18 Best Plant Growth Boosters for Thriving Greenery

Discover the best plant growth booster to elevate your garden's vitality. Unlock lush greenery and thriving blooms with our expert recommendations.
18 Best Plant Growth Boosters for Thriving Greenery

Top Quick Picks For You

Best Low-Cost Alternative

Bonide Bontone II

Bonide Bontone II

Bonide Bontone II Rooting Powder is an effective and affordable option for promoting root development from cuttings, making it an excellent low-cost alternative for gardeners.

Best for Transplanting Success

Bonide Root & Grow

Bonide Root & Grow

Bonide Garden Rich Root & Grow Root Stimulator is specifically designed for transplants, helping to reduce transplant shock and promote stronger root formation.

Best for Root Development

Trifecta Myco Supreme

Trifecta Myco Supreme

Mycorrhizal Fungi for Soil, Root Stimulator for Plants offers an ultra-concentrated formula that enhances root growth and health, making it the top choice for root development.

Best for Lush Foliage

Miracle-Gro

Miracle-Gro

Miracle-Gro Water Soluble All Purpose Plant Food is packed with essential nutrients that feed plants quickly to encourage vigorous, lush foliage growth, suitable for a variety of plants.

Best Plant Growth Booster

In the vibrant world of gardening, where lush greens and vibrant blooms beckon, achieving optimal plant growth is every gardener's dream. Welcome to your trusted guide for discovering the best plant growth boosters that transform ordinary foliage into extraordinary spectacles. Dive into this treasure trove of knowledge and uncover how the right nutrients can unveil the full potential of your garden's green delights.

Best Low-Cost Alternative: Bonide Bontone II

Bonide Bontone II Rooting Powder, 1.25 oz Ready-to-Use Dust for Houseplants and Transplants Speeds Root Development
GoodNot So Good
Promotes quick root developmentBottle not fully filled
Works on seeds and bulbsNo seal on bottle
Effective for various plantsMay require careful handling

At our review team, we’re all about finding the hidden gems! Bonide Bontone II Rooting Powder is an affordable powerhouse in the garden, earning our title of "Best Low-Cost Alternative." This ready-to-use formula works wonders for promoting rapid root development from cuttings .

Just dip your clipping in the powder and watch as those roots take off in moist soil !

But wait, there's more !

This versatile booster is also great for seeds and bulbs—simply give them a gentle shake in a bag with the powder .

As a bonus, it’s suitable for a variety of plants from veggies to ornamentals .

Get ready to cultivate your green thumb with this fantastic find!

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

Price history for Bonide Bontone II on Amazon

Best for Transplanting Success: Bonide Root & Grow

Bonide Garden Rich Root & Grow Root Stimulator & Plant Starter, 32 oz Concentrate 4-10-3 Fertilizer for Transplanting
GoodNot So Good
Stimulates early root growthPrice may be high
Easy to mix and applyInstructions unclear for dosage
Suitable for various plantsLimited coverage volume

When it comes to achieving transplanting success, we’ve got to hand it to Bonide Garden Rich Root & Grow Root Stimulator .

This powerful elixir is crafted for anyone excited about nurturing new plant life while minimizing that dreaded transplant shock .

With its magic ingredient, IBA, our roots truly thrive !

We love how effortlessly it mixes with water, making application a breeze .

Whether you're sprucing up your garden with vegetables, flowers, or fruit trees, this product has you covered .

While the price might pinch the pocket a bit, the results are undeniably impressive .

Happy planting!

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

Price history for Bonide Root & Grow on Amazon

Best for Root Development: Trifecta Myco Supreme

Mycorrhizal Fungi for Soil, Root Stimulator for Plants, Ultra Concentrated Mycorrhizae for Plants Strong Roots & Living Soil, Trifecta Myco Supreme Plant Root Stimulator for Tree, Rose and Flower Care
GoodNot So Good
Highly concentrated formulaHigher price point
Promotes faster growthRequires careful application
Improves nutrient uptakeLimited packaging size

When it comes to unlocking the potential of your plants, Trifecta Myco Supreme Premium Mycorrhizal Fungi is our top pick for root development .

With its ultra-concentrated formula, this powerhouse delivers a whopping 5,000 propagules per gram, making it 20 times stronger than many competitors .

We love how it promotes explosive growth and enhances nutrient uptake, ensuring your plants are not just surviving but thriving !

While it does come at a higher price point, the superior quality and proven results—up to 25% higher root colonization rates—make it worth the investment .

Whether you’re into potting soil or hydroponics, this product is a game changer for any garden!

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

Price history for Trifecta Myco Supreme on Amazon

Best for Lush Foliage: Miracle-Gro

Miracle-Gro Water Soluble All Purpose Plant Food, 1.5 lbs
GoodNot So Good
Full of essential nutrientsHumid conditions affect storage
Safe for all plantsNeeds frequent feeding
Easy to use with feederRequires mixing with water

We couldn’t wait to try Miracle-Gro Water Soluble All Purpose Plant Food—voted by our team as the Best for Lush Foliage .

This powerhouse product is packed with essential nutrients that instantly nourish your plants, promoting vibrant growth and lush greenery .

With a simple feeding every 1-2 weeks, it’s a breeze to use with your Miracle-Gro garden feeder or any watering can .

Plus, it’s safe for all plants—no burn worries here !

Just keep in mind that humid conditions might impact storage, and it does require mixing with water .

If you want bigger, beautiful plants, this is your go-to solution!

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

Price history for Miracle-Gro on Amazon

SUPERthrive

SUPERthrive The Original Vitamin Solution - Liquid Concentrate, May Add to Any Fertilizing Program, 4 fl. oz.
GoodNot So Good
Enhances root developmentUnpleasant smell
Reduces transplant shockCan be messy
Non-toxic solutionRequires careful measurement

When it comes to boosting plant growth, SUPERthrive truly delivers with its unique blend that includes kelp for an extra nutritious punch .

We love how it aids in root development and helps reduce transplant shock, making those delicate moves much smoother for our green friends .

Best of all, it's a non-toxic vitamin solution, so you can use it confidently for all your gardening needs .

Just a heads-up, though—this product does have an unpleasant smell and can be a bit messy, so careful measurement is key .

For thriving plants, we say give it a go!

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Price history for SUPERthrive on Amazon

Farmer's Secret

Farmer’s Secret Plant Booster (32oz) - Super Concentrated - High Phosphorus Formula for Early Stage Plants - Promotes Root Growth
GoodNot So Good
Promotes huge growthRequires dilution
Super concentrated formulaLimited to specific applications
Easy to useMay not suit all plants

We’re excited to introduce the Farmer’s Secret Plant Growth Booster !

This high phosphorus formula is the magic elixir your plants have been craving, promoting huge growth, robust roots, and those luscious leaves we all adore .

With its super concentrated formula, a mere teaspoon diluted in two gallons of water can transform your garden .

Simply integrate it into your regular watering routine every 2-4 weeks, and watch your plants thrive !

Proudly made in Kentucky, this product harnesses the expertise of award-winning farmers .

Just keep in mind that it may not suit all plants, but for many, it's a game-changer!

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Price history for Farmer's Secret on Amazon

Miracle-Gro Plant Food Plant Growth Booster

Miracle-Gro Watering Can Singles All Purpose Water Soluble Plant Food, For Flowers, Vegetables, Houseplants, Trees, Indoor and Outdoor Plants, 24 Packets
GoodNot So Good
Easy to useLimited to pre-measured packets
No mess applicationRequires regular reapplication
Effective growth resultsMay not suit all plants

When it comes to boosting plant growth, Miracle-Gro Water Can Singles are a game changer .

This all-purpose plant food makes it a breeze to nourish everything from flowers to vegetables .

We love how the pre-measured packets eliminate mess and guesswork—just tear, pour, and water !

With a promise of doubling your plant size, it's hard not to get excited .

Simply reapply every 7-14 days for thriving greenery .

While these handy packets may not suit every plant, the effective results speak volumes .

If you're looking for an easy, no-fuss solution to elevate your garden, we think this is a must-try!

Be sure to also check out the best greenhouse thermometer 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

Farmer's Secret

Farmer’s Secret Fruit & Bloom Booster Fertilizer (16oz) - Super Concentrated - Increases Flowering and Yield on All Varieties of Fruits, Vegetables and Flowers
GoodNot So Good
Promotes vibrant bloomsCan drip when pouring
Highly concentrated formulaRequires careful dilution
Easy to useMay take time for results

When it comes to getting your garden to flourish, Farmer's Secret Plant Growth Booster is a game-changer !

We’ve seen firsthand how this super-concentrated formula transforms plants into lush beauties, producing vibrant fruit and stunning blooms .

Its strength lies in strengthening roots, aiding in nutrient uptake, which is key for healthy growth .

Plus, it’s versatile—perfect for everything from citrus trees to roses .

Just remember, a little goes a long way—1 teaspoon per 2 gallons of water is all you need !

While it requires careful dilution and can drip a bit, the results are worth the minor fuss .

Your plants will thank you!

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

Price history for Farmer's Secret on Amazon

Miracle-Gro

Miracle-GRO 100404 LiquaFeed Bloom Booster Flower Food, 4-Pack (Liquid Plant Specially Formulated for Flowers)
GoodNot So Good
Fast flower bloomingBottle may leak
Easy to useMessy cleanup
Improves flower colorRequires frequent application

When it comes to boosting flower growth, we can confidently say that the Scotts Miracle-Gro Liquafeed Refill is a top contender .

This powerhouse formula delivers rapid results with stunning blooms that truly bring your garden to life .

We love how easy it is to use—just mix and apply, and watch your flowers flourish !

However, be prepared for a bit of a messy cleanup if the bottle leaks, and keep in mind you'll need to apply it frequently for the best results .

With a stellar rating of 4.7 stars from over 600 reviews, this liquid booster is a gardener's secret weapon!

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Price history for Miracle-Gro on Amazon

Espoma Bloom! Plant Growth Booster

Espoma Organic Bloom! 16-Ounce Concentrated Plant Food – Plant Fertilizer and Bloom Booster for All Flowering Plants. Promotes Vigorous Growth and Blooming
GoodNot So Good
Effective for flowering plantsSlightly unpleasant odor
Suitable for organic gardeningRequires regular application
Great customer servicePotential for overwatering

When it comes to nurturing our beautiful blooms, Espoma Organic Bloom! truly stands out in the crowd .

This liquid concentrate is packed with natural proteins, kelp extracts, and humic acids, giving our flowering plants the boost they deserve .

We love how easy it is to apply—just mix with water and feed every 2-4 weeks throughout the growing season .

Plus, knowing it’s approved for organic gardening gives us peace of mind while we cultivate our green spaces .

While it has a slightly unpleasant odor, the results are undeniable .

Let your garden flourish with Bloom!—you won’t regret it!

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

Price history for Espoma Bloom! on Amazon

Miracle-Gro Bloom Booster

Miracle-Gro Water Soluble Bloom Booster Flower Food
GoodNot So Good
Exceptional GrowthNo Measuring Scoop
Easy to UseNon-resealable Packaging
Fast ResultsHigher Price

When it comes to boosting your blooms, Miracle-Gro's Plant Growth Booster delivers exceptional results in a flash !

We found that when using this product, our flowers practically exploded with vibrant color compared to their unfed counterparts .

It's incredibly straightforward: just mix one tablespoon per gallon and feed your plants every two weeks, and you'll see the difference .

While it doesn't come with a measuring scoop and the packaging isn’t resealable, the impressive growth and quick results make it worth the investment .

If you're looking to elevate your garden game, this powerful booster is a must-try!

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

Price history for Miracle-Gro Bloom Booster on Amazon

Garden Safe TakeRoot

Garden Safe Brand TakeRoot Rooting Hormone, Helps New Plants grow from Cuttings, 2 Ounces, 2 Pack (HG-93221)
GoodNot So Good
Promotes strong root growthUser skill required
Works for multiple plantsHigher price than competitors
Easy application processNot a guaranteed success

If you're eager to propagate your favorite plants, Garden Safe's rooting hormone is a game changer !

We love how it promotes strong root growth for a variety of plants, from roses to philodendrons .

The simple application process makes it easy to get started—moisten your cutting, dip, tap off the excess, and plant .

However, keep in mind that while it can work wonders, successful rooting isn’t guaranteed and requires some user skill .

With its special ingredient—Indole-3-butyric acid, similar to natural plant root hormones—this product is definitely worth considering for your gardening toolkit! 🌱

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

Price history for Garden Safe TakeRoot on Amazon

Smart Grower Plant Growth Booster

Mycorrhizal Fungi Organic Root Enhancer for Plants, Super Potent 100 Spores Per Gram, 5-Strain Blend, Rapid Results for Gardens, Houseplants, Lawns, Mycorrhizae Smart Grower 125 Grams for 125 Plants
GoodNot So Good
Organic and safe formulaHigher price point
Fast and effective resultsRequires mixing with soil
Best value for moneyLimited to specific usage

When it comes to boosting plant growth, Smart Grower 5-Strain Mycorrhizal Fungi stands out as a powerhouse .

We love that it comes alive and potent, unlike some competitors' lackluster products !

Its unique blend of five strains ensures our plants receive the best possible nourishment for vibrant growth .

The ease of mixing it with water or adding it directly to the roots makes it a breeze to use, and the rapid results are truly impressive .

Plus, it's organic and safe for everyone—plants, pets, and even kids !

While it may be on the pricier side, the value and effectiveness are unbeatable.

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Price history for Smart Grower on Amazon

Gardentech RootBoost

RootBoost Rooting Hormone 2 Ounces
GoodNot So Good
Easy to useMay be too weak
Professional-grade formulaLacks ingredient transparency
Great for multiple cuttingsVariable effectiveness

We’re excited to share our thoughts on this incredible plant growth booster !

Designed for both indoor and outdoor plants, it makes propagation a breeze .

With Hormodin 1, a professional-grade formula, it excels at encouraging faster rooting from your cuttings .

It's as simple as cut, dip, and plant !

While it provides enough rooting hormone for hundreds of cuttings, we did notice some variability in effectiveness and a lack of ingredient transparency that might raise an eyebrow for the cautious gardener .

Nevertheless, if you’re diving into container gardening or enhancing your garden ornaments, this booster is worth a try!

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Price history for Gardentech RootBoost on Amazon

The Grow Co Plant Enzymes

Plant Enzymes for Outdoor & Indoor Houseplants - Hydroponic Plant Food for Increased Nutrients - Bloom Booster Fertilizer & Root Stimulator for Plants, 7000+ Active Enzymes per mL, 4 Fl Oz (100+ Gal)
GoodNot So Good
High-quality active enzymesMild natural scent
Rejuvenates reused soilConcentrated, may waste
Easy to useLimited to specific applications

When it comes to choosing the best plant growth booster, we can't recommend The Grow Co's enzyme blend enough !

Packed with over 7,000 active enzymes per milliliter, this product is a powerhouse for rejuvenating your soil and giving your plants the nutrients they crave .

We love how it cleanses the root structure, allowing for optimal nutrient uptake, which is essential for both wilting and blooming plants .

Plus, it’s highly concentrated—just one milliliter per gallon of water makes it easy to use throughout the growth cycle .

While it does have a mild natural scent, the boost it gives your plants totally outweighs this small drawback! 🌱✨

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Price history for The Grow Co Plant Enzymes on Amazon

Miracle-Gro Liquafeed Plant Growth Booster

Miracle-Gro Liquafeed Bloom Booster Flower Food Refills, Pack of 2
GoodNot So Good
Easy to useCan't refill bottles
Promotes abundant bloomsPlastic durability concerns
Covers large areaRequires regular feeding

We’re excited to share our thoughts on Miracle-Gro’s Liquid Plant Growth Booster !

This liquid gem makes feeding your plants a breeze—just mix and water, and voilà, lush blooms are on the way !

We appreciate that it covers a generous 400 square feet, transforming even the most lackluster garden into a vibrant paradise .

With a recommended feeding every 1-2 weeks, you'll notice the difference as your plants thrive .

However, keep in mind that the bottles can’t be refilled and are a bit delicate .

Overall, if you’re seeking stunning blooms, this product is definitely worth consideration!

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Price history for Miracle-Gro Liquafeed on Amazon

Element Nutrients Bloom Booster

Bloom Booster and Yield Enhancer for Plants - Big, Heavy, Healthy Harvests, for Use in Soil and Hydroponics - Concentrated Phosphorus and Potassium - Flower Fuel 1-34-32, 250g
GoodNot So Good
Effective for various plantsRequires careful measurement
Multiple beneficial ingredientsChemical composition concerns
Great cost per gallonPremium price point

Flower Fuel is a powerhouse in the world of plant growth boosters !

As a 100% hydroponic-grade bloom fertilizer, it seamlessly integrates with any nutrient system, whether you’re using soil or going all-in with hydroponics .

With over 40 proprietary ingredients, this magic powder not only promises larger and denser harvests but also treats a whopping 200 gallons of water—brilliant value for your gardening investment !

While you'll need to be precise with measurements, the results are undeniable .

We appreciated its effectiveness on a variety of plants, making it perfect for garden enthusiasts .

Just remember, quality often comes with a premium price tag!

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Price history for Element Nutrients Bloom Booster on Amazon

KARRIKAID Vegetable Booster

Vegetable Booster for Liquid Plant Food with Vegetables or Tomato Fertilizer Works as a Root Booster for Garden Soil - 32 fl oz
GoodNot So Good
Enhances nutrient availabilityLacks ingredient transparency
Strengthens roots effectivelyInsufficient directions provided
Cost-effective for usageWarnings not clearly listed

When it comes to maximizing your garden's potential, Karrikaid Vegetable Root Booster is a game-changer .

This liquid marvel is crafted to enhance nutrient availability, making it a staple for any vegetable garden .

We love how it promotes robust root development, leading to healthier plants and—let's be honest—who doesn't want a bountiful harvest ?

With its concentrated formula, one bottle makes up to 64 gallons of solution, making it cost-effective for those regular applications .

While there could be more transparency on ingredients and clearer directions, the results speak volumes .

Trust us; your plants will thank you!

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

Price history for KARRIKAID Vegetable Booster on Amazon

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