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50

onion seeds

Worth a look

Shows low returns (0.3%), but soft demand (-36.2% this quarter) keeps it on the watch list.

Market size 28Growth 7Conversion 77Competition 56Returns 98Price range 40Avg price 22Brand share 58Review moat 49Quality gap 76

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Conversion

Great7.5%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good70%

top-5 brand share — brands hold most of the demand

Competition

Good51%

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

Review moat

Okay1,635.14

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$4.02–$22.26

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

Market size

Okay$122K

$122K/yr · 206K searches

Avg price

Bad$7.83

avg listing price — sweet spot $15–$100

Growth

Bad-36.2%

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

According to Flapen's Amazon United States niche tracking, onion seeds is a $122K/yr Amazon United States market (206K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Jan–Feb–Mar–Apr. Verdict: Worth a look — 50/100.

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

onion seeds market data

Units sold / yr
15K–20K
avg 500–750/product
Revenue / yr
$117K–$157K
units × avg price
Conversion rate
7.5%
Avg BSR
#597
Page quality
0%
Prime
93%
Sponsored
71%
Out of stock
9.2%
Avg brand age
68 months
Avg seller age
162 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

22

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

51%

Top 20: 93%

Open market

20%

  • Sow Right Seeds17%
  • KVITER17%
  • SURVIVAL GARDEN SEEDS16%
  • Organo Republic11%
  • SWEET YARDS10%
  • Purely Organic Products LLC9%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -36.2% search growth over the last 90 days.
7K5KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 3.3×

Top onion seeds search terms

  • onion seeds100K/yr
  • onion seeds for planting42K/yr
  • onion seeds for planting outdoors7K/yr
  • vidalia onion seeds8K/yr
  • onion seed9K/yr
  • semillas de cebolla para sembrar8K/yr
  • sweet onion seeds6K/yr
  • onions seeds4K/yr
  • semillas de cebolla4K/yr
  • semilla de cebolla3K/yr
All search terms

Top onion seeds 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%4%$5K8%$10K12%$15K16%$19K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about onion seeds

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

What buyers love

Plant Growth49%

“They are growing”

Quality-Overall25%

“Excellent Variety”

Value For Money10%

“Worth it”

Advertised Vs Actual Product4%

“As advertised”

Strength2%

“super sturdy seedlings”

Instructions/User Manual/Troubleshooting2%

“Basic instructions”

Smell1%

“The smell was so fresh when I opened the bag”

Ease Of Use1%

“easy to use”

Durability1%

“Great viability”

Gifting Purpose1%

“Great gift”

What buyers complain about

Plant Growth53%

“Poor Germination”

Quality-Overall10%

“Poor quality”

Advertised Vs Actual Product9%

“Misleading pictures”

Size-Overall5%

“they're getting big”

Moist/Dry5%

“Alot dried up”

Value For Money4%

“Bad deal”

Functionality-Overall3%

“Does it do dont do well”

Ease Of Use2%

“Green onions seeds having difficulty sprouting them”

Certifications2%

“Not certified for the current year”

Natural Resource Wastage1%

“total waste”

Top return reasons

Advertised Vs Actual Product33%
Value For Money17%
Plant Growth15%
Size-Overall9%
Defective Material/Parts6%
Functionality-Overall5%
Moist/Dry3%
Quality-Overall2%
Smell2%
Leak-Proof1%

Common questions

Is onion seeds profitable to sell on Amazon United States?
The niche generates $122K/yr across 28 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -36.2%. Flapen's verdict: Worth a look (50/100).
How competitive is the onion seeds niche?
17 brands and 22 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in onion seeds?
Top complaints mined from reviews: Plant Growth, Quality-Overall, Advertised Vs Actual Product. The return rate is 0.3%.
When does demand for onion seeds peak?
Demand peaks in Jan–Feb–Mar–Apr; the busiest month runs 3.3× the quietest.
What does it cost to enter the onion seeds niche?
Listings span $4.02–$22.26; the average listing price is $7.83 (sweet spot $15–$100). The average incumbent carries 1,635 reviews — the moat a new listing must climb.