---
title: "15-0-15 Fertilizer — $109K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/15-0-15-fertilizer"
last_updated: "2026-08-09T16:46:08.910Z"
locale: en
meta:
description: "Niche score 51/100 · $109K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $109K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "15-0-15 Fertilizer — $109K/yr Amazon US Niche (2026) - Flapen"
---
# **15-0-15 fertilizer**
**Worth a look**
Shows low returns (0.4%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 26Growth 69Conversion 83Competition 17Returns 98Price range 95Avg price 95Brand share 0Review moat 35Quality gap 45
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$38.57**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$21.59–$81.66**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.9%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+50.4%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****3,043.23**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$109K**
$109K/yr · 32K searches
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 15-0-15 fertilizer is a $109K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **15-0-15 fertilizer market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$77K–$96K**
- units × avg price
- **Conversion rate**
- **8.9%**
- **Avg BSR**
- **#675**
- **Page quality**
- **0%**
- **Prime**
- **69%**
- **Sponsored**
- **100%**
- **Out of stock**
- **8.3%**
- **Avg brand age**
- **85 months**
- **Avg seller age**
- **153 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**25**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**0%**
- Simple Lawn Solutions30% - ferti-lome29% - Scotts22% - Factory Hardware Store14% - Hi-Yield4%
## **Demand**
Weekly Amazon search volume, last 49 weeks — +50.4% search growth over the last 90 days.
1K750Spike '26Aug '25Oct '25Nov '25Jan '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/15-0-15-fertilizer/trend)
## **Top 15-0-15 fertilizer search terms**
- **15-0-15 fertilizer**13K/yr+57.6%5.1% conv. - **15-0-15 lawn fertilizer**6K/yr+74.1%6.3% conv. - **centipede grass fertilizer**5K/yr+28.0%5.9% conv. - **15-0-15 centipede grass fertilizer**4K/yr+30.3%5.3% conv. - **15 0 15 fertilizer**3K/yr+48.4%4.2% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/15-0-15-fertilizer/search-terms)
## **Top 15-0-15 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%$11K20%$22K30%$33K40%$44K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Fertilome (13767) Centipede Lawn Fertilizer 15-0-15 (16 lbs.)**ferti-lome**$33.74**4.6★98 rev](https://www.amazon.com/dp/B0CTD4N8VN) [2**Superior 15-0-15 Liquid Lawn Fertilizer - Lawn Food for Growth & Green - Nitrogen Potassium Humic Fish & Seaweed - Any Grass Type- Simple Lawn Solutions - All Season- Attached Sprayer (32 Ounce)**Simple Lawn Solutions**$24.49**4.3★2,965 rev](https://www.amazon.com/dp/B06X9L1GW5) [3**Ferti-Lome Slow Release Nitrogen Lawn Fertilizer 15-0-15 with Iron for Centipede & Multiple Grass Types Covers 4 000 sq ft per Bag (2 Pack)**Factory Hardware Store**$59.82**5.0★9 rev](https://www.amazon.com/dp/B0GY1SL8G8) [4**Scotts Turf Builder Southern Lawn Food 14.06 lbs.**Scotts**$24.71**4.6★4,316 rev](https://www.amazon.com/dp/B000FBMI36) [5**Superior 15-0-15 Liquid Fertilizer Nitrogen & Potash Lawn Food - Concentrated Spray- Any Grass Type- Simple Lawn Solutions Green Growth - Humic Acid - Kelp Seaweed - Phosphorus-Free (1 Quart)**Simple Lawn Solutions**$21.77**4.2★133 rev](https://www.amazon.com/dp/B09ZPTMG1Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Ferti-Lome Slow Release Nitrogen Lawn Fertilizer 15-0-15 with Iron for Centipede & Multiple Grass Types Covers 4 000 sq ft per Bag (2 Pack)**Factory Hardware Store**$59.82**9 rev2mo ago](https://www.amazon.com/dp/B0GY1SL8G8) [**Ferti-Lome Centipede Weed & Feed Lawn Fertilizer 15-0-15 16 lb Bags (2 Pack) Granular Lawn Fertilizer for Centipede and Southern Lawns Covers Up to 10 000 sq ft**Factory Hardware Store**$81.66**3 rev3mo ago](https://www.amazon.com/dp/B0GWG13LS7) [**Fertilome (13926) Centipede Weed & Feed 15-0-15 (16 lbs.)**Hi-Yield**$43.77**48 rev2y ago](https://www.amazon.com/dp/B0CYJMR85M) [**Fertilome (13767) Centipede Lawn Fertilizer 15-0-15 (16 lbs.)**ferti-lome**$33.74**98 rev2y ago](https://www.amazon.com/dp/B0CTD4N8VN) [**Scotts Turf Builder Triple Action Built for Seeding 4.3 lbs.**Scotts**$21.80**2,335 rev5y ago](https://www.amazon.com/dp/B08KGXWPHR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Ferti-Lome Slow Release Nitrogen Lawn Fertilizer 15-0-15 with Iron for Centipede & Multiple Grass Types Covers 4 000 sq ft per Bag (2 Pack)**Factory Hardware Store**$59.82**5.0★**▲ 89%**](https://www.amazon.com/dp/B0GY1SL8G8) [**Scotts Green Max Lawn FoodFL 15.15 lbs.**Scotts**$33.44**4.5★**▲ 88%**](https://www.amazon.com/dp/B07YM5YLP5) [**Ferti-Lome Centipede Weed & Feed Lawn Fertilizer 15-0-15 16 lb Bags (2 Pack) Granular Lawn Fertilizer for Centipede and Southern Lawns Covers Up to 10 000 sq ft**Factory Hardware Store**$81.66**4.6★**▲ 87%**](https://www.amazon.com/dp/B0GWG13LS7) [**Scotts Green Max Lawn Food 33.33 lbs.**Scotts**$57.18**4.5★**▲ 29%**](https://www.amazon.com/dp/B0168K8VQK) [**Scotts Turf Builder Southern Lawn Food 14.06 lbs.**Scotts**$24.71**4.6★**▲ 27%**](https://www.amazon.com/dp/B000FBMI36)
**~~View all trending →~~**
## **What buyers say about 15-0-15 fertilizer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**33%
*“Great basic fertilizer to use periodically”*
**Quality-Overall**14%
*“No complaints”*
**Value For Money**13%
*“Good price”*
**Advertised Vs Actual Product**12%
*“Works as advertised”*
**Ease Of Use**5%
*“Very easy to use”*
**Color**4%
*“My grass turned a nice deep green”*
**Instructions/User Manual/Troubleshooting**4%
*“follow the instructions exactly”*
**Functionality-Overall**3%
*“Grat stuff works well”*
**Thickness**2%
*“It's thicker than I've ever seen it in the 5 years we've owned the house”*
**Cutting/Trimming**1%
*“Took care of thise spots on my lawn efficiently”*
### **What buyers complain about **
**Plant Growth**25%
*“Grass has started growing”*
**Quality-Overall**15%
*“I believe that there was a quality control concern with this batch”*
**Functionality-Overall**9%
*“Doesn't Work”*
**Color**9%
*“three days later the grass turned yellow”*
**Value For Money**8%
*“Expensive”*
**Size-Overall**5%
*“Too small”*
**Flammable**5%
*“It burned my grass”*
**Durability**3%
*“Burned up my grass it never turned green after 2 weeks”*
**Absorbency**2%
*“A week later the beads are sitting atop the soil, no absorption”*
**Weight Light**2%
*“was 4 pounds short”*
### **Top return reasons **
**Value For Money**23%
**Advertised Vs Actual Product**22%
**Size-Overall**18%
**Functionality-Overall**15%
**Leak-Proof**8%
**Plant Growth**5%
**Contamination**2%
**Ease Of Use**1%
**Color**1%
**Defective Material/Parts**1%
## **Common questions**
- **Is 15-0-15 fertilizer profitable to sell on Amazon United States?**
- The niche generates $109K/yr across 13 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +50.4%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the 15-0-15 fertilizer niche?**
- 5 brands and 25 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in 15-0-15 fertilizer?**
- Top complaints mined from reviews: Plant Growth, Quality-Overall, Functionality-Overall. The return rate is 0.4%.
- **What does it cost to enter the 15-0-15 fertilizer niche?**
- Listings span $21.59–$81.66; the average listing price is $38.57 (sweet spot $15–$100). The average incumbent carries 3,043 reviews — the moat a new listing must climb.
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