Gypsum
MaybeAn estimated 0.4% of orders come back. But the products selling today already average 4.6★, so Gypsum is a Maybe.
- Flapen Score
- 61 / 100Top 28% of 8,839 Patio, Lawn & Garden niches · +5 vs the category median of 5661
- Market size
- $554K/yr216K searches / yr
- 90-day growth
- +26.9%search demand this quarter
- Competition
- 67%top-5 click share · 11 brands · 76 sellers
Flapen Score
Gypsum against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Gypsum is stronger. Inside it, weaker.
Market
The Gypsum market on Amazon at a glance
Shoppers on Amazon United States searched for Gypsum 216K times last year and spent an estimated $554K. The top 5 brands take 74% of clicks. Demand peaks in Apr–May. Flapen scores it 61 out of 100, a Maybe.
01 · Demand
An estimated 11.4% of those searches ended in a purchase.
Shoppers searched for this 216K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 11.4% of those searches ended in a purchase. Searches in the last 90 days moved +26.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $554K a year.
- Searches, last 12 months
- 216K
- Growth, 90 days vs prior 90
- +26.9%
- Conversion, latest week
- 11.4%
- Market size, estimated
- $554Ka year
- Peak month
- May2.8× the quietest month
- Top search term
- gypsum93K searches a year
02 · Price
A sale here is worth $22.56.
Listings sell for $22.56 on average, from $8.00 to $52.06. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,000 to 1,250 of them. At $22.56 that is $23K to $28K a year per listing.
- Average price
- $22.56inside the $15 to $100 sweet spot
- Price range
- $8.00–$52.06
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $23K–$28K
- Returns
- 0.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
60% of listings pay for placement with sponsored ads. 73% ship with Prime. On an average day, 0.7% of listings are out of stock. The average listing ranks #889 within Soils, Mulches & Planting Media. It carries 426 reviews at 4.62 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 60%
- Prime listings
- 73%
- Out of stock, average day
- 0.7%
- Average rank
- #889in Soils, Mulches & Planting Media
- Average rating
- 4.62 starsAmazon United States average 4.42 stars
- Average reviews
- 426per listing
- Listings tracked
- 15
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 63 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 63 months
Products
Top Gypsum products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 15, 2026. The live listing can differ.
Top sellers
by estimated 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
- Price
- $21.93
- Rating
- 4.5/5
- Reviews
- 543
- Age
- 3y ago

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
- Price
- $15.95
- Rating
- 4.7/5
- Reviews
- 453
- Age
- 4y ago

(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)
- Price
- $11.80
- Rating
- 4.7/5
- Reviews
- 497
- Age
- 3y ago

Olympus Myco 97% Pure Gypsum Powder 1 lb High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns and Mushroom Substrate
- Price
- $9.70
- Rating
- 4.7/5
- Reviews
- 708
- Age
- 3y ago

Down To Earth All Natural Fertilizers Organic Prilled Garden Gypsum - Calcium Sulfate Loosens Clay Soil Greens Grade Mini Granules 5 lb
- Price
- $19.24
- Rating
- 4.8/5
- Reviews
- 1,138
- Age
- 7y ago
Trending
estimated 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
- Price
- $15.95
- Rating
- 4.7/5
- Reviews
- 453
- Age
- 4y ago

Gypsum for Soil - Calcium for Plants - Gypsum Fertilizer for Gardening Lawn & Vegetables - Calcium for Garden (8 oz - 0.5 lb.)
- Price
- $8.14
- Rating
- 4.4/5
- Reviews
- 11
- Age
- 12mo ago

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
- Price
- $52.06
- Rating
- 4.7/5
- Reviews
- 85
- Age
- 9y ago

Olympus Myco 97% Pure Gypsum Powder 5 lbs High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns Soil Conditioner
- Price
- $19.25
- Rating
- 4.7/5
- Reviews
- 708
- Age
- 3y ago

Earth Science Fast Acting Gypsum Granules5 lb Soil Conditioner Adds Calcium Repairs Salt Damage & Root Growth with Nutri-Bond Runoff Reduction Technology
- Price
- $21.93
- Rating
- 4.5/5
- Reviews
- 543
- Age
- 3y ago
Newest
by launch date
Gypsum for Soil - Calcium for Plants - Gypsum Fertilizer for Gardening Lawn & Vegetables - Calcium for Garden (8 oz - 0.5 lb.)
- Price
- $8.14
- Rating
- 4.4/5
- Reviews
- 11
- Age
- 12mo ago

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)
- Price
- $8.00
- Rating
- 4.6/5
- Reviews
- 160
- Age
- 2y ago

Olympus Myco 97% Pure Gypsum Powder 5 lbs High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns Soil Conditioner
- Price
- $19.25
- Rating
- 4.7/5
- Reviews
- 708
- Age
- 3y ago

Olympus Myco 97% Pure Gypsum Powder 1 lb High Solubility Calcium Sulfate Dihydrate for Soil Gardens Lawns and Mushroom Substrate
- Price
- $9.70
- Rating
- 4.7/5
- Reviews
- 708
- Age
- 3y ago

Earth Science Fast Acting Gypsum Granules5 lb Soil Conditioner Adds Calcium Repairs Salt Damage & Root Growth with Nutri-Bond Runoff Reduction Technology
- Price
- $21.93
- Rating
- 4.5/5
- Reviews
- 543
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 67% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 flat
Sellers
76
Est. top-5 brand share
74%
Top 20: 100%
Est. 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
Gypsum search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May · busiest ÷ quietest = 2.8×
Search terms
Top Gypsum search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- gypsum93K/yr
- gypsum for soil67K/yr
- gypsum powder27K/yr
- gypsum for gardening12K/yr
- gypsum for lawn8K/yr
- pelletized gypsum5K/yr
- garden gypsum5K/yr
Reviews and returns
What reviews say buyers love and hate about Gypsum
We read the reviews and the return reasons for every product selling here.
“A bit pricey”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Gypsum questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









