mushroom compost
Skip itA small market ($62K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Avg price
Incredible$24.11avg listing price — sweet spot $15–$100
Price range
Great$9.01–$39.98cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,052.9avg incumbent reviews — the moat a new listing must climb
Growth
Good+27.1%90-day search growth — must beat 0% to launch
Conversion
Good4.4%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Market size
Bad$62K$62K/yr · 59K searches
Competition
Bad81%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, mushroom compost is a $62K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Mar–Apr–May. Verdict: Skip it — 48/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
mushroom compost market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $60K–$72K
- units × avg price
- Conversion rate
- 4.4%
- Avg BSR
- #484
- Page quality
- 0%
- Prime
- 60%
- Sponsored
- 90%
- Out of stock
- 7.7%
- Avg brand age
- 75 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
26
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
81%
Top 20: 100%
Open market
10%
- Espoma41%
- Home and Country USA20%
- Back to the Roots9%
- BRUT WORM FARMS9%
- GRO WELL BRANDS CP7%
- Garden Magic4%
- Open — no brand owns it (3 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +27.1% search growth over the last 90 days.Peak months: Mar, Apr, May · busiest ÷ quietest = 6.6×
Top mushroom compost 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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Espoma Organic Mushroom Compost Blend. Combines Rich Mushroom Compost with Aged Forest Products to Make The Perfect Soil Conditioner. 0.75 Cubic Foot Bag - Pack of One
Espoma$25.964.6★162 rev
Mushroom Soil Compost Pail Organic Nutrient-Rich Garden Soil for Vegetables Flowers Raised Beds Lawn & Planting Mix (6 lb)
Home and Country USA$24.944.0★38 rev
Back to the Roots 25.7qt (1 Cubic ft) Organic Premium Compost
Back to the Roots$27.514.5★71 rev
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
Cuft Mushroom Compost an Ideal Soil Amendment & for Planting Flowers
GRO WELL BRANDS CP$9.014.4★18 rev
Newest
by launch dateMushroom Soil Compost Pail Organic Nutrient-Rich Garden Soil for Vegetables Flowers Raised Beds Lawn & Planting Mix (6 lb)
Home and Country USA$24.9438 rev
Mushroom Soil Compost Pail Organic Nutrient-Rich Garden Soil for Vegetables Flowers Raised Beds Lawn & Planting Mix (24 lb)
Home and Country USA$39.9838 rev
Back to the Roots 25.7qt (1 Cubic ft) Organic Premium Compost
Back to the Roots$27.5171 rev
Myco Labs Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS)
Myco Labs$24.05342 rev
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
Trending
90-day click momentumMushroom Soil Compost Pail Organic Nutrient-Rich Garden Soil for Vegetables Flowers Raised Beds Lawn & Planting Mix (24 lb)
Home and Country USA$39.984.0★
Mushroom Soil Compost Pail Organic Nutrient-Rich Garden Soil for Vegetables Flowers Raised Beds Lawn & Planting Mix (6 lb)
Home and Country USA$24.944.0★
Back to the Roots 25.7qt (1 Cubic ft) Organic Premium Compost
Back to the Roots$27.514.5★
Charlies Compost 10lb
Charlie's Compost$24.704.6★
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★
What buyers say about mushroom compost
What buyers praise and complain about, mined from review topics.What buyers love
“Great plant growth”
“The compost itself looks very high quality; it's dark, rich, and has a great earthy texture”
“Great smelling compost”
“Very easy to use”
“Money well spent”
“As advertised”
“I'm happy with the size and amount included and will use this on more plants in my garden”
“Dark & rich”
“very clean”
“I loved the fact that it came in a bucket because I could reuse it for other needs”
What buyers complain about
“A little pricey”
“The smell was not great”
“cheap, huge bag, decnt quality”
“Ant infestation”
“The compost itself was dark and slightly damp”
“Can't comment yet on how it affects crops because I just planted”
“no instructions on how to open lid which was very difficult to open - could not put lid back on and get off again”
“Too many very large chunks of wood”
“This stuff is just dirt”
“Not at field capacity”
Top return reasons
Common questions
- Is mushroom compost profitable to sell on Amazon United States?
- The niche generates $62K/yr across 10 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +27.1%. Flapen's verdict: Skip it (48/100).
- How competitive is the mushroom compost niche?
- 9 brands and 26 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in mushroom compost?
- Top complaints mined from reviews: Value For Money, Smell, Quality-Overall. The return rate is 0.2%.
- When does demand for mushroom compost peak?
- Demand peaks in Mar–Apr–May; the busiest month runs 6.6× the quietest.
- What does it cost to enter the mushroom compost niche?
- Listings span $9.01–$39.98; the average listing price is $24.11 (sweet spot $15–$100). The average incumbent carries 1,053 reviews — the moat a new listing must climb.