---
title: "15-15-15 Fertilizer — $49K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/15-15-15-fertilizer"
last_updated: "2026-08-09T11:17:29.436Z"
locale: en
meta:
description: "Niche score 47/100 · $49K/yr market · 30K searches/yr · $33.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $49K/yr market · 30K searches/yr · $33.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "15-15-15 Fertilizer — $49K/yr Amazon US Niche (2026) - Flapen"
---
# **15-15-15 fertilizer**
**Skip it**
A concentrated shelf (top 5 take 88% of clicks) — this niche doesn't clear our bar today.
Market size 12Growth 56Conversion 57Competition 10Returns 99Price range 91Avg price 95Brand share 15Review moat 80Quality gap 45
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$33.01**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.80–$89.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****408.8**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****4.9%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+28.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$49K**
$49K/yr · 30K searches
**Competition**
**Bad****88%**
top-5 click share — a locked-up shelf
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, 15-15-15 fertilizer is a $49K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 47/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **15-15-15 fertilizer market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$25K–$33K**
- units × avg price
- **Conversion rate**
- **4.9%**
- **Avg BSR**
- **#1,625**
- **Page quality**
- **0%**
- **Prime**
- **50%**
- **Sponsored**
- **80%**
- **Out of stock**
- **5.3%**
- **Avg brand age**
- **87 months**
- **Avg seller age**
- **145 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**16**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**4%**
- CountryMax47% - USEDGDIG33% - Supply Solutions8% - Knox Fertilizer3% - EZ-gro WE MAKE GROWING EASY2% - Sansar Agro2% - Open — no brand owns it (2 brands, 4%)
## **Demand**
Weekly Amazon search volume, last 10 weeks — +28.8% search growth over the last 90 days.
900700May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26Jul '26
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/15-15-15-fertilizer/trend)
## **Top 15-15-15 fertilizer search terms**
- **15-15-15 fertilizer**11K/yr+16.1%3.1% conv. - **15 15 15 fertilizer**10K/yr+56.5%3.0% conv. - **triple 15 fertilizer**6K/yr+27.4%3.5% conv. - **fertilizer 15-15-15**3K/yr+9.2%4.5% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/15-15-15-fertilizer/search-terms)
## **Top 15-15-15 fertilizer 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%$5K20%$10K30%$15K40%$20K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1LB)**USEDGDIG**$10.80**4.3★15 rev](https://www.amazon.com/dp/B0G2H738XD) [2**CountryMax 15-15-15 All Purpose Fertilizer 50 lb Bag Balanced Plant Food for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Growth**CountryMax**$60.30**4.7★32 rev](https://www.amazon.com/dp/B0GQXK6VGP) [3**CountryMax 15-15-15 All Purpose Fertilizer 10 lb Bag Balanced Nutrition for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Consistent Growth**CountryMax**$28.39**4.7★32 rev](https://www.amazon.com/dp/B0GQZFMWQJ) [4**Supply Solutions 16-16-16 Complete Lawn & Garden All Purpose Granular Fertilizer - The Ultimate Plant Food for Lush Greenery & Vibrant Blooms - for All Plants Vegetables Fruits and Berries - 5lbs**Supply Solutions**$25.33**4.5★373 rev](https://www.amazon.com/dp/B0CCBW8NK6) [5**15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1.9LB)**USEDGDIG**$18.75**4.3★15 rev](https://www.amazon.com/dp/B0G2HJ6Z1L)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CountryMax 15-15-15 All Purpose Fertilizer 50 lb Bag Balanced Plant Food for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Growth**CountryMax**$60.30**32 rev5mo ago](https://www.amazon.com/dp/B0GQXK6VGP) [**CountryMax 15-15-15 All Purpose Fertilizer 10 lb Bag Balanced Nutrition for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Consistent Growth**CountryMax**$28.39**32 rev5mo ago](https://www.amazon.com/dp/B0GQZFMWQJ) [**15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1LB)**USEDGDIG**$10.80**15 rev8mo ago](https://www.amazon.com/dp/B0G2H738XD) [**15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1.9LB)**USEDGDIG**$18.75**15 rev8mo ago](https://www.amazon.com/dp/B0G2HJ6Z1L) [**Sansar Agro NPK 15:15:15 Fertilizer For Plants. (200 gm)**Sansar Agro**$17.48**34 rev2y ago](https://www.amazon.com/dp/B0D2Y4FHQJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1.9LB)**USEDGDIG**$18.75**4.3★**▲ 117%**](https://www.amazon.com/dp/B0G2HJ6Z1L) [**15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1LB)**USEDGDIG**$10.80**4.3★**▲ 95%**](https://www.amazon.com/dp/B0G2H738XD) [**Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (16oz)**Farmer's Secret**$20.39**4.6★**▲ 82%**](https://www.amazon.com/dp/B09JGR7FXG) [**CountryMax 15-15-15 All Purpose Fertilizer 10 lb Bag Balanced Nutrition for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Consistent Growth**CountryMax**$28.39**4.7★**▲ 75%**](https://www.amazon.com/dp/B0GQZFMWQJ) [**CountryMax 15-15-15 All Purpose Fertilizer 50 lb Bag Balanced Plant Food for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Growth**CountryMax**$60.30**4.7★**▲ 48%**](https://www.amazon.com/dp/B0GQXK6VGP)
**~~View all trending →~~**
## **What buyers say about 15-15-15 fertilizer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**52%
*“It really boosts the growth of my flowers and my veggies”*
**Value For Money**10%
*“Great value”*
**Quality-Overall**10%
*“Excellent product”*
**Advertised Vs Actual Product**6%
*“Works as advertised”*
**Color**4%
*“deep in colors”*
**Ease Of Use**3%
*“Easy to use”*
**Instructions/User Manual/Troubleshooting**2%
*“Follow directions on the package”*
**Strength**2%
*“Extra potent mixture”*
**Recycle/Reuse**2%
*“The resealable bag was nice”*
**Durability**2%
*“Durable”*
### **What buyers complain about **
**Value For Money**22%
*“not a good value”*
**Plant Growth**15%
*“don't like to use something that might be detrimental to the plants”*
**Size-Overall**13%
*“Wish this came in a larger container”*
**Instructions/User Manual/Troubleshooting**5%
*“THERE ARE NO INSTRUCTIONS ON THE USE of this product”*
**Weight Heavy**5%
*“Bag was not weight as promised”*
**Color**4%
*“I was having issues with yellowing new leaves”*
**Advertised Vs Actual Product**3%
*“Bag was not weight as promised”*
**Smell**2%
*“Doesn't have a strong smell”*
**Strength**2%
*“Weak cap”*
**Leak-Proof**2%
*“spill it all for nothing”*
### **Top return reasons **
**Size-Overall**34%
**Leak-Proof**21%
**Advertised Vs Actual Product**13%
**Value For Money**7%
**Functionality-Overall**7%
**Plant Growth**5%
**Contamination**3%
**Product Condition**3%
**Storage Capacity**2%
**Moist/Dry**1%
## **Common questions**
- **Is 15-15-15 fertilizer profitable to sell on Amazon United States?**
- The niche generates $49K/yr across 10 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +28.8%. Flapen's verdict: Skip it (47/100).
- **How competitive is the 15-15-15 fertilizer niche?**
- 8 brands and 16 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in 15-15-15 fertilizer?**
- Top complaints mined from reviews: Value For Money, Plant Growth, Size-Overall. The return rate is 0.3%.
- **What does it cost to enter the 15-15-15 fertilizer niche?**
- Listings span $10.80–$89.84; the average listing price is $33.01 (sweet spot $15–$100). The average incumbent carries 409 reviews — the moat a new listing must climb.
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