boost they crave every 2-4 weeks.

Plus, it's crafted with pride in Kentucky, putting expert farming know-how right in your hands.

If vibrant blooms and abundant fruit are your goals, we highly recommend giving this spray a try!

Be sure to also check out the best artificial poinsettia for more options! Also, here is the price history so you know exactly when to buy!

Price history for Farmer's Secret on Amazon

Bonide Tomato Spray Calcium Foliar Spray

Bonide Tomato & Blossom Spray Set, 32 oz Ready-to-Use, Increases Harvest of Fruits & Vegetables in Home Garden
Highlights
Increases tomato yield
Effective against bloom rot
Convenient ready-to-use spray

When it comes to enhancing your garden’s bounty, Bonide's Tomato & Blossom Set Spray stands out as a delightful choice.

We love its unique blend with cytokinin, which encourages blossom set and supports fruit development, giving our tomatoes and other edibles a tasty boost!

With its ready-to-use formula, applying it is as easy as shake, spray, and let the magic happen.

While some may experience minor issues with the spray bottle, its effectiveness in increasing yields, especially against bloom rot, makes it well worth a try.

If you're growing fruits and veggies, don’t overlook this gem for a fruitful harvest!

Be sure to also check out the best faux olive tree for more options! Also, here is the price history so you know exactly when to buy!

Price history for Bonide Tomato Spray on Amazon

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