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5-5-5 fertilizer

Worth a look

Shows low returns (0.3%), but a small market ($26K/yr) keeps it on the watch list.

Market size 6Growth 85Conversion 75Competition 18Returns 99Price range 80Avg price 81Brand share 21Review moat 43Quality gap 33

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Growth

Great+85.8%

90-day search growth — must beat 0% to launch

Avg price

Great$17.50

avg listing price — sweet spot $15–$100

Price range

Great$8.13–$45.32

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Great7.0%

search→purchase rate — share of searches ending in a sale

Review moat

Okay2,196.5

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Bad91%

top-5 brand share — brand-locked demand

Competition

Bad79%

top-5 click share — a locked-up shelf

Market size

Bad$26K

$26K/yr · 21K searches

According to Flapen's Amazon United States niche tracking, 5-5-5 fertilizer is a $26K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 91% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

5-5-5 fertilizer market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
$22K–$26K
units × avg price
Conversion rate
7.0%
Avg BSR
#573
Page quality
0%
Prime
92%
Sponsored
83%
Out of stock
2.5%
Avg brand age
86 months
Avg seller age
147 days

Competition & brand share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

43

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

5%

  • TPS NUTRIENTS48%
  • Burpee16%
  • Dr. Earth15%
  • Down To Earth All Natural Fertilizers7%
  • Jobe's Organics6%
  • Royal Gold3%
  • Open — no brand owns it (2 brands, 5%)

Top 5-5-5 fertilizer search terms

  • 5-5-5 fertilizer11K/yr
  • 5-5-5 fertilizer for vegetables3K/yr
  • 555 fertilizer4K/yr
  • 5 5 5 fertilizer3K/yr
All search terms

Top 5-5-5 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%$3K20%$5K30%$8K40%$10K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about 5-5-5 fertilizer

What buyers praise and complain about, mined from review topics.

What buyers love

Plant Growth43%

“Plants are growing well”

Ease Of Use16%

“Easy to use”

Quality-Overall15%

“without any defects - it looks exactly as pictured in the listing photo”

Value For Money6%

“Great value for your money”

Smell3%

“No strong odor”

Strength2%

“are very effective”

Advertised Vs Actual Product2%

“Works as expected”

Durability1%

“This little bottle will last me a long time”

Size-Overall1%

“The 8oz size is surprisingly concentrated”

Spray/Flow1%

“Added to a spray bottle makes this fertilizer a great leaf misting agent”

What buyers complain about

Smell25%

“Smells fishy”

Advertised Vs Actual Product6%

“The fertilizer looks nothing like in the photos”

Plant Growth6%

“Killed vegetable plants”

Durability6%

“This killed all my vegetables in a couple of days”

Size-Overall5%

“And thats huge”

Value For Money5%

“Will not be buying again unless price is adjusted”

Ease Of Cleaning4%

“SOOOO dusty”

Jamming/Clogging4%

“it clogged up my soil”

Suitable For Indoor2%

“Not for indoor has to be outdoors bc it has a very strong smell”

Pest/Insect Control2%

“They are pesty”

Top return reasons

Advertised Vs Actual Product29%
Value For Money19%
Size-Overall14%
Plant Growth8%
Smell7%
Leak-Proof5%
Functionality-Overall3%
Product Condition3%
Defective Material/Parts2%
Contamination2%

Common questions

Is 5-5-5 fertilizer profitable to sell on Amazon United States?
The niche generates $26K/yr across 12 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +85.8%. Flapen's verdict: Worth a look (50/100).
How competitive is the 5-5-5 fertilizer niche?
8 brands and 43 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in 5-5-5 fertilizer?
Top complaints mined from reviews: Smell, Advertised Vs Actual Product, Plant Growth. The return rate is 0.3%.
What does it cost to enter the 5-5-5 fertilizer niche?
Listings span $8.13–$45.32; the average listing price is $17.50 (sweet spot $15–$100). The average incumbent carries 2,197 reviews — the moat a new listing must climb.