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fertilizer spikes

Worth a look

Shows low returns (0.2%), but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list.

Market size 68Growth 61Conversion 98Competition 37Returns 99Price range 68Avg price 48Brand share 7Review moat 24Quality gap 28

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Incredible16.3%

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

Market size

Good$686K

$686K/yr · 358K searches

Price range

Good$4.36–$37.92

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

Growth

Good+38.0%

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

Avg price

Okay$11.78

avg listing price — sweet spot $15–$100

Competition

Okay63%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad5,562.95

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad97%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, fertilizer spikes is a $686K/yr Amazon United States market (358K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Worth a look — 55/100.

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

fertilizer spikes market data

Units sold / yr
60K–80K
avg 2,000–2,500/product
Revenue / yr
$707K–$942K
units × avg price
Conversion rate
16.3%
Avg BSR
#312
Page quality
0%
Prime
100%
Sponsored
85%
Out of stock
0.0%
Avg brand age
48 months
Avg seller age
142 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 rising

Sellers

106

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

1%

  • Miracle-Gro56%
  • Jobe's Organics30%
  • Easy Gardener4%
  • The Old Farmer's Almanac4%
  • RAINFLOW4%
  • Miracle- Gro2%
  • Open — no brand owns it (1 brand, 1%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +38.0% search growth over the last 90 days.
12K8KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 3.5×

Top fertilizer spikes search terms

  • fertilizer spikes82K/yr
  • jobes fertilizer spikes72K/yr
  • plant food spikes46K/yr
  • plant fertilizer sticks20K/yr
  • plant food sticks21K/yr
  • plant spikes17K/yr
  • fertilizer sticks15K/yr
  • jobes organics9K/yr
  • miracle grow sticks7K/yr
  • miracle grow plant food spikes7K/yr
All search terms

Top fertilizer spikes 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%$69K20%$137K30%$206K40%$274K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

What buyers say about fertilizer spikes

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

What buyers love

Plant Growth46%

“Producing good growth”

Ease Of Use18%

“Easy to apply”

Quality-Overall12%

“Good, reliable product, delivered on time and in good condition”

Value For Money11%

“Good value for money”

Advertised Vs Actual Product5%

“As Advertised”

Durability2%

“they last for a nice amount of time”

Functionality-Overall2%

“They work pretty quick too”

Strength1%

“Effective”

Size-Overall1%

“Nice and big for our trees”

Instructions/User Manual/Troubleshooting1%

“The instructions are clear”

What buyers complain about

Plant Growth19%

“The spikes arent balanced for general growth”

Durability15%

“They broke”

Ease Of Use9%

“Difficult to use”

Value For Money7%

“They are pricey”

Size-Overall7%

“Small spikes”

Functionality-Overall7%

“Does not desolve well”

Quality-Overall5%

“Manufacturer cheaped out”

Advertised Vs Actual Product4%

“Incorrect description”

Moist/Dry4%

“wet didn't help”

Material Quality4%

“No plastic cap”

Top return reasons

Size-Overall20%
Advertised Vs Actual Product19%
Plant Growth19%
Value For Money11%
Defective Material/Parts8%
Functionality-Overall6%
Ease Of Use3%
Durability2%
Quality-Overall1%
Eco Friendliness1%

Common questions

Is fertilizer spikes profitable to sell on Amazon United States?
The niche generates $686K/yr across 20 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +38.0%. Flapen's verdict: Worth a look (55/100).
How competitive is the fertilizer spikes niche?
7 brands and 106 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in fertilizer spikes?
Top complaints mined from reviews: Plant Growth, Durability, Ease Of Use. The return rate is 0.2%.
When does demand for fertilizer spikes peak?
Demand peaks in Mar–Apr–May–Jun; the busiest month runs 3.5× the quietest.
What does it cost to enter the fertilizer spikes niche?
Listings span $4.36–$37.92; the average listing price is $11.78 (sweet spot $15–$100). The average incumbent carries 5,563 reviews — the moat a new listing must climb.