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.

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.

Returns

Incredible0.5%

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

Great7.5%

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

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,402.11

avg incumbent reviews — the moat a new listing must climb

Competition

Bad87%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

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

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

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

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.

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 10.0×

Open Trend

Top milky spore search terms

milky spore83K/yr +96.5%8.6% conv.
milky spore grub control45K/yr +18.1%8.5% conv.
milky spore powder21K/yr +151.8%7.2% conv.
milky spore granules10K/yr +71.6%8.8% conv.
milky spores6K/yr +42.7%7.7% conv.
milky spores for grubs3K/yr +35.6%7.2% conv.
milky spores granules for grubs627/yr -17.9%10.1% conv.
milky spore powder japanese beetle control1K/yr +208.3%6.8% conv.

All 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.

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

St. Gabriel Organics - 15 Pound Milky Spore Granular Natural Japanese Beetle Grub Control and Repellent for Lawn and Garden Care

St. Gabriel Laboratories$48.274.5★628 rev

St. Gabriel Organics Milky Spore Powder 10oz - Japanese Beetle Grub Killer for Lawns

St. Gabriel Laboratories$28.174.4★1,425 rev

St. Gabriel Organics Milky Spore Powder 10oz Japanese Beetle Grub Killer for Lawns

ST. GABRIEL$27.354.4★830 rev

Scotts GrubEx1 Season Long Grub Killer 5 000 sq. ft.

Scotts$22.864.5★12,306 rev

St. Gabriel Organics Milky Spore Powder 40oz - Japanese Beetle Grub Killer for Lawns

St. Gabriel Laboratories$78.224.4★1,425 rev

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$101.551,425 rev

5mo ago

St. Gabriel Organics Milky Spore 15lbs Pack of 2 - Japanese Beetle Grub Killer Granules for Lawns

St. Gabriel Laboratories$96.44628 rev

5mo ago

St. Gabriel Organics Milky Spore 15lbs Pack of 3 - Japanese Beetle Grub Killer Granules for Lawns

St. Gabriel Laboratories$142.23628 rev

5mo ago

St. Gabriel Organics - 15 Pound Milky Spore Granular Natural Japanese Beetle Grub Control and Repellent for Lawn and Garden Care

St. Gabriel Laboratories$48.27628 rev

2y ago

BioAdvanced Season Long Grub Control Granules - Kills Grubs Mole Crickets Cinch Bugs and More - Creates Protective Zone - 10 lb Bag

Bayer Advanced$24.392,324 rev

4y ago

What buyers say about milky spore

What buyers praise and complain about, mined from review topics.

What buyers love

Pest/Insect Control23%

“Kills cockroaches”

Quality-Overall16%

“Extremely pleased with results”

Advertised Vs Actual Product16%

“As advertised”

Ease Of Use12%

“Easy to use”

Plant Growth8%

“Very beautiful when they are in bloom”

Value For Money8%

“Good price”

Safety Standards3%

“It is safe for pets children and wildlife”

Durability3%

“Price value an durability”

Functionality-Overall2%

“It works”

Ease Of Cleaning2%

“we used it in a hand held spreader so not messy”

What buyers complain about

Functionality-Overall40%

“tried b4 didnt seem to help trying again”

Pest/Insect Control17%

“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 Growth6%

“Not effective in my lawn”

Size-Overall6%

“Bags smaller then I thought”

Natural Resource Wastage4%

“Waste of money”

Durability4%

“Only lasts 4 months”

Hard Feel4%

“Yes, this stuff is a bit harsh, on the ground”

Instructions/User Manual/Troubleshooting4%

“Instructions Suck”

Value For Money4%

“This is expensive because it works”

Jamming/Clogging2%

“go often clearing the constant clogging in the spreader”

Top return reasons

Value For Money23%

Functionality-Overall21%

Advertised Vs Actual Product18%

Size-Overall10%

Leak-Proof9%

Pest/Insect Control7%

Eco Friendliness3%

Instructions/User Manual/Troubleshooting2%

Contamination1%

Defective Material/Parts1%

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.

milky spore

milky spore market data

Competition & brand share

Demand & seasonality

Top milky spore search terms

Top milky spore products on Amazon

Top sellers

Newest

Trending

What buyers say about milky spore

What buyers love

What buyers complain about

Top return reasons

Common questions

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