Iron Sulfate
MaybeAn estimated 0.1% of orders come back. But shoppers spend an estimated $65K a year here, so Iron Sulfate is a Maybe.
- Flapen Score
- 58 / 100Top 39% of 8,839 Patio, Lawn & Garden niches · +2 vs the category median of 5658
- Market size
- $65K/yr60K searches / yr
- 90-day growth
- +75.7%search demand this quarter
- Competition
- 56%top-5 click share · 19 brands · 151 sellers
Flapen Score
Iron Sulfate against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Iron Sulfate is stronger. Inside it, weaker.
Market
The Iron Sulfate market on Amazon at a glance
Shoppers on Amazon United States searched for Iron Sulfate 60K times last year and spent an estimated $65K. The top 5 brands take 65% of clicks. Demand peaks in Apr–May. Flapen scores it 58 out of 100, a Maybe.
01 · Demand
An estimated 7.1% of those searches ended in a purchase.
Shoppers searched for this 60K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.1% of those searches ended in a purchase. Searches in the last 90 days moved +75.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $65K a year.
- Searches, last 12 months
- 60K
- Growth, 90 days vs prior 90
- +75.7%
- Conversion, latest week
- 7.1%
- Market size, estimated
- $65Ka year
- Peak month
- May7.4× the quietest month
- Top search term
- iron sulfate28K searches a year
02 · Price
A sale here is worth $15.17.
Listings sell for $15.17 on average, from $4.81 to $29.91. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At $15.17 that is $2K to $4K a year per listing.
- Average price
- $15.17inside the $15 to $100 sweet spot
- Price range
- $4.81–$29.91
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$4K
- Returns
- 0.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
76% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #936 within Soils, Mulches & Planting Media. It carries 4,312 reviews at 4.52 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 76%
- Prime listings
- 92%
- Out of stock, average day
- 0.0%
- Average rank
- #936in Soils, Mulches & Planting Media
- Average rating
- 4.52 starsAmazon United States average 4.42 stars
- Average reviews
- 4,312per listing
- Listings tracked
- 25
04 · Newcomers
0 of last year's 2 launches cleared the first-year sales bar.
2 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 95 months on average, so the names here are established.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 95 months
Products
Top Iron Sulfate 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
Ferrous Sulfate for Plants Liquid Iron Sulfate for Plants for Greener Leaves Improved Chlorophyll Production & Reduced Yellowing 8 oz
- Price
- $11.70
- Rating
- 4.5/5
- Reviews
- 368
- Age
- 1y ago

Hi-Yield (32340) Iron sulfate (4 lbs.)
- Price
- $21.56
- Rating
- 4.5/5
- Reviews
- 438
- Age
- 8y ago

Ferrous Sulfate Fertilizer for Plants Ferrous Sulfate Heptahydrate Granules 20% Iron (Fe) - Plant Food to Help Greener Grass Lawn shrubs Trees and Gardens (1 Pound)
- Price
- $9.37
- Rating
- 4.4/5
- Reviews
- 150
- Age
- 1y ago

Earth Science Fast Acting Sulfur Granules 5lb Reduces Soil pH and Nutrient Runoff Improves Growth & Color for Acid-Loving Plants Long-Lasting Lawn Care Supplement
- Price
- $22.78
- Rating
- 4.6/5
- Reviews
- 869
- Age
- 3y ago

GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)
- Price
- $9.92
- Rating
- 4.4/5
- Reviews
- 568
- Age
- 1y ago
Trending
estimated 90-day click momentum
XIXISUSU Iron Sulfate for Plants - Ferrous Sulfate Powder to Correct Chlorosis & Yellow Leaves Fast-Acting Iron for Plants Trees Lawns & Shrubs - Essential Nutrient Supplement (8 oz)
- Price
- $13.93
- Rating
- 3.9/5
- Reviews
- 9
- Age
- 9mo ago

EYAEYAO Ferrous Sulfate Granules 20% Iron Soil Acidifier for Lawns & Plants | Fast Greening for Grass Turf Shrubs Trees Flowers & Gardens | Corrects Iron Deficiency & Yellowing (8 oz)
- Price
- $9.95
- Rating
- 4.8/5
- Reviews
- 6
- Age
- 9mo ago

Earth Science IronPro Fast Acting Lawn Garden Iron Supplement5 lbDeep Green Results for Grass Flowers Vegetables & Shrubs Non-Staining & Non-Burning Easy Apply Formula Covers 1600 Sq. Ft
- Price
- $22.94
- Rating
- 4.4/5
- Reviews
- 301
- Age
- 2y ago

Ironite Plus Shrubs Trees Plant Food Bag Granular 12-10-10 3lb
- Price
- $8.55
- Rating
- 4.6/5
- Reviews
- 785
- Age
- 11y ago

Ferrous Sulfate Heptahydrate - FeSO4*7H2O - 20% Iron - Very Soluble - 5 Pounds
- Price
- $19.20
- Rating
- 4.6/5
- Reviews
- 430
- Age
- 14y ago
Newest
by launch date
XIXISUSU Iron Sulfate for Plants - Ferrous Sulfate Powder to Correct Chlorosis & Yellow Leaves Fast-Acting Iron for Plants Trees Lawns & Shrubs - Essential Nutrient Supplement (8 oz)
- Price
- $13.93
- Rating
- 3.9/5
- Reviews
- 9
- Age
- 9mo ago

EYAEYAO Ferrous Sulfate Granules 20% Iron Soil Acidifier for Lawns & Plants | Fast Greening for Grass Turf Shrubs Trees Flowers & Gardens | Corrects Iron Deficiency & Yellowing (8 oz)
- Price
- $9.95
- Rating
- 4.8/5
- Reviews
- 6
- Age
- 9mo ago

Hi-Yield (34340) Iron Sulfate (3.25 lbs.)
- Price
- $18.63
- Rating
- 5.0/5
- Reviews
- 11
- Age
- 1y ago

GRANDAN Ferrous Sulfate Heptahydrate - 3/16 Inch FeSO4*7H2O Granules - 20% Iron (Fe) Stable and Easy to Store - Organic Lawn Fertilizer for Vegetables and Plant Growth (8 Oz)
- Price
- $6.95
- Rating
- 4.3/5
- Reviews
- 105
- Age
- 1y ago

Ferrous Sulfate for Plants Liquid Iron Sulfate for Plants for Greener Leaves Improved Chlorophyll Production & Reduced Yellowing 8 oz
- Price
- $11.70
- Rating
- 4.5/5
- Reviews
- 368
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 56% of clicks. Leaders hold, but buyers still shop past them.
Brands
19 rising
Sellers
151
Est. top-5 brand share
65%
Top 20: 100%
Est. top-5 click share
56%
Top 20: 95%
Open market
29%
- Hi-Yield21%
- TPS NUTRIENTS18%
- OULLYY10%
- Earth Science10%
- GARDENWISE6%
- Alpha Chemicals6%
Demand
Iron Sulfate search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May · busiest ÷ quietest = 7.4×
Search terms
Top Iron Sulfate search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- iron sulfate28K/yr
- iron sulfate for plants21K/yr
- sulfato de hierro para plantas10K/yr
- iron sulphate2K/yr
Reviews and returns
What reviews say buyers love and hate about Iron Sulfate
We read the reviews and the return reasons for every product selling here.
“Strong metallic taste”
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 Iron Sulfate 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









