---
title: "Milky Spore — $805K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/milky-spore"
last_updated: "2026-08-05T21:55:38.583Z"
locale: en
meta:
description: "Niche score 57/100 · $805K/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 57/100 · $805K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Milky Spore — $805K/yr Amazon US Niche (2026) - Flapen"
---
# **milky spore**
**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 73Growth 80Conversion 77Competition 11Returns 97Price range 65Avg price 88Brand share 0Review moat 41Quality gap 48
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$63.27**
avg listing price — sweet spot $15–$100
**Growth**
**Great****+72.2%**
90-day search growth — must beat 0% to launch
**Conversion**
**Great****7.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$805K**
$805K/yr · 169K searches
**Price range**
**Good****$22.86–$142.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,402.11**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****87%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, milky spore is a $805K/yr Amazon United States market (169K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 57/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **milky spore market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$949K–$1.3M**
- units × avg price
- **Conversion rate**
- **7.5%**
- **Avg BSR**
- **#29**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **44%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **80 months**
- **Avg seller age**
- **143 days**
## **Competition & brand share**
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**39**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**87%**
Top 20: 100%
**Open market**
**0%**
- St. Gabriel Laboratories79% - ST. GABRIEL12% - Scotts5% - Bayer Advanced3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +72.2% search growth over the last 90 days.
9K7KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 10.0×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/milky-spore/trend)
## **Top milky spore search terms**
- **milky spore**83K/yr+96.5%8.6% conv. - **milky spore grub control**45K/yr+18.1%8.5% conv. - **milky spore powder**21K/yr+151.8%7.2% conv. - **milky spore granules**10K/yr+71.6%8.8% conv. - **milky spores**6K/yr+42.7%7.7% conv. - **milky spores for grubs**3K/yr+35.6%7.2% conv. - **milky spores granules for grubs**627/yr-17.9%10.1% conv. - **milky spore powder japanese beetle control**1K/yr+208.3%6.8% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/milky-spore/search-terms)
## **Top milky spore 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%15%$121K30%$241K45%$362K60%$483K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**St. Gabriel Organics - 15 Pound Milky Spore Granular Natural Japanese Beetle Grub Control and Repellent for Lawn and Garden Care**St. Gabriel Laboratories**$48.27**4.5★628 rev](https://www.amazon.com/dp/B0CGMNW1NM) [2**St. Gabriel Organics Milky Spore Powder 10oz - Japanese Beetle Grub Killer for Lawns**St. Gabriel Laboratories**$28.17**4.4★1,425 rev](https://www.amazon.com/dp/B00QV42V24) [3**St. Gabriel Organics Milky Spore Powder 10oz Japanese Beetle Grub Killer for Lawns**ST. GABRIEL**$27.35**4.4★830 rev](https://www.amazon.com/dp/B008EV7BX6) [4**Scotts GrubEx1 Season Long Grub Killer 5 000 sq. ft.**Scotts**$22.86**4.5★12,306 rev](https://www.amazon.com/dp/B0050DV4ZW) [5**St. Gabriel Organics Milky Spore Powder 40oz - Japanese Beetle Grub Killer for Lawns**St. Gabriel Laboratories**$78.22**4.4★1,425 rev](https://www.amazon.com/dp/B000BX4VHE)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**St. Gabriel Organics 2-in-1 Combo Pack 40oz Milky Spore Powder Japanese Beetle Grub Killer and Lawn & Garden Dispenser Applicator Tube**St. Gabriel Laboratories**$101.55**1,425 rev5mo ago](https://www.amazon.com/dp/B0GN3G2V7Y) [**St. Gabriel Organics Milky Spore 15lbs Pack of 2 - Japanese Beetle Grub Killer Granules for Lawns**St. Gabriel Laboratories**$96.44**628 rev5mo ago](https://www.amazon.com/dp/B0GNN3NND4) [**St. Gabriel Organics Milky Spore 15lbs Pack of 3 - Japanese Beetle Grub Killer Granules for Lawns**St. Gabriel Laboratories**$142.23**628 rev5mo ago](https://www.amazon.com/dp/B0GMY3PW6Q) [**St. Gabriel Organics - 15 Pound Milky Spore Granular Natural Japanese Beetle Grub Control and Repellent for Lawn and Garden Care**St. Gabriel Laboratories**$48.27**628 rev2y ago](https://www.amazon.com/dp/B0CGMNW1NM) [**BioAdvanced Season Long Grub Control Granules - Kills Grubs Mole Crickets Cinch Bugs and More - Creates Protective Zone - 10 lb Bag**Bayer Advanced**$24.39**2,324 rev4y ago](https://www.amazon.com/dp/B09K95XHY4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**St. Gabriel Organics Milky Spore 15lbs Pack of 3 - Japanese Beetle Grub Killer Granules for Lawns**St. Gabriel Laboratories**$142.23**4.5★**▲ 62%**](https://www.amazon.com/dp/B0GMY3PW6Q) [**St. Gabriel Organics 2-in-1 Combo Pack 40oz Milky Spore Powder Japanese Beetle Grub Killer and Lawn & Garden Dispenser Applicator Tube**St. Gabriel Laboratories**$101.55**4.4★**▲ 61%**](https://www.amazon.com/dp/B0GN3G2V7Y) [**St. Gabriel Organics Milky Spore Powder 10oz - Japanese Beetle Grub Killer for Lawns**St. Gabriel Laboratories**$28.17**4.4★**▲ 48%**](https://www.amazon.com/dp/B00QV42V24) [**St. Gabriel Organics Milky Spore 15lbs Pack of 2 - Japanese Beetle Grub Killer Granules for Lawns**St. Gabriel Laboratories**$96.44**4.5★**▲ 22%**](https://www.amazon.com/dp/B0GNN3NND4) [**Scotts GrubEx1 Season Long Grub Killer 5 000 sq. ft.**Scotts**$22.86**4.5★**— 7%**](https://www.amazon.com/dp/B0050DV4ZW)
**~~View all trending →~~**
## **What buyers say about milky spore**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Pest/Insect Control**23%
*“Kills cockroaches”*
**Quality-Overall**16%
*“Extremely pleased with results”*
**Advertised Vs Actual Product**16%
*“As advertised”*
**Ease Of Use**12%
*“Easy to use”*
**Plant Growth**8%
*“Very beautiful when they are in bloom”*
**Value For Money**8%
*“Good price”*
**Safety Standards**3%
*“It is safe for pets children and wildlife”*
**Durability**3%
*“Price value an durability”*
**Functionality-Overall**2%
*“It works”*
**Ease Of Cleaning**2%
*“we used it in a hand held spreader so not messy”*
### **What buyers complain about **
**Functionality-Overall**40%
*“tried b4 didnt seem to help trying again”*
**Pest/Insect Control**17%
*“For YEARS I have been combatting Japanese beetles on my roses and other flowers and spending a small fortune on insecticide while my flowers were ruined daily”*
**Plant Growth**6%
*“Not effective in my lawn”*
**Size-Overall**6%
*“Bags smaller then I thought”*
**Natural Resource Wastage**4%
*“Waste of money”*
**Durability**4%
*“Only lasts 4 months”*
**Hard Feel**4%
*“Yes, this stuff is a bit harsh, on the ground”*
**Instructions/User Manual/Troubleshooting**4%
*“Instructions Suck”*
**Value For Money**4%
*“This is expensive because it works”*
**Jamming/Clogging**2%
*“go often clearing the constant clogging in the spreader”*
### **Top return reasons **
**Value For Money**23%
**Functionality-Overall**21%
**Advertised Vs Actual Product**18%
**Size-Overall**10%
**Leak-Proof**9%
**Pest/Insect Control**7%
**Eco Friendliness**3%
**Instructions/User Manual/Troubleshooting**2%
**Contamination**1%
**Defective Material/Parts**1%
## **Common questions**
- **Is milky spore profitable to sell on Amazon United States?**
- The niche generates $805K/yr across 9 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +72.2%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the milky spore niche?**
- 4 brands and 39 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in milky spore?**
- Top complaints mined from reviews: Functionality-Overall, Pest/Insect Control, Plant Growth. The return rate is 0.5%.
- **When does demand for milky spore peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 10.0× the quietest.
- **What does it cost to enter the milky spore niche?**
- Listings span $22.86–$142.23; the average listing price is $63.27 (sweet spot $15–$100). The average incumbent carries 2,402 reviews — the moat a new listing must climb.
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