Rock Phosphate
FailShoppers spend an estimated $45K a year here, so Rock Phosphate is a Fail.
- Flapen Score
- 40 / 100Ranks 7,974 of 8,839 Patio, Lawn & Garden niches · −16 vs the category median of 5640
- Market size
- $45K/yr33K searches / yr
- 90-day growth
- +4.7%search demand this quarter
- Competition
- 85%top-5 click share · 7 brands · 35 sellers
Flapen Score
Rock Phosphate against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Rock Phosphate is stronger. Inside it, weaker.
Market
The Rock Phosphate market on Amazon at a glance
Shoppers on Amazon United States searched for Rock Phosphate 33K times last year and spent an estimated $45K. The top 5 brands take 94% of clicks. Demand peaks in Mar–Apr–May. Flapen scores it 40 out of 100, a Fail.
01 · Demand
An estimated 5.9% of those searches ended in a purchase.
Shoppers searched for this 33K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.9% of those searches ended in a purchase. Searches in the last 90 days moved +4.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $45K a year.
- Searches, last 12 months
- 33K
- Growth, 90 days vs prior 90
- +4.7%
- Conversion, latest week
- 5.9%
- Market size, estimated
- $45Ka year
- Peak month
- April4.9× the quietest month
- Top search term
- rock phosphate19K searches a year
02 · Price
A sale here is worth $22.86.
Listings sell for $22.86 on average, from $11.06 to $39.49. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 250 to 500 of them. At $22.86 that is $6K to $11K a year per listing.
- Average price
- $22.86inside the $15 to $100 sweet spot
- Price range
- $11.06–$39.49
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $6K–$11K
- Returns
- 0.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
70% of listings pay for placement with sponsored ads. 70% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #1,284 within Soils, Mulches & Planting Media. It carries 862 reviews at 4.70 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 70%
- Prime listings
- 70%
- Out of stock, average day
- 0.0%
- Average rank
- #1,284in Soils, Mulches & Planting Media
- Average rating
- 4.70 starsAmazon United States average 4.42 stars
- Average reviews
- 862per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 98 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 98 months
Products
Top Rock Phosphate 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
Espoma Rock Phosphate 7.25 lb Organic Plant Fertilizer for Outdoor Flower Or Vegetable Gardens Promotes Blooming & Root Growth for Use On All Plants
- Price
- $20.64
- Rating
- 4.8/5
- Reviews
- 1,391
- Age
- 22y ago

Down To Earth All Natural Fertilizers Organic Rock Phosphate - Calcium Phosphate Plant Food for Flower Beds and Vegetable Gardens 0-3-0 5 lb
- Price
- $20.65
- Rating
- 4.8/5
- Reviews
- 1,222
- Age
- 8y ago

Espoma RP28 Rock Phosphate 28lb Organic Plant Fertilizer! for Outdoor Flower Or Vegetable Gardens Promotes Blooming & Root Growth for Use On All Plants
- Price
- $39.49
- Rating
- 4.6/5
- Reviews
- 388
- Age
- 16y ago

Triple Super Phosphate 0-46-0 Fertilizer high Phosphorus Fertilizer Stronger Roots & Flower Formation Ideal Super Phosphate for Plants - Flowers Fruits Vegetables & Turf 5 lb
- Price
- $18.33
- Rating
- 4.6/5
- Reviews
- 418
- Age
- 2y ago

TRIPLE SUPER PHOSPHATE FERTILIZER 0-46-0 | phosphorus fertilizer for gardens lawns indoor and outdoor plants | ROCK PHOSPHATE PLANT FOOD FERTILIZER FOR ORCHIDS WISTERIA CACTUS AND ALL OTHER PLANTS
- Price
- $19.03
- Rating
- 4.6/5
- Reviews
- 3,815
- Age
- 8y ago
Trending
estimated 90-day click momentum
Triple Super Phosphate Fertilizer Phosphorus Plant Food for Plants and Flower Gardens (1.9 Pounds)
- Price
- $11.06
- Rating
- 4.8/5
- Reviews
- 36
- Age
- 1y ago

Triple Super Phosphate 0-46-0 Fertilizer high Phosphorus Fertilizer Stronger Roots & Flower Formation Ideal Super Phosphate for Plants - Flowers Fruits Vegetables & Turf 5 lb
- Price
- $18.33
- Rating
- 4.6/5
- Reviews
- 418
- Age
- 2y ago

Brown Rock Phosphate 20 Pounds for Vegetable Gardens Lawns and Orchards. Enhances Soil Quality and Supports Vigorous Plant Growth by Lancaster Agriculture Products
- Price
- $36.79
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 1y ago

Triple Super Phosphate 0-46-0 Fertilizer - Made in USA - Bloom Booster - TSP Pure Phosphorus Plant Food for Indoor/Outdoor Plants and Flower Gardens - Fruit Vegetables Holistic Herbs Trees & More!
- Price
- $17.58
- Rating
- 4.7/5
- Reviews
- 658
- Age
- 4y ago

Espoma Rock Phosphate 7.25 lb Organic Plant Fertilizer for Outdoor Flower Or Vegetable Gardens Promotes Blooming & Root Growth for Use On All Plants
- Price
- $20.64
- Rating
- 4.8/5
- Reviews
- 1,391
- Age
- 22y ago
Newest
by launch date
Brown Rock Phosphate 20 Pounds for Vegetable Gardens Lawns and Orchards. Enhances Soil Quality and Supports Vigorous Plant Growth by Lancaster Agriculture Products
- Price
- $36.79
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 1y ago

Soft Rock Phosphate (0-3-0) 5 Pounds Organic Fertilizer with Calcium & Minerals Long-Lasting Soil Benefits for Vibrant Plants by Lancaster Agriculture Products
- Price
- $22.94
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 1y ago

Triple Super Phosphate Fertilizer Phosphorus Plant Food for Plants and Flower Gardens (1.9 Pounds)
- Price
- $11.06
- Rating
- 4.8/5
- Reviews
- 36
- Age
- 1y ago

Triple Super Phosphate 0-46-0 Fertilizer high Phosphorus Fertilizer Stronger Roots & Flower Formation Ideal Super Phosphate for Plants - Flowers Fruits Vegetables & Turf 5 lb
- Price
- $18.33
- Rating
- 4.6/5
- Reviews
- 418
- Age
- 2y ago

Triple Super Phosphate 0-46-0 Fertilizer - Made in USA - Bloom Booster - TSP Pure Phosphorus Plant Food for Indoor/Outdoor Plants and Flower Gardens - Fruit Vegetables Holistic Herbs Trees & More!
- Price
- $17.58
- Rating
- 4.7/5
- Reviews
- 658
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 85% of clicks. A locked shelf that new listings rarely crack.
Brands
7 flat
Sellers
35
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
85%
Top 20: 100%
Open market
2%
- Espoma57%
- Down To Earth All Natural Fertilizers20%
- Lancaster Agriculture Products7%
- The Grow Co6%
- Easy Peasy4%
- OULLYY3%
- Open — no brand owns it (1 brand, 2%)
Demand
Rock Phosphate search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Apr, May · busiest ÷ quietest = 4.9×
Search terms
Top Rock Phosphate search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- rock phosphate19K/yr
- rock phosphate organic fertilizer9K/yr
- rock phosphate fertilizer3K/yr
- soft rock phosphate3K/yr
Reviews and returns
What reviews say buyers love and hate about Rock Phosphate
We read the reviews and the return reasons for every product selling here.
“Poor quality control”
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.
17 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 Rock Phosphate 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









