15 Best Tree Root Stimulators for Thriving Gardens

Discover the best tree root stimulator to nurture your plants' growth, ensuring lush foliage and vibrant roots with ease and efficiency.
BrandMy RatingPrice
Bonide
Best Cheap Pick
8.8/10
Ferti-Lome
Best for New Gardeners
9.0/10
Trifecta
Best for Transplant Success
9.2/10
Hormex
Best for Indoor Plants
9.0/10
Nutriling
9.2/10

Best Tree Root Stimulator

Are you ready to nurture the hidden potential of your trees with the finest tree root stimulator on the market? In the bustling world of gardening, the roots are the unsung heroes, anchoring your leafy friends while drawing in vital nutrients from the soil. Join us as we explore the top contenders that promise to bolster root development, transforming your yard into a flourishing oasis.

Best Cheap Pick: Bonide Root & Grow

Bonide Garden Rich Root & Grow Root Stimulator & Plant Starter, 32 oz Concentrate 4-10-3 Fertilizer for Transplanting
Highlights
Stimulates early root formation
Easy to apply
Suitable for various plants

When it comes to kickstarting your garden, Bonide Garden Rich Root & Grow is the budget-friendly champion we've been eagerly recommending.

As our pick for the "Best Cheap Pick," this root stimulator is perfect for almost any plant—think transplants, houseplants, veggies, and even fruit trees!

With its active ingredient, IBA, it beautifully encourages early root formation, reducing that pesky transplant shock.

While the application is a breeze—just mix with water and pour—it does come with couple of cons.

The price may not be the lowest, and some of our fellow gardeners have noted unclear instructions and mixed results.

Still, we think it's a fantastic option for nurturing those roots!

Be sure to also check out the best tree sprayer 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 New Gardeners: Ferti-Lome Root Stimulator

Fertilome (10650) Root Stimulator & Plant Starter Solution 4-10-3 (1 gal)
Highlights
Stimulates early root formation
Effective for various plants
Improves transplant success rate

When it comes to nurturing your plants from the very beginning, Fertilome Root Stimulator & Plant Starter Solution stands out as our top pick for new gardeners.

We love how easy to use it is—perfect for those just starting out!

This product is packed with indole-3-butyric acid, a plant hormone that kickstarts root formation, ensuring your transplants, veggies, and flowers get the best start possible.

With its balanced 4-10-3 fertilizer formula, it supports robust root growth, making your plants thrive like never before.

Just remember to follow the instructions closely for amazing results! 🌱

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

Price history for Ferti-Lome Root Stimulator on Amazon

Best for Transplant Success: 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
Highlights
Strongest concentrated formula
Bigger, denser roots
Improves drought resistance

When it comes to nurturing your new plants, we can confidently say that Trifecta Myco Supreme Mycorrhizal Fungi is a game-changer.

This product shines as the best choice for transplant success, effectively reducing transplant shock and creating healthier root systems.

With its ultra-concentrated formula delivering 5,000 propagules per gram, you're guaranteed to see bigger, denser roots that absorb more nutrients.

While it comes at a slightly higher price, the results are worth it, offering up to 25% more root colonization to give your plants that extra boost.

Plus, one application is all you need!

Whether you're working with flowers, vegetables, or trees, Trifecta's mycorrhizal fungi provides excellent support.

Be sure to also check out the best vermiculite 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 Indoor Plants: Hormex

Hormex Rooting Hormone Concentrate with B1 – Root Growth Stimulator for Stronger, Thriving Plants - Prevents Transplant Shock - Hydroponics, Houseplants, Gardens, Trees, Fruits and Vegetables - 4oz
Highlights
Prevents transplant shock
Accelerates root growth
Compatible with all mediums

When it comes to giving your indoor plants the ultimate boost, we’ve found a standout contender: Hormex Rooting Hormone Concentrate!

Awarded our title for the Best for Indoor Plants, this efficient powerhouse not only prevents transplant shock but also accelerates root growth, making it perfect for all your favorite greens.

Whether you're working with soil, coco coir, or hydroponics, its versatility is a breath of fresh air.

Just a small amount added to your watering routine goes a long way!

While the bottle may be small and the shipping a tad slow, the results speak volumes.

Get ready for luscious foliage and a healthier plant ecosystem!

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 Hormex on Amazon

Nutriling Root Invader

Root Stimulator for Plants, Seedling Fertilizer, Root Stimulator for Tree, Rose, Flowers. Indoor and Ourdoor Gardens. Root Invader - Rooting Powder for Plants 8OZ
Highlights
Boosts root mass
Effective for plant cuttings
Enhances nutrient absorption

We’re excited to share our thoughts on the Root Invader Powder, an outstanding tree root stimulator that packs a punch in the plant care world.

This innovative product takes root stimulation to the next level by boosting root mass and enhancing nutrient absorption.

Perfect for indoor potting soil, it acts as a powerhouse for seedlings and plant cuttings alike.

One of our favorite features is how it fosters a thriving microbial system around the roots, ensuring your plants soak up all the goodness they need.

Just a sprinkle can create a lush environment, making it a fantastic addition to your grow dots routine.

However, be mindful—over-application can lead to hiccups!

Happy gardening!

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

Price history for Nutriling Root Invader on Amazon

TPS Nutrients

TPS NUTRIENTS Root Stimulator for Trees, Great for Transplanting and Established Tree Roots, Soil Probiotics Including Mycorrhizae, Bacteria and Trichoderma (6 Ounces)
Highlights
Effective for new trees
Highly rated by users
Easy to apply

We’re excited to share our thoughts on this game-changing root stimulator by TPS Nutrients!

Designed for both new transplants and established trees, it delivers a powerful boost that nurtures growth right from the start.

With an impressive average rating of 5 stars from 16 users, it’s clear that folks love its effectiveness and ease of application.

However, keep in mind that this product comes in a modest 6-ounce package, which might require multiple applications for maximum benefit.

While it’s a tad pricier than some alternatives, the results are worth every cent.

Get ready to watch your trees thrive!

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

Price history for TPS Nutrients on Amazon

Hormex Rooting Powder Tree Root Stimulator

Hormex Rooting Powder #8 (0.80 IBA) - Rooting Hormone for Semi-Hardwood Houseplants, Medicinal and Tree Cuttings - Root Stimulator for Plant Cloning - Strong Roots for Maximum Propagation Success
Highlights
Promotes fast root growth
Various strengths available
Clean and minimal ingredients

When it comes to encouraging robust root growth for your plant cuttings, Hormex Rooting Powder stands out as a top choice.

We love its versatility; with four different strengths (0.1 to 1.6 IBA), it caters to all propagation needs—whether you’re nurturing softwood, hardwood, or rare ornamentals.

This powder is impressively clean, packed with none of the nasties like alcohol or dyes.

While some users have noted it can be a bit messy and requires careful application, the potential for vibrant and thriving plants makes it worth the effort.

For a green-thumb boost, Hormex is our go-to!

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

Price history for Hormex Rooting Powder on Amazon

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
Highlights
Highly concentrated formula
Increases root growth
Improves nutrient uptake

When it comes to revitalizing your plants, Trifecta Myco Supreme is a powerhouse.

With a formulation that's 20 times more concentrated than leading brands, this mycorrhizal inoculant guarantees stronger, healthier roots.

We love how easy it is to use—just sprinkle or mix it into your watering routine for explosive plant growth!

This all-natural and organic formula features a whopping 5,000 propagules per gram, ensuring your roots are thriving in no time.

While it may come with a higher price tag, the bigger yields and improved nutrient uptake justify the investment.

Your garden deserves the best, and this product delivers!

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

Price history for Trifecta Myco Supreme on Amazon

Smart Grower

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
Highlights
Effective mycorrhizal blend
Fast results with ease
Safe for people and pets

When it comes to boosting your plants' root systems, we can't recommend Smart Grower 5-Strain Mycorrhizal Fungi enough!

Don’t be fooled by inferior products; this powerhouse offers living fungi spores for maximum potency.

With a carefully curated blend of five mycorrhizal strains, it’s engineered for serious results, letting your plants thrive without harsh chemicals.

Users rave about its simplicity—just mix it with water or apply it directly to roots for rapid growth!

Plus, it’s safe for pets and the planet, giving you peace of mind.

For those seeking healthy, vibrant plants, this is undoubtedly the best investment you can make!

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

Price history for Smart Grower on Amazon

Keyfit Tools Tree Root Stimulator

Keyfit Tools Tree Fertilizer Spike LAND STAKER 2.0 Get Your Root Feeder Spikes 1 Foot Deeper For Deep Root Tree & Shrub Fertilizing ~ Or Use Your Own Granular Fertilizer DOES NOT Come With Fert Spikes
Highlights
Deep hole creation
Durable solid steel
Versatile for multiple uses

If you're on the hunt for a tree root stimulator that really delivers, look no further than this versatile tool from Keyfit Tools.

We love how it drives fertilizer spikes up to 12 inches deeper, ensuring your plants get the nutrients they crave right where they need it.

The solid steel construction means it's tough enough to tackle even the most stubborn soils, and its 5-in-1 functionality is a game-changer for anyone with a green thumb.

While it may be a bit on the heavier side, the benefits far outweigh the drawbacks.

Say goodbye to burnt turf and hello to lush greenery!

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

Price history for Keyfit Tools on Amazon

Miracle-Gro Spikes

Miracle-Gro Tree and Shrub Plant Food Spikes, For Deciduous, Flowering and Evergreen Trees, 12 Spikes
Highlights
Easy to use
Promotes vibrant growth
Designed for multiple plants

When it comes to giving your trees the nourishment they crave, we can’t recommend Miracle-Gro Tree & Shrub Plant Food Spikes enough!

They’re a breeze to use: simply place them around your trees’ drip lines in spring and fall, and watch as vibrant colors and lush foliage unfold.

Designed for a variety of trees and shrubs, this product packs a punch for deciduous, flowering, and even acid-loving plants.

Though a few spikes may arrive broken, their effectiveness outweighs this minor drawback.

With 12 spikes included, you’ll have enough to pamper three trees.

Get ready for spectacular growth!

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 Miracle-Gro Spikes on Amazon

Xtreme Gardening Mykos

Xtreme Gardening RTI RT4402 Mykos, 2.2-Pound Bag
Highlights
Improves root growth
Increases nutrient uptake
Easy application

When it comes to nurturing your plants, Xtreme Gardening’s tree root stimulator is an exciting option!

We love its superior nutrient management, which ensures your plants receive the balanced supply of vitamins and minerals they need for robust growth.

The application is a breeze—just once a year at planting.

Plus, it dramatically enhances root growth and increases nutrient uptake, making plants healthier and more resilient against stressors like drought and pests.

While it does come with a higher price tag and takes some time to show results, the benefits—especially for specific plants like pumpkins—make it worth considering.

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 Xtreme Gardening Mykos on Amazon

SUPERthrive Tree Root Stimulator

SUPERthrive The Original Vitamin Solution - Liquid Concentrate, May Add to Any Fertilizing Program, 4 fl. oz.
Highlights
Enhances plant growth
Reduces transplant shock
Easy to use

When it comes to giving your plants the boost they need, SUPERthrive is a game changer.

Infused with kelp, this non-toxic liquid marvel provides essential nutrients from the sea to enhance your greenery's growth.

Whether you're transplanting or just maintaining, its formula supports root development and significantly reduces transplant shock.

With an impressive 4.7-star rating from over 24,000 users, it’s clear that plant enthusiasts swear by it.

However, be prepared for an unpleasant smell and a slightly messy application.

Despite that, we believe it’s a small price to pay for the vibrant garden you’ll achieve!

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

Price history for SUPERthrive on Amazon

Bonide Bontone II

Bonide Bontone II Rooting Powder, 1.25 oz Ready-to-Use Dust for Houseplants and Transplants Speeds Root Development
Highlights
Promotes quick root development
Versatile for seeds and cuttings
Effective for various plants

Bontone rooting powder by Bonide is our go-to solution for promoting rapid root development.

We love how easily it works—just dip the end of your cuttings into the powder and place them in moist soil.

But that’s not all!

This versatile powder is also fantastic for seeds and bulbs; simply shake them with the powder in a bag, and you’re good to go.

It stimulates growth in a variety of plants, from azaleas to fruit trees.

While the bottle may not be completely filled and lacks a seal, its performance outweighs these minor quirks.

Give your plants the best start possible!

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

Price history for Bonide Bontone II on Amazon

Garden Safe TakeRoot

Garden Safe Brand TakeRoot Rooting Hormone, Helps New Plants grow from Cuttings, 2 Ounces, 2 Pack (HG-93221)
Highlights
Promotes root growth
Easy to apply
Cost-effective two-pack

When it comes to nurturing new plant life, Garden Safe's rooting hormone truly stands out as a must-have.

Designed to promote rooting, this product harnesses the power of indole-3-butyric acid, mimicking the natural hormones plants produce.

Applying it is a breeze: simply moisten your cutting, dip the end in the powder, and voilà!

You'll be encouraging roots on a variety of favorites from African violets to geraniums.

While it’s mostly reliable, a little knowledge goes a long way.

Plus, its two-pack makes it a cost-effective choice.

Get ready to blossom with confidence!

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 Garden Safe TakeRoot on Amazon

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