Phosphorus and Potassium Fertilizers
MaybeSearch demand grew +266.5% this quarter. But shoppers spend an estimated $57K a year here, so Phosphorus and Potassium Fertilizers is a Maybe.
- Flapen Score
- 51 / 100Ranks 5,822 of 8,839 Patio, Lawn & Garden niches · −5 vs the category median of 5651
- Market size
- $57K/yr40K searches / yr
- 90-day growth
- +266.5%search demand this quarter
- Competition
- 79%top-5 click share · 7 brands · 28 sellers
Flapen Score
Phosphorus and Potassium Fertilizers against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Phosphorus and Potassium Fertilizers is stronger. Inside it, weaker.
Market
The Phosphorus and Potassium Fertilizers market on Amazon at a glance
Shoppers on Amazon United States searched for Phosphorus and Potassium Fertilizers 40K times last year and spent an estimated $57K. The top 5 brands take 95% of clicks. Flapen scores it 51 out of 100, a Maybe.
01 · Demand
An estimated 7.3% of those searches ended in a purchase.
Shoppers searched for this 40K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.3% of those searches ended in a purchase. Searches in the last 90 days moved +266.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $57K a year.
- Searches, last 12 months
- 40K
- Growth, 90 days vs prior 90
- +266.5%
- Conversion, latest week
- 7.3%
- Market size, estimated
- $57Ka year
- Top search term
- phosphorus and potassium fertilizers15K searches a year
02 · Price
A sale here is worth $19.63.
Listings sell for $19.63 on average, from $11.85 to $29.80. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 100 to 250 of them. At $19.63 that is $2K to $5K a year per listing.
- Average price
- $19.63inside the $15 to $100 sweet spot
- Price range
- $11.85–$29.80
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$5K
- Returns
- 0.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
90% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #253 within Soils, Mulches & Planting Media. It carries 2,867 reviews at 4.61 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 90%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #253in Soils, Mulches & Planting Media
- Average rating
- 4.61 starsAmazon United States average 4.42 stars
- Average reviews
- 2,867per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 78 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
- 78 months
Products
Top Phosphorus and Potassium Fertilizers 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
Phosphorus & Potassium Fertilizer Liquid Bloom Booster for Strong Roots Better Blooms & Improved Fruit Development 8 oz
- Price
- $11.85
- Rating
- 4.5/5
- Reviews
- 172
- Age
- 1y ago

Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (32oz)
- Price
- $29.80
- Rating
- 4.6/5
- Reviews
- 3,186
- Age
- 4y ago

Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (8oz)
- Price
- $12.99
- Rating
- 4.6/5
- Reviews
- 3,186
- Age
- 4y ago

Bloom Booster and Yield Enhancer for Plants - Big Heavy Healthy Harvests for Use in Soil and Hydroponics - Concentrated Phosphorus and Potassium - Flower Fuel 1-34-32 250g
- Price
- $21.97
- Rating
- 4.6/5
- Reviews
- 10,300
- Age
- 9y ago

Phosphorus & Potassium Fertilizer Liquid Bloom Booster for Strong Roots Better Blooms & Improved Fruit Development 32 oz
- Price
- $24.44
- Rating
- 4.5/5
- Reviews
- 172
- Age
- 1y ago
Trending
estimated 90-day click momentum
Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (8oz)
- Price
- $12.99
- Rating
- 4.6/5
- Reviews
- 3,186
- Age
- 4y ago

Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (16oz)
- Price
- $20.39
- Rating
- 4.6/5
- Reviews
- 3,186
- Age
- 4y 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

Phosphorus & Potassium Fertilizer Liquid Bloom Booster for Strong Roots Better Blooms & Improved Fruit Development 32 oz
- Price
- $24.44
- Rating
- 4.5/5
- Reviews
- 172
- Age
- 1y ago

Phosphorus & Potassium Fertilizer Liquid Bloom Booster for Strong Roots Better Blooms & Improved Fruit Development 8 oz
- Price
- $11.85
- Rating
- 4.5/5
- Reviews
- 172
- Age
- 1y ago
Newest
by launch date
Phosphorus & Potassium Fertilizer Liquid Bloom Booster for Strong Roots Better Blooms & Improved Fruit Development 8 oz
- Price
- $11.85
- Rating
- 4.5/5
- Reviews
- 172
- Age
- 1y ago

Phosphorus & Potassium Fertilizer Liquid Bloom Booster for Strong Roots Better Blooms & Improved Fruit Development 32 oz
- Price
- $24.44
- Rating
- 4.5/5
- Reviews
- 172
- 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

Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (32oz)
- Price
- $29.80
- Rating
- 4.6/5
- Reviews
- 3,186
- Age
- 4y ago

Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (16oz)
- Price
- $20.39
- Rating
- 4.6/5
- Reviews
- 3,186
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 79% of clicks. A locked shelf that new listings rarely crack.
Brands
7 falling
Sellers
28
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
79%
Top 20: 100%
Open market
2%
- TPS NUTRIENTS50%
- Farmer's Secret26%
- Element Nutrients9%
- Prevegenics5%
- FoxFarm4%
- Espoma3%
- Open — no brand owns it (1 brand, 2%)
Search terms
Top Phosphorus and Potassium Fertilizers search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- phosphorus and potassium fertilizers15K/yr
- high phosphorus and potassium fertilizer5K/yr
- phosphorus and potassium fertilizer7K/yr
- potassium and phosphorus fertilizer6K/yr
- phosphorus potassium fertilizer4K/yr
- pk fertilizer3K/yr
Reviews and returns
What reviews say buyers love and hate about Phosphorus and Potassium Fertilizers
We read the reviews and the return reasons for every product selling here.
“Turned my plants brown”
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.
19 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 Phosphorus and Potassium Fertilizers 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









