vermicompost
Skip itA small market ($27K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Avg price
Incredible$29.47avg listing price — sweet spot $15–$100
Price range
Great$6.69–$74.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+35.0%90-day search growth — must beat 0% to launch
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,257.63avg incumbent reviews — the moat a new listing must climb
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$27K$27K/yr · 44K searches
According to Flapen's Amazon United States niche tracking, vermicompost is a $27K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 46/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
vermicompost market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $37K–$44K
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #471
- Page quality
- 0%
- Prime
- 68%
- Sponsored
- 95%
- Out of stock
- 4.3%
- Avg brand age
- 58 months
- Avg seller age
- 169 days
Competition & brand share
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
21
Top-5 brand share
82%
Top 20: 97%
Top-5 click share
60%
Top 20: 100%
Open market
14%
- BRUT WORM FARMS30%
- Back to the Roots18%
- Wiggle Worm14%
- WriggleBrew12%
- Sukh9%
- VermiHut4%
- Open — no brand owns it (5 brands, 14%)
Demand
Weekly Amazon search volume, last 10 weeks — +35.0% search growth over the last 90 days.Top vermicompost search terms
- vermicompost26K/yr
- worm compost7K/yr
- vermicompost for plants4K/yr
- vermi compost4K/yr
- vermi compost for plants2K/yr
Top vermicompost 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.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$15.444.8★5,828 rev
WriggleBrew Solar Soil Vermicompost Soil Amendment from Earthworm Castings. All Purpose Plant Food and Dirt Enhancer for Gardens Vegetables Fruits Houseplants. Mix with Potting Soil. (1.5lbs)
WriggleBrew$9.954.3★53 rev
Back to the Roots 100% Organic Vermiculite | Made in the USA | Premium Nutrition for Indoor and Outdoor Plants
Back to the Roots$8.264.8★447 rev
Sukh 14.6OZ Vermiculite - Organic Vermiculite for Gardening Plants Fine Horticultural Soil Amendments Bulk Additive Perfect Potted and Garden Professional Grade 1-3mm
Sukh$6.694.5★2,217 rev
Back to the Roots Organic Worm Castings for Plants Natural Fertilizer and Soil Enhancer for Gardening Made in the USA 5lb
Back to the Roots$14.874.8★906 rev
Newest
by launch date
3-Layer Worm Composter 50L Worm Compost Bin for Indoor & Outdoor Worm Farm Starter Kits for Vermicomposting Starter Garden Composting Bin for Recycling Food Waste (Black)
TOP XIAN$60.2148 rev
WriggleBrew Solar Soil Vermicompost Soil Amendment from Earthworm Castings. All Purpose Plant Food and Dirt Enhancer for Gardens Vegetables Fruits Houseplants. Mix with Potting Soil. (1.5lbs)
WriggleBrew$9.9553 rev
Back to the Roots 100% Organic Vermiculite | Made in the USA | Premium Nutrition for Indoor and Outdoor Plants
Back to the Roots$8.26447 rev
WriggleBrew Solar Soil Vermicompost Soil Amendment from Earthworm Castings. All Purpose Plant Food and Dirt Enhancer for Gardens Vegetables Fruits Houseplants. Mix with Potting Soil. (5lbs)
WriggleBrew$21.8453 rev
Back to the Roots Organic Worm Castings for Plants Natural Fertilizer and Soil Enhancer for Gardening Made in the USA 5lb
Back to the Roots$14.87906 rev
Trending
90-day click momentum
Brut Organic Worm Castings for Plants 12 LB Natural Nutrients Fertility Builder Plant Food for Potting Soil and Garden Soil Indoor and Outdoor Use
BRUT WORM FARMS$24.114.8★
Worm Bliss (8 Qts) - Organic Worm Castings for Plants & Gardening - OMRI-Listed Earthworm Castings for Plants Vegetables Flowers & Potting Soil - Organic Garden Fertilizer Rich in Nutrients
plantonix$24.794.8★
3-Layer Worm Composter 50L Worm Compost Bin for Indoor & Outdoor Worm Farm Starter Kits for Vermicomposting Starter Garden Composting Bin for Recycling Food Waste (Black)
TOP XIAN$60.214.3★
Worm Tea for Gardening - 32oz Quart - Organic Earthworm Soil Enhancer - Vermicompost with Kelp - Increase Yields Boost Growth Reduce Stress- Vegetables Flowers Fruit Trees - Plant Probiotic
VermisTerra$23.914.7★
Back to the Roots 100% Organic Vermiculite | Made in the USA | Premium Nutrition for Indoor and Outdoor Plants
Back to the Roots$8.264.8★
What buyers say about vermicompost
What buyers praise and complain about, mined from review topics.What buyers love
“Very good and grows healthy plants”
“So well made and easy to use and assemble”
“Great value”
“As advertised”
“The instructions are fantastic”
“Easy to use”
“does make a difference with plants add I have found it keeps away white flies”
“Doesnt smell bad”
“help keep it moist”
“the bag is big love that”
What buyers complain about
“Small”
“Not worth the cost”
“Poor quality control, apparently”
“Deceptive”
“Try not to think about it, and feed this and that Alaskan fish emulsion and other nasty things”
“It was a huge mess to clean up”
“Funky ammonia smell too”
“This is going to dry out”
“having to take on an extra step to remove them before potting up plants is something Im very much not looking forward to”
“It should be black as in years past”
Top return reasons
Common questions
- Is vermicompost profitable to sell on Amazon United States?
- The niche generates $27K/yr across 19 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +35.0%. Flapen's verdict: Skip it (46/100).
- How competitive is the vermicompost niche?
- 11 brands and 21 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in vermicompost?
- Top complaints mined from reviews: Size-Overall, Value For Money, Quality-Overall. The return rate is 0.2%.
- What does it cost to enter the vermicompost niche?
- Listings span $6.69–$74.40; the average listing price is $29.47 (sweet spot $15–$100). The average incumbent carries 2,258 reviews — the moat a new listing must climb.