---
title: "Gypsum — $554K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/gypsum"
last_updated: "2026-08-10T21:33:32.484Z"
locale: en
meta:
description: "Niche score 61/100 · $554K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 61/100 · $554K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Gypsum — $554K/yr Amazon US Niche (2026) - Flapen"
---
# **gypsum**
**Worth a look**
Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 62Growth 54Conversion 93Competition 29Returns 98Price range 82Avg price 94Brand share 52Review moat 79Quality gap 24
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$22.56**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****11.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$8.00–$52.06**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****426**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$554K**
$554K/yr · 216K searches
**Growth**
**Good****+26.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, gypsum is a $554K/yr Amazon United States market (216K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 61/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **gypsum market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$451K–$564K**
- units × avg price
- **Conversion rate**
- **11.4%**
- **Avg BSR**
- **#889**
- **Page quality**
- **0%**
- **Prime**
- **73%**
- **Sponsored**
- **60%**
- **Out of stock**
- **0.7%**
- **Avg brand age**
- **63 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **—flat
**Sellers**
**76**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**19%**
- Earth Science31% - Cz Garden Supply16% - Olympus Myco11% - Mycology Basics8% - Espoma7% - Down To Earth All Natural Fertilizers7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +26.9% search growth over the last 90 days.
7K5KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/gypsum/trend)
## **Top gypsum search terms**
- **gypsum**93K/yr+14.1%8.7% conv. - **gypsum for soil**67K/yr+28.8%12.1% conv. - **gypsum powder**27K/yr+2.3%5.1% conv. - **gypsum for gardening**12K/yr+61.8%12.0% conv. - **gypsum for lawn**8K/yr+191.2%9.0% conv. - **pelletized gypsum**5K/yr+114.4%8.9% conv. - **garden gypsum**5K/yr+55.6%10.6% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/gypsum/search-terms)
## **Top gypsum 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.
0%10%$55K20%$111K30%$166K40%$222K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Earth Science Fast Acting Gypsum Granules5 lb Soil Conditioner Adds Calcium Repairs Salt Damage & Root Growth with Nutri-Bond Runoff Reduction Technology**Earth Science**$21.93**4.5★543 rev](https://www.amazon.com/dp/B0BS3S3QCP) [2**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**$15.95**4.7★453 rev](https://www.amazon.com/dp/B09RQDB5H1) [3**(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**$11.80**4.7★497 rev](https://www.amazon.com/dp/B0BZJQNDHN) [4**Olympus Myco 97% Pure Gypsum Powder 1 lb High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns and Mushroom Substrate**Olympus Myco**$9.70**4.7★708 rev](https://www.amazon.com/dp/B0C5K2SSP1) [5**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**$19.24**4.8★1,138 rev](https://www.amazon.com/dp/B07N2Y5NHM)
**~~View all top sellers →~~**
### **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**$8.14**11 rev12mo ago](https://www.amazon.com/dp/B0FJ6MPD1L) [**Gypsum Powder for Mushroom Substrate | Lab Grade | Packed in a HEPA-Filtered Facility | Highly Soluble for Growing Mushrooms | Ultra Fine | Soil Conditioner | (Calcium Sulfate Dihydrate)**Mushroom Merchant**$8.00**160 rev2y ago](https://www.amazon.com/dp/B0D3V95WWZ) [**Olympus Myco 97% Pure Gypsum Powder 5 lbs High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns Soil Conditioner**Olympus Myco**$19.25**708 rev3y ago](https://www.amazon.com/dp/B0CBQRTQ31) [**Olympus Myco 97% Pure Gypsum Powder 1 lb High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns and Mushroom Substrate**Olympus Myco**$9.70**708 rev3y ago](https://www.amazon.com/dp/B0C5K2SSP1) [**Earth Science Fast Acting Gypsum Granules5 lb Soil Conditioner Adds Calcium Repairs Salt Damage & Root Growth with Nutri-Bond Runoff Reduction Technology**Earth Science**$21.93**543 rev3y ago](https://www.amazon.com/dp/B0BS3S3QCP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$15.95**4.7★**▲ 121%**](https://www.amazon.com/dp/B09RQDB5H1) [**Gypsum for Soil - Calcium for Plants - Gypsum Fertilizer for Gardening Lawn & Vegetables - Calcium for Garden (8 oz - 0.5 lb.)**GARDENWISE**$8.14**4.4★**▲ 84%**](https://www.amazon.com/dp/B0FJ6MPD1L) [**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.**$52.06**4.7★**▲ 51%**](https://www.amazon.com/dp/B06ZY21T25) [**Olympus Myco 97% Pure Gypsum Powder 5 lbs High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns Soil Conditioner**Olympus Myco**$19.25**4.7★**▲ 41%**](https://www.amazon.com/dp/B0CBQRTQ31) [**Earth Science Fast Acting Gypsum Granules5 lb Soil Conditioner Adds Calcium Repairs Salt Damage & Root Growth with Nutri-Bond Runoff Reduction Technology**Earth Science**$21.93**4.5★**▲ 18%**](https://www.amazon.com/dp/B0BS3S3QCP)
**~~View all trending →~~**
## **What buyers say about gypsum**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**28%
*“Outstanding Gypsum Product”*
**Advertised Vs Actual Product**25%
*“Coverage was as predicted”*
**Plant Growth**18%
*“This works great when planting tomatoes”*
**Value For Money**10%
*“While much cheaper”*
**Ease Of Use**5%
*“Good product easy to use”*
**Gifting Purpose**4%
*“Extra gifts sent with order”*
**Pest/Insect Control**4%
*“Works great for fungus”*
**Durability**2%
*“Since it doesn't break down readily in the packaged form”*
### **What buyers complain about **
**Value For Money**23%
*“A bit pricey”*
**Size-Overall**15%
*“Smaller than expected”*
**Durability**15%
*“Breaks up the clay”*
**Smell**15%
*“Organic Doesnt Mean Smells Like Ass Just cause it's organic doesnt mean that the gypsum should smell like a dead fish”*
**Instructions/User Manual/Troubleshooting**8%
*“Application directions don't make sense”*
**Material Quality**4%
*“Very disappointed I received my bag half the material was hard as a rock”*
**Hard Feel**4%
*“Hard and lumpy”*
**Functionality-Overall**3%
*“Reseeding was not working”*
### **Top return reasons **
**Value For Money**39%
**Size-Overall**17%
**Leak-Proof**12%
**Advertised Vs Actual Product**12%
**Functionality-Overall**4%
**Certifications**4%
**Defective Material/Parts**4%
**Material Quality**2%
**Plant Growth**1%
**Eco Friendliness**1%
## **Common questions**
- **Is gypsum profitable to sell on Amazon United States?**
- The niche generates $554K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +26.9%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the gypsum niche?**
- 11 brands and 76 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in gypsum?**
- Top complaints mined from reviews: Value For Money, Size-Overall, Durability. The return rate is 0.4%.
- **When does demand for gypsum peak?**
- Demand peaks in Apr–May; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the gypsum niche?**
- Listings span $8.00–$52.06; the average listing price is $22.56 (sweet spot $15–$100). The average incumbent carries 426 reviews — the moat a new listing must climb.
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