---
title: "Mycorrhizal Fungi — $610K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/mycorrhizal-fungi"
last_updated: "2026-08-11T06:03:57.411Z"
locale: en
meta:
description: "Niche score 58/100 · $610K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · $610K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mycorrhizal Fungi — $610K/yr Amazon US Niche (2026) - Flapen"
---
# **mycorrhizal fungi**
**Worth a look**
Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 65Growth 36Conversion 77Competition 50Returns 97Price range 82Avg price 88Brand share 51Review moat 36Quality gap 22
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.32**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.92–$58.08**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$610K**
$610K/yr · 394K searches
**Brand share**
**Good****75%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****55%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+8.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,896.76**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, mycorrhizal fungi is a $610K/yr Amazon United States market (394K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Mar–Apr–May. Verdict: Worth a look — 58/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mycorrhizal fungi market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$610K–$813K**
- units × avg price
- **Conversion rate**
- **7.6%**
- **Avg BSR**
- **#548**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **84%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **72 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▲rising
**Sellers**
**47**
**Top-5 brand share**
**75%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 96%
**Open market**
**20%**
- Xtreme Gardening28% - DYNOMYCO22% - Big Foot12% - plantonix7% - Dr.Raifya's6% - TPS NUTRIENTS5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +8.5% search growth over the last 90 days.
13K8KSpike '24Holiday '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr, May · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/mycorrhizal-fungi/trend)
## **Top mycorrhizal fungi search terms**
- **mycorrhizal fungi**139K/yr-0.6%8.3% conv. - **mycorrhizae**82K/yr-4.0%7.1% conv. - **mycorrhizae for plants**29K/yr+12.8%6.6% conv. - **mykos**22K/yr+42.8%9.8% conv. - **mycorrhizal inoculant**14K/yr+36.7%6.6% conv. - **mycorrhizal**13K/yr+34.4%4.9% conv. - **mycorrhizal fungi for plants**11K/yr+20.3%7.2% conv. - **mykos mycorrhizae**13K/yr+11.7%10.2% conv. - **big foot mycorrhizae for plants**11K/yr-28.0%9.0% conv. - **dynomyco**9K/yr+14.0%5.3% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/mycorrhizal-fungi/search-terms)
## **Top mycorrhizal fungi products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$24K8%$49K12%$73K16%$98K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Xtreme Gardening Mykos Mycorrhizae for Plants- Granular Mycorrhizal Fungi Root Inoculant OMRI Listed Organic Biofertilizer for Stronger Roots & Nutrient Uptake (2.2 lbs)**Xtreme Gardening**$24.51**4.8★8,331 rev](https://www.amazon.com/dp/B003STB5N6) [2**DYNOMYCO Granular Mycorrhizal Fungi Inoculant 50g / 1.76oz Boosts Root Growth Yields & Nutrient Uptake 900 Propagules/g Concentrated Granules & OMRI Listed Biofertilizer for Plant Growth**DYNOMYCO**$11.61**4.6★6,472 rev](https://www.amazon.com/dp/B0FXGX6C4M) [3**Xtreme Gardening Mykos Mycorrhizae for Plants- Granular Mycorrhizal Fungi Root Inoculant OMRI Listed Organic Biofertilizer for Stronger Roots & Nutrient Uptake (1 lb)**Xtreme Gardening**$22.45**4.8★8,331 rev](https://www.amazon.com/dp/B00M21FOD8) [4**DYNOMYCO Granular Mycorrhizal Fungi Inoculant 100g / 3.5oz Boosts Root Growth Yields & Nutrient Uptake 900 Propagules/g Concentrated Granules & OMRI Listed Biofertilizer for Plant Growth**DYNOMYCO**$17.43**4.6★6,472 rev](https://www.amazon.com/dp/B081QF9ZW6) [5**Big Foot Mycorrhizae - Double Your Plant Size Easy to Use Made in USA Treats 30 Plants (7 500 Mycorrhizal Spores) Fertilizer 4 Ounce Package**Big Foot**$13.30**4.7★1,238 rev](https://www.amazon.com/dp/B01MQTY2Z3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dr.Raifyas Mycorrhizal Fungi Inoculant 10X Concentrated Up to 700 Plants Organic Root Stimulator to Boosts Roots Growth & Yield Naturally Safe for Houseplants Garden Vegetables & Fruits 2.2lb**Dr.Raifya's**$23.16**114 rev7mo ago](https://www.amazon.com/dp/B0G6KK3SFB) [**Dr.Raifyas Mycorrhizal Fungi Inoculant 10X Concentrated Up to 150 Plants Organic Root Stimulator to Boosts Roots Growth & Yield Naturally Safe for Houseplants Garden Vegetables & Fruits 8 oz**Dr.Raifya's**$13.89**114 rev7mo ago](https://www.amazon.com/dp/B0G6KPDZ5Q) [**DYNOMYCO Granular Mycorrhizal Fungi Inoculant 50g / 1.76oz Boosts Root Growth Yields & Nutrient Uptake 900 Propagules/g Concentrated Granules & OMRI Listed Biofertilizer for Plant Growth**DYNOMYCO**$11.61**6,472 rev8mo ago](https://www.amazon.com/dp/B0FXGX6C4M) [**RootMax - Mycorrhizal Fungi (75 g/2.64 oz) | Rooting Powder for All Plants Trees Flowers & Edibles | Direct to Root Inoculant | Treats 15+ Plants**Grow Mate**$9.89**996 rev1y ago](https://www.amazon.com/dp/B0CRWJ9NWD) [**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**Smart Grower**$19.62**768 rev2y ago](https://www.amazon.com/dp/B0D7W5T12F)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Dr.Raifyas Mycorrhizal Fungi Inoculant 10X Concentrated Up to 150 Plants Organic Root Stimulator to Boosts Roots Growth & Yield Naturally Safe for Houseplants Garden Vegetables & Fruits 8 oz**Dr.Raifya's**$13.89**4.5★**▲ 181%**](https://www.amazon.com/dp/B0G6KPDZ5Q) [**Dr.Raifyas Mycorrhizal Fungi Inoculant 10X Concentrated Up to 700 Plants Organic Root Stimulator to Boosts Roots Growth & Yield Naturally Safe for Houseplants Garden Vegetables & Fruits 2.2lb**Dr.Raifya's**$23.16**4.5★**▲ 146%**](https://www.amazon.com/dp/B0G6KK3SFB) [**Xtreme Gardening Mykos Mycorrhizae for Plants- Granular Mycorrhizal Fungi Root Inoculant OMRI Listed Organic Biofertilizer for Stronger Roots & Nutrient Uptake (1 lb)**Xtreme Gardening**$22.45**4.8★**▲ 108%**](https://www.amazon.com/dp/B00M21FOD8) [**Xtreme Gardening Mykos WP Mycorrhizae Powder Organic Mycorrhizae for Plants Mycorrhizal Fungi Root Stimulator for Plants Ideal for Seedlings Transplants Bare-Root Trees & Hydroponics (12 oz)**Xtreme Gardening**$24.13**4.7★**▲ 92%**](https://www.amazon.com/dp/B004KPKAZQ) [**DYNOMYCO Granular Mycorrhizal Fungi Inoculant 50g / 1.76oz Boosts Root Growth Yields & Nutrient Uptake 900 Propagules/g Concentrated Granules & OMRI Listed Biofertilizer for Plant Growth**DYNOMYCO**$11.61**4.6★**▲ 44%**](https://www.amazon.com/dp/B0FXGX6C4M)
**~~View all trending →~~**
## **What buyers say about mycorrhizal fungi**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**53%
*“very healthy plants”*
**Quality-Overall**18%
*“Great quality amazing growth rate durability of the packaging is great easy to use”*
**Value For Money**8%
*“Good price”*
**Ease Of Use**7%
*“Easy to use”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Smell**1%
*“haha - it smells like good mushrooms”*
**Strength**1%
*“Solid results”*
**Color**1%
*“follow instructions great size enough for a couple of plants I like the color of it too”*
**Eco Friendliness**1%
*“Healthier environment for healthier plant growth”*
**Moist/Dry**1%
*“Improves hydration to help plants thrive”*
### **What buyers complain about **
**Size-Overall**25%
*“The bag you get is incredibly tiny”*
**Value For Money**15%
*“Too expensive for what you get”*
**Advertised Vs Actual Product**8%
*“The description and pictures are deceiving”*
**Plant Growth**7%
*“so many of my plants were very small”*
**Smell**6%
*“doesnt have a strong smell”*
**Recycle/Reuse**3%
*“came in a non resealable bag”*
**Contamination**3%
*“This has a massive list of bacteria”*
**Quality-Overall**3%
*“I would say this is a poor value for a low quality product that I am too afraid to even try on my house plants”*
**Functionality-Overall**3%
*“The item dont work as described”*
**Color**3%
*“Great white also cheaped out on the scoop they used to provide”*
### **Top return reasons **
**Size-Overall**32%
**Value For Money**16%
**Advertised Vs Actual Product**16%
**Functionality-Overall**10%
**Leak-Proof**10%
**Plant Growth**5%
**Smell**2%
**Defective Material/Parts**1%
**Contamination**1%
**Product Condition**1%
## **Common questions**
- **Is mycorrhizal fungi profitable to sell on Amazon United States?**
- The niche generates $610K/yr across 25 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +8.5%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the mycorrhizal fungi niche?**
- 12 brands and 47 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 75% of demand.
- **What do buyers complain about in mycorrhizal fungi?**
- Top complaints mined from reviews: Size-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 0.5%.
- **When does demand for mycorrhizal fungi peak?**
- Demand peaks in Mar–Apr–May; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the mycorrhizal fungi niche?**
- Listings span $6.92–$58.08; the average listing price is $20.32 (sweet spot $15–$100). The average incumbent carries 2,897 reviews — the moat a new listing must climb.
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