Is uncle jims worm farm profitable to sell on Amazon United States?

The niche generates $396K/yr across 24 tracked products. 90-day search growth is +29.6%. Flapen's verdict: Worth a look (60/100).

How competitive is the uncle jims worm farm niche?

11 brands and 20 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 90% of demand.

What do buyers complain about in uncle jims worm farm?

Top complaints mined from reviews: Size-Overall, Value For Money, Contamination. The return rate is 0.2%.

When does demand for uncle jims worm farm peak?

Demand peaks in Mar–Apr–May–Jun; the busiest month runs 7.9× the quietest.

What does it cost to enter the uncle jims worm farm niche?

Listings span $5.39–$81.02; the average listing price is $27.71 (sweet spot $15–$100). The average incumbent carries 1,622 reviews — the moat a new listing must climb.

uncle jims worm farm

Worth a look

Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Avg price

Incredible$27.71

avg listing price — sweet spot $15–$100

Price range

Great$5.39–$81.02

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Growth

Good+29.6%

90-day search growth — must beat 0% to launch

Market size

Good$396K

$396K/yr · 386K searches

Competition

Good55%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay1,622.17

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.7%

search→purchase rate — share of searches ending in a sale

Brand share

Bad90%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, uncle jims worm farm is a $396K/yr Amazon United States market (386K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Worth a look — 60/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

uncle jims worm farm market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: $416K–$554K; units × avg price
Conversion rate: 3.7%
Avg BSR: #1,228
Page quality: 0%
Prime: 29%
Sponsored: 46%
Out of stock: 2.6%
Avg brand age: 64 months
Avg seller age: 172 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

55%

Top 20: 96%

Open market

Uncle Jim's Worm Farm51%
NaturesGoodGuys17%
WWJD Worms9%
Berkley7%
Worm Nerd6%
Milepetus3%
Open — no brand owns it (5 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +29.6% search growth over the last 90 days.

Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 7.9×

Open Trend

Top uncle jims worm farm search terms

red wigglers live worms70K/yr +31.9%4.8% conv.
worms for composting45K/yr +18.6%4.4% conv.
earthworms31K/yr +40.2%2.4% conv.
red wigglers25K/yr +25.1%4.1% conv.
composting worms22K/yr +19.6%3.9% conv.
worms for garden beds9K/yr +648.1%5.3% conv.
compost worms20K/yr +26.5%4.4% conv.
red worms19K/yr +37.1%3.0% conv.
earth worms17K/yr +27.9%2.8% conv.
earthworms live for garden13K/yr +41.3%3.8% conv.

All search terms

Top uncle jims worm farm 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Uncle Jims Worm Farm 1000 Count Red Wiggler Composting Worms Mix for Garden Soil or Fishing | Pack of Compost Worms Improves Soil Structure and Quality for Healthier Gardens

Uncle Jim's Worm Farm$56.734.5★3,312 rev

Uncle Jims Worm Farm 100 Count Red Wiggler Composting Worms Mix for Garden Soil or Fishing | Starter Pack of Compost Worms Improves Soil Structure and Quality for Healthier Gardens

Uncle Jim's Worm Farm$26.824.2★4,315 rev

Uncle Jims Worm Farm 100 Count Super Red European Nightcrawlers for Composting and Garden Soil Aeration | Large Nightcrawlers Improve Soil Structure and Quality for Healthier Gardens

Uncle Jim's Worm Farm$27.504.3★2,365 rev

WWJD Worms Red Wigglers Composting Worms - 1/8lb - Easy to Manage Red Worms for Composting - Use for Worm Castings for Plants Garden Worm Farm Vermicompost Bin & Compost Starter

WWJD Worms$30.884.2★1,521 rev

NaturesGoodGuys Live Redworms Composting Red Worms - 300 Red Wigglers

NaturesGoodGuys$20.284.2★326 rev

Newest

by launch date

Uncle Jims Worm Farm 100 Count Red Wiggler Composting Worms Mix for Garden Soil or Fishing | Starter Pack of Compost Worms Improves Soil Structure and Quality for Healthier Gardens

Uncle Jim's Worm Farm$26.824,315 rev

2y ago

Berkley Gulp! Alive! Waxies Fishing Bait Red Wiggler 0.5in Extreme Scent Dispersion Great Replacement for Live Waxworms Ideal for Panfish Trout and More

Berkley$6.75316 rev

3y ago

HomeGrownWorms - Red Wigglers Live Worms - 100+ Red Worms for Composting Bins Garden - Free Care & Maintenance Sheet! Red Composting Earthworms - Add to Worm Farm for Kids! Worm Castings Bedding

HomeGrownWorms$22.32141 rev

3y ago

Worm Nerd Composting Red Wriggler Mix Live Compost Worms for Organic Materials - Sustainable Set for Better Soil Structure 100 Count *CANNOT SHIP TO HAWAII

Worm Nerd$23.12818 rev

4y ago

Brut Organic Worm Castings for Plants 5 LB Natural Nutrients Fertility Builder Plant Food for Potting Soil and Garden Soil Indoor and Outdoor Use

BRUT WORM FARMS$15.445,828 rev

5y ago

What buyers say about uncle jims worm farm

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

What buyers love

Quality-Overall24%

“Great fishing bait”

Plant Growth18%

“helps plants thrive”

Value For Money12%

“Great value”

Advertised Vs Actual Product11%

“As advertised”

Instructions/User Manual/Troubleshooting7%

“the instructions for care were easy to follow”

Size-Overall5%

“everything was overall good just the size”

Ease Of Cleaning2%

“cleaner then worms”

Strength2%

“Very healthy and robust and active”

Ease Of Use2%

“It is easy to apply”

Moist/Dry2%

“The worms were moist”

What buyers complain about

Size-Overall32%

“It seemed short”

Value For Money12%

“Not worth the price”

Contamination11%

“Slightly concerned”

Advertised Vs Actual Product8%

“Not As Advertised”

Moist/Dry6%

“because it was very dry”

Quality-Overall5%

“Garbage Dont buy go to Walmart”

Smell4%

“The smell was awful so thats whats giving me an idea thats its been dead for at least two days before arriving”

Durability4%

“are not that durable”

Thickness3%

“Really thin”

Instructions/User Manual/Troubleshooting2%

“No specific instructions came with them”

Top return reasons

Size-Overall26%

Value For Money14%

Advertised Vs Actual Product13%

Contamination12%

Moist/Dry10%

Smell9%

Functionality-Overall4%

Defective Material/Parts2%

Heating2%

Durability2%

Common questions

Is uncle jims worm farm profitable to sell on Amazon United States?: The niche generates $396K/yr across 24 tracked products. 90-day search growth is +29.6%. Flapen's verdict: Worth a look (60/100).
How competitive is the uncle jims worm farm niche?: 11 brands and 20 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in uncle jims worm farm?: Top complaints mined from reviews: Size-Overall, Value For Money, Contamination. The return rate is 0.2%.
When does demand for uncle jims worm farm peak?: Demand peaks in Mar–Apr–May–Jun; the busiest month runs 7.9× the quietest.
What does it cost to enter the uncle jims worm farm niche?: Listings span $5.39–$81.02; the average listing price is $27.71 (sweet spot $15–$100). The average incumbent carries 1,622 reviews — the moat a new listing must climb.