17 Best Acid Fertilizers for Thriving Gardens

Discover the best acid fertilizer to boost your garden’s health and vibrancy, ensuring your plants flourish with rich, nurtured growth.
BrandMy RatingPrice
Gardenwise
Top Money-Saving Choice
9.0/10
Bloom City
Best for Acid-Loving Plants
8.8/10
Dr. Earth
Best Non-GMO Option
9.2/10
Tps Nutrients
Best for Edible Gardens
9.0/10
Down to Earth All Natural Fertilizers
9.2/10

Best Acid Fertilizer

In the vibrant world of gardening, achieving the perfect balance in soil nutrients can transform your garden from a patch of earth into a flourishing paradise. Acid fertilizers play a pivotal role in nurturing acid-loving plants, helping them thrive in their colorful splendor. Join us as we delve into the top contenders in the realm of acid fertilizers, ensuring your green thumb is equipped for success.

Top Money-Saving Choice: Gardenwise Fertilizer

8-4-8 Acidic Fertilizer for Azaleas, Camellias (Camelia), Hydrangeas, Blueberries, Gardenias, Magnolia Trees, Evergreens, and Rhododendrons - Ideal Iron-Rich Plant Food (12 OZ)
Highlights
Promotes vibrant blooms
Effective soil acidifier
Easy application process

We’re thrilled to present the GARDENWISE 8-4-8 Fertilizer—our "Top Money-Saving Choice"!

This budget-friendly, slow-release formula only needs to be applied three times a year, making it a fantastic option for first-time gardeners and seasoned pros alike. 🌿 Enriched with magnesium, iron, and manganese, it guarantees vibrant blooms and robust growth for your acid-loving plants like azaleas and blueberries.

The application is a breeze—just sprinkle and water!

Plus, it acts as an effective soil acidifier, ensuring your plants thrive.

Elevate your gardening game while keeping costs low with this fantastic fertilizer! 🌼

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

Price history for Gardenwise Fertilizer on Amazon

Best for Acid-Loving Plants: Bloom City Fertilizer

Bloom City's Acid-Loving Plant Fertilizer, Soil Acidifier for All Acid Loving Plants, Quart (32 oz)
Highlights
Effective for acid-loving plants
Organic formulation
Simple mixing instructions

We found Bloom City's acid fertilizer to be a standout choice for acid-loving plants.

With its expertly formulated components, it effectively maintains optimal soil acidity, giving your azaleas, blueberries, and rhododendrons just the boost they need for remarkable growth.

The succinic acid helps improve nutrient uptake, ensuring your garden flourishes.

While the strong odor might be a slight downside, the results speak for themselves.

Just mix and watch your plants thrive!

If you're looking for an organic option that delivers, this fertilizer is worth considering for your lush garden paradise. Elevate your gardening game and experience the difference!

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

Price history for Bloom City Fertilizer on Amazon

Best Non-GMO Option: Dr. Earth Fertilizer

Dr. Earth Acid Lovers Azalea, Camellia, Rhododendron & Maple Fertilizer 4 lb
Highlights
Non-GMO verified
Pet safe
Promotes healthy soils

We’re excited to highlight the *Dr.

Earth Acid Fertilizer*, our top pick for the Best Non-GMO Option!

This isn’t just any fertilizer; it’s the only Non-GMO Project Verified option in the U.S.A.

If you’re concerned about what goes into your garden, this product shines bright.

It's crafted from human and feed-grade ingredients without any synthetic chemicals or toxic additives, making it safe for both people and pets.

Packed with essential nutrients like humic acids and trace elements, it nurtures the healthiest soils for vibrant, home-grown veggies.

Plus, its sustainable production underscores a commitment to keeping our planet happy.

Give your acid-loving plants a treat—they deserve the best!

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

Price history for Dr. Earth Fertilizer on Amazon

Best for Edible Gardens: TPS Nutrients Blueberry Fertilizer

TPS NUTRIENTS Blueberry Fertilizer for Acid Loving Fruit and Berry Gardens, Liquid Plant Food, 32 oz (1 Quart)
Highlights
Promotes healthy blueberries
Improves soil pH
Easy to use

We’re excited to highlight this Blueberry Fertilizer, our pick for “Best for Edible Gardens”! Specifically crafted for acid-loving plants like blueberries, it’s an absolute game changer for anyone growing edible landscapes.

Its formula not only promotes robust blueberry growth but also improves soil pH, creating the perfect environment for your plants.

With an impressive 4.5-star rating from over 150 reviews, gardeners love its ease of use.

Just remember, while it’s fantastic for blueberries, apply it with care to avoid overfeeding.

If you're on a mission for luscious berries, this fertilizer is a must-have in your gardening arsenal!

Be sure to also check out the best fertilizer 15-15-15 for more options! Also, here is the price history so you know exactly when to buy!

Price history for TPS Nutrients Blueberry Fertilizer on Amazon

Down To Earth Fertilizer

Down to Earth All Natural Acid Mix Fertilizer 4-3-6, 5 lb
Highlights
All-natural ingredients
Promotes healthy growth
Easy to apply

When it comes to nurturing your garden's favorites, Down To Earth All Natural Fertilizers' Acid Mix is a game-changer.

This natural blend is tailored for acid-loving plants like rhododendrons, azaleas, and blueberries, ensuring they thrive.

We love its slow-release formula, which provides consistent nutrients and minimizes the hassle of frequent applications.

Plus, applying it in early spring sets the stage for lush blooms and abundant fruit.

While the pungent smell might take some getting used to, the eco-friendly, organic ingredients and the boost they give to root growth in fall more than make up for it.

Give your plants the love they deserve!

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

Price history for Down To Earth Fertilizer on Amazon

Scotts Miracle-Gro

Scotts Company Miracle-Gro 1750011 Water Soluble Miracid Acid-Loving Plant Food, 1-Pound (2)
Highlights
Instant plant nourishment
Works on various plants
Easy application process

When it comes to nurturing your prized acid-loving plants, we can’t recommend Miracle-Gro Water Soluble Fertilizer Miracid enough!

This fertilizer takes the guesswork out of plant care by instantly feeding azaleas, hydrangeas, and rhododendrons through both their roots and leaves.

With its double feeding action, your garden gets a powerful boost right away.

Although it's primarily tailored for specific species, the results speak for themselves—just check those 4.8-star ratings!

Keep in mind, it does require multiple applications for continued nourishment, but the mix is easy to use.

Get ready to see your plants thrive!

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 Scotts Miracle-Gro on Amazon

Scotts Turf Builder Acid Fertilizer

Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food - Pre-Emergent Plus Fertilizer, 15,000 sq. ft. (2-Pack)
Highlights
Stops crabgrass effectively
Fast lawn greening
Weather resistant performance

When it comes to keeping your lawn vibrant and free of crabgrass, Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food is a top contender.

We love how it stops crabgrass in its tracks, ensuring your lawn stays strong and healthy all season long.

After a long winter, this product provides a quick green-up that brings your yard back to life.

What’s more, it’s remarkably resilient; rain, snow, or freezing temperatures won’t diminish its effectiveness.

Just remember, this formula isn’t suitable for dichondra or bentgrass lawns, so double-check your grass type.

Overall, it’s a must-try for serious lawn aficionados!

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

Price history for Scotts Turf Builder on Amazon

Jobe's Fertilizer Spikes

Jobe’s Garden Fertilizer Spikes, Organic Fertilizer for Azaleas, Camellias, Rhododendrons, and Other Acid Loving Plants, 10 Count
Highlights
Easy application
No waste or mess
Promotes abundant blooms

When it comes to nourishing your acid-loving plants, Jobe's Organics Flower Fertilizer Spikes are a solid choice.

With a balanced 9-8-7 NPK ratio, these spikes deliver exactly what your azaleas, camellias, and rhododendrons crave for vibrant blooms and lush foliage.

We love how easy they are to apply—simply insert every 4-6 weeks, and let nature do its thing!

Plus, there's no mess or waste to contend with.

While the spike count can sometimes be a bit off and results take time, the convenience and effectiveness make these spikes worthy of a spot in your gardening toolkit.

Happy planting!

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

Price history for Jobe's Fertilizer Spikes on Amazon

Miracle-Gro Plant Food

Miracle-Gro Water Soluble Azalea, Camellia, Rhododendron Plant Food - Fertilizer for Acid-Loving Plants & Flowers, 5 lb.
Highlights
Effective for acid-loving plants
Easy to measure and mix
Safe for various plants

We are thrilled to introduce the Miracle-Gro Water Soluble Azalea, Camellia, Rhododendron Plant Food!

This powerhouse fertilizer is tailor-made for acid-loving plants like azaleas and rhododendrons, ensuring they thrive beautifully.

With its easy mixing ratio, we found it a breeze to apply, whether we're nurturing indoor bookshelves or outdoor gardens.

The best part?

It’s safe for other plants, so you can garden worry-free.

Just remember to feed every 7-14 days for optimal growth—yes, a little commitment is needed!

Overall, this formula scores high for effectiveness, making our plants perk up and say “thank you!”

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

Price history for Miracle-Gro Plant Food on Amazon

Miracle-Gro Acid Fertilizer

Scotts Company Miracle-Gro 1750011 Water Soluble Miracid Acid-Loving Plant Food, 1-Pound
Highlights
Instant results
Boosts plant health
Effective for acid-loving plants

When it comes to taking care of our beloved acid-loving plants, Miracle-Gro Water Soluble Fertilizer Miracid stands out in our eyes.

This product, specially formulated for plants like azaleas and hydrangeas, offers instant feeding that promotes quick blooms and robust root development.

We love how it delivers double feeding action through both roots and leaves, making it effective when time is of the essence.

However, do tread carefully; if you over-apply, it might be a bit too strong for your green friends.

With a stellar rating of 4.7 stars from nearly 2,800 reviewers, it’s definitely a top pick for vibrant gardens!

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

Price history for Miracle-Gro on Amazon

True Organic Berry Food

True Organic Berry Food – Organic Fertilizer for Acid-Loving Plants – 4lb Bag Covers 58 Sq. Ft.
Highlights
Promotes abundant berry harvests
Adjusts soil pH naturally
Nutrient-rich organic blend

When it comes to boosting your berry game, we can’t recommend True Organic Berry Food enough!

This nutrient-rich blend truly shines by not only promoting abundant berry harvests but also adjusting soil pH naturally with the help of sulfur.

Ideal for both in-ground and container plants, it ensures your garden bursts with vibrant fruits throughout the season.

While the monthly application and distinct odor might catch you off guard, the results are undeniably worth it.

With the ability to cover up to 58 sq. ft., it's a perfect choice for dedicated gardeners eager to enrich their soil and maximize their berry yield! 🍓✨

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

Price history for True Organic Berry Food on Amazon

Espoma Soil Acidifier

Espoma Organic Soil Acidifier Soil Amendment; Lowers Soil pH and Turns Hydrangeas Blue! Contains Elemental Sulfur & can be Used for Organic Gardening 30 lb. Bag - Pack of 1
Highlights
Effective for acid-loving plants
Turns hydrangeas blue
Approved for organic gardening

When it comes to nurturing your acid-loving plants, we can confidently recommend Espoma Organic Soil Acidifier.

This powerhouse not only boosts the health of azaleas, rhododendrons, and blueberries but also magically transforms Mophead and Lacecap hydrangeas into stunning electric blue blooms.

With its blend of elemental sulfur and gypsum, it's perfect for organic gardening enthusiasts.

While the packaging can be a bit bulky and dusty during application, the benefits far outweigh the cons.

Plus, it’s crafted right here in the USA, holding a strong position in the natural organics realm since 1929.

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

Price history for Espoma Soil Acidifier on Amazon

Down To Earth Acid Fertilizer

Down to Earth All Natural Acid Mix Fertilizer 4-3-6, 25 lb
Highlights
Effective for acid-loving plants
Promotes lush growth
Value for large quantities

We love the Down To Earth All Natural Acid Mix for its fantastic performance with acid-loving plants!

This 25-pound bag brings a rich 4-3-6 formula that encourages lush flowers and bountiful fruits for rhododendrons, azaleas, and more.

We recommend applying it in early spring and again at bloom time for the best results.

Plus, a fall application can really boost root growth to withstand those chilly winter months.

Do keep in mind, though, that it’s tailored for specific plants and requires pH monitoring.

Overall, it’s a solid choice for nurturing your garden’s acidic treasures!

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

Price history for Down To Earth on Amazon

Espoma Holly-Tone

Espoma Organic Holly-Tone 4-3-4 Evergreen & Azalea Plant Food; 4 lb. Bag; The Original & Best Organic Fertilizer for All Acid Loving Plants Including Azaleas, Rhododendrons & Hydrangeas. Pack of 2
Highlights
Effective for acid plants
Easy to use
Organic gardening approved

Holly-tone is truly the original plant food for all acid-loving flora!

As we apply this organic fertilizer, we immediately notice its power to nourish not just hollies, but a vibrant variety of plants like azaleas and blueberries.

With a balanced 4-3-4 formula and 5% sulfur, it delivers vital nutrients while being environmentally safe—no nasty surprises here!

While the initial odor may catch you off guard, the slow nutrient release means we're planting the seeds for long-lasting growth.

We appreciate its approval for organic gardening, making it a fabulous choice for eco-conscious gardeners.

Give Holly-tone a whirl; your garden will thank you!

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

Price history for Espoma Holly-Tone on Amazon

Smart Grower

Mycorrhizal Fungi with Beneficial Bacteria, Trichoderma, Sea Kelp, Molasses, Yucca, Smart Grower Supercharge Plant Root Enhancer 2oz Super Concentrate Powder Makes 25 Gallons
Highlights
Revives sick plants quickly
Boosts growth and yields
Easy to apply

When we talk about breathing new life into struggling plants, this acid fertilizer is a game changer!

Packed with a potent mix of Mycorrhizal Fungi, Trichoderma, and Bacillus, it’s like a superhero for your roots, helping them absorb nutrients like never before.

The addition of organic goodies like Sea Kelp and Molasses not only fuels faster growth but also leads to heftier harvests—you’ll be amazed by the results!

Plus, with a super concentrated formula making up to 25 gallons, it's easy to use: just mix with water and pour near the roots.

It’s a little package packed with big benefits!

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

Price history for Smart Grower on Amazon

Gardenwise Fertilizer Acid Fertilizer

8-4-8 Acidic Fertilizer for Azaleas, Camellias (Camelia), Hydrangeas, Blueberries, Gardenias, Magnolia Trees, Evergreens, and Rhododendrons - Ideal Iron-Rich Plant Food (1/2 Quart)
Highlights
Enhanced soil health
Cost-effective application
Promotes vibrant blooms

We’re excited to introduce GARDENWISE 8-4-8 Fertilizer, a stellar choice for anyone nurturing acid-loving plants.

With its blend of magnesium, iron, and manganese, this fertilizer prevents chlorosis while promoting vibrant blooms in azaleas, rhododendrons, and all your favorite gardenias.

Its soil acidification feature creates the perfect environment for these beauties to thrive.

Applying this product is a breeze—just sprinkle, mix, and water for effortless gardening.

Plus, it's an economical option, needing only three feedings a year!

Transform your garden into a lush paradise and let GARDENWISE work its magic.

Your plants will thank you!

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

Price history for Gardenwise Fertilizer on Amazon

Ferti-Lome Plant Food

Ferti-Lome Acid Loving Water Soluble Plant Food 31-11-11
Highlights
Effective for acid-loving plants
Easy to mix and apply
Good value for price

When it comes to nurturing our beloved acid-loving plants, Ferti-Lome Liquid Acid Fertilizer stands out as a delightful choice.

With an easy mixing ratio of 1:0.02, this liquid formula effortlessly blends into your plant care routine.

We found it effective for beloved species like azaleas, camellias, and rhododendrons.

While results may be slow for some, the value it provides for its price is undeniably appealing.

Just keep in mind the medium coverage area—it’s not for everyone, but for the right plants, it works wonders!

With a solid 4.5-star rating, it’s certainly worth considering!

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

Price history for Ferti-Lome Plant Food on Amazon

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