gypsum for soil
Worth a lookShows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Incredible15.1%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$22.82avg listing price — sweet spot $15–$100
Price range
Great$8.14–$52.06cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great472.54avg incumbent reviews — the moat a new listing must climb
Growth
Good+34.8%90-day search growth — must beat 0% to launch
Market size
Good$300K$300K/yr · 87K searches
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad75%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, gypsum for soil is a $300K/yr Amazon United States market (87K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Worth a look — 58/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
gypsum for soil market data
- Units sold / yr
- 10K–13K
- avg 500–750/product
- Revenue / yr
- $228K–$285K
- units × avg price
- Conversion rate
- 15.1%
- Avg BSR
- #820
- Page quality
- 0%
- Prime
- 77%
- Sponsored
- 69%
- Out of stock
- 0.4%
- Avg brand age
- 69 months
- Avg seller age
- 156 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 flat
Sellers
67
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
11%
- Earth Science37%
- Cz Garden Supply19%
- Espoma10%
- Down To Earth All Natural Fertilizers9%
- Olympus Myco8%
- ENCAP7%
- Open — no brand owns it (3 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +34.8% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 5.9×
Top gypsum for soil search terms
- gypsum for soil67K/yr
- gypsum for gardening12K/yr
- garden gypsum5K/yr
- gypsum powder for soil3K/yr
- gypsum for lawns1K/yr
Top gypsum for soil 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Earth Science Fast Acting Gypsum Granules5 lb Soil Conditioner Adds Calcium Repairs Salt Damage & Root Growth with Nutri-Bond Runoff Reduction Technology
Earth Science$21.934.5★543 rev
Organic Gypsum Powder 5LB - Made in USA - OMRI Listed - Calcium Sulfate Dihydrate - Garden Soil Amendment Fertilizer for Lawns Plants Mushroom Cultivation. Calcium & Sulfur. Cures Blossom End Rot
Cz Garden Supply$15.954.7★453 rev
Down To Earth All Natural Fertilizers Organic Prilled Garden Gypsum - Calcium Sulfate Loosens Clay Soil Greens Grade Mini Granules 5 lb
Down To Earth All Natural Fertilizers$19.244.8★1,138 rev
Earth Science Fast Acting Gypsum (25 lb.)
ENCAP$39.114.4★332 rev
Olympus Myco 97% Pure Gypsum Powder 1 lb High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns and Mushroom Substrate
Olympus Myco$9.704.7★708 rev
Newest
by launch date
Gypsum for Soil - Calcium for Plants - Gypsum Fertilizer for Gardening Lawn & Vegetables - Calcium for Garden (8 oz - 0.5 lb.)
GARDENWISE$8.1411 rev
Olympus Myco 97% Pure Gypsum Powder 5 lbs High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns Soil Conditioner
Olympus Myco$19.25708 rev
Olympus Myco 97% Pure Gypsum Powder 1 lb High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns and Mushroom Substrate
Olympus Myco$9.70708 rev
Earth Science Fast Acting Gypsum Granules5 lb Soil Conditioner Adds Calcium Repairs Salt Damage & Root Growth with Nutri-Bond Runoff Reduction Technology
Earth Science$21.93543 rev
(1.0-20.0 lbs) Mycology Basics - Bulk Ultra-Fine Lab Grade Gypsum for Mushrooms Food Grade No Additives - Packaged in HEPA filtrated Enclosure for Sterility (1.0 lbs)
Mycology Basics$11.80497 rev
Trending
90-day click momentumOrganic Gypsum Powder 5LB - Made in USA - OMRI Listed - Calcium Sulfate Dihydrate - Garden Soil Amendment Fertilizer for Lawns Plants Mushroom Cultivation. Calcium & Sulfur. Cures Blossom End Rot
Cz Garden Supply$15.954.7★
Gypsum for Soil - Calcium for Plants - Gypsum Fertilizer for Gardening Lawn & Vegetables - Calcium for Garden (8 oz - 0.5 lb.)
GARDENWISE$8.144.4★
Olympus Myco 97% Pure Gypsum Powder 5 lbs High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns Soil Conditioner
Olympus Myco$19.254.7★
Greenway Biotech Gypsum Powder Calcium Sulfate to Improves Soil Drainage and Soil Water Relations- 100% Water Soluble Contains 97% Calcium Sulfate Dihydrate 22.5% Calcium and 18% Sulfur- 50 Pounds
Greenway Biotech, Inc.$52.064.7★
(1.0-20.0 lbs) Mycology Basics - Bulk Ultra-Fine Lab Grade Gypsum for Mushrooms Food Grade No Additives - Packaged in HEPA filtrated Enclosure for Sterility (1.0 lbs)
Mycology Basics$11.804.7★
What buyers say about gypsum for soil
What buyers praise and complain about, mined from review topics.What buyers love
“Outstanding Gypsum Product”
“Coverage was as predicted”
“This works great when planting tomatoes”
“While much cheaper”
“Good product easy to use”
“Works great for fungus”
What buyers complain about
“price gouge”
“Organic Doesnt Mean Smells Like Ass Just cause it's organic doesnt mean that the gypsum should smell like a dead fish”
“Breaks up the clay”
“Application directions don't make sense”
“Small packages”
“Reseeding was not working”
Top return reasons
Common questions
- Is gypsum for soil profitable to sell on Amazon United States?
- The niche generates $300K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +34.8%. Flapen's verdict: Worth a look (58/100).
- How competitive is the gypsum for soil niche?
- 9 brands and 67 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in gypsum for soil?
- Top complaints mined from reviews: Value For Money, Smell, Durability. The return rate is 0.4%.
- When does demand for gypsum for soil peak?
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 5.9× the quietest.
- What does it cost to enter the gypsum for soil niche?
- Listings span $8.14–$52.06; the average listing price is $22.82 (sweet spot $15–$100). The average incumbent carries 473 reviews — the moat a new listing must climb.