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🌿 Grow smarter, not harder — your plants’ secret weapon for life!
Big Foot Mycorrhizal Fungi Inoculant is a 4 oz granular formula containing 7,500 dormant spores designed to enhance plant root systems, growth, and yields. Safe for use around children and pets, it provides long-lasting benefits for up to 30 plants with a single application. Proudly made in the USA by The American Root Company, this product supports healthier, more flavorful produce and robust gardens across lawns, potted plants, flowers, and vegetables.
| ASIN | B01MQTY2Z3 |
| Application Method | Sprinkle into soil or mix with soil |
| Best Sellers Rank | #9,254 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #288 in Garden Fertilizers |
| Brand | Big Foot |
| Brand Name | Big Foot |
| Coverage | 5 tbsp per cubic foot of soil ( 3 lbs per yard) |
| Customer Reviews | 4.7 out of 5 stars 1,412 Reviews |
| Included Components | Mycorrhizae |
| Item Form | Granules |
| Item Highlight | Treats 30 Plants, Granular, USA Made, Pet and Kid Safe, Concentrated Dormant Spores, For Flowers and Vegetables, OMRI, CDFA |
| Item Weight | 4 ounces |
| Manufacturer | The American Root Company |
| Mixing Ratio | tsp per plant. for larger plants add more granular big foot |
| Model Number | BFG04 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | BFG04 |
| Specific Uses For Product | Plant Growth, Root Development, Seed Development, Soil Conditioning |
| Target Species | All plant species |
| UPC | 648620953650 |
| Unit Count | 4 Ounce |
A**R
Amazing!
Amazing product!!! Plants are thriving!
C**S
It works excellent and it works fast
That is truly amazing. I’ve been spreading the word and I could not believe the difference in just a few days with my flowers unbelievable thank you so much.
G**N
Highly recommend for transplanting and uppotting
Used on Peace Lily repotting. Not a single droopy leaf! Happy plant
M**D
Good product
I love when I when I get just what I ordered
P**A
Micorrizas
Llegó a tiempo es la primera vez que la utilizo no se si funcionará. Trae un empaque sellable muy práctico. Solo pondré un 4 porque no puedo decir si es excelente o no asta que pasen varios meses. Si funciona en mis plantas volveré a comprar y dejaré una actualización del producto.
R**E
Improves plant water absorption.
Good value on a valuable planting item to improve water uptake in indoor or outdoor plants.
T**S
Love it
I repotted my plants that outgrown their pot and I transfer some from water and soil and I added this to their pots and they grew so much. My spider plant started blooming. I’m pretty sure I might have to repot these same plants by the end of the summer due to its fast root growth.
S**D
Seems to work well with roses
Never used this stuff before - never even heard of Mycorrhizae. Someone recommended it, done bought some and followed the directions on the bag. I planted five dormant, bare-root “big box store” roses in the spring. Didn’t expect much from $9.95 roses (the local nursery had some for $25+ each - they must be special!) and I was just filling a space in the yard. However, all five are thriving. Several articles I read from rose experts said not to expect much the first year, but my roses are beautiful and blooming! I’d definitely use this stuff again - thinking about added some more “budget” roses next spring. 😁
K**N
Great product, great price
I ordered this product July 29th, 2026, and I applied it to all my plants on August 3rd, it’s august 10th today and my plants are thriving and doing extremely well. I recommend Bigfoot mycorrhizae over more expensive alternatives mykos, great white, and dynomyco. It provides great benefits without increasing your cost per grow too much.
A**R
Works as promised.
Use it on all my repots. Thanks team.
L**R
Highly recommend!!
My plants barley looses leaves after potting UP. I love this brand and have a few things from them!
P**A
Tanner the Planter Recommended
Bought the tiniest bag of these, and use them anytime I replant one of my indoor plants. As Tanner explained, there are good fungi (this) and bad fungi that will make home around your roots, so if you use this instead, it leaves no room for the bad fungi to move in and hurt the root system. It only takes a teaspoon for your little plants so even the tiny bag is going to last me awhile. It also contains worm castings which are a natural fertilizer for your plants. Nothing bad about this product! Will continue to be my go-to product from now on.
I**A
Help to develop root system
Works great.
Trustpilot
5 days ago
1 month ago