onion sets
Worth a lookShows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great356.33avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Price range
Good$5.31–$25.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good75%top-5 brand share — brands hold most of the demand
Growth
Okay+19.5%90-day search growth — must beat 0% to launch
Avg price
Okay$11.68avg listing price — sweet spot $15–$100
Market size
Okay$189K$189K/yr · 241K searches
According to Flapen's Amazon United States niche tracking, onion sets is a $189K/yr Amazon United States market (241K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Worth a look — 62/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
onion sets market data
- Units sold / yr
- 15K–20K
- avg 500–750/product
- Revenue / yr
- $175K–$234K
- units × avg price
- Conversion rate
- 6.7%
- Avg BSR
- #1,323
- Page quality
- 0%
- Prime
- 48%
- Sponsored
- 56%
- Out of stock
- 11.2%
- Avg brand age
- 48 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
21
Top-5 brand share
75%
Top 20: 99%
Top-5 click share
52%
Top 20: 91%
Open market
22%
- Stargazer Perennials33%
- TomorrowSeeds24%
- COUNTRY CREEK ACRES GROWING IS IN OUR ROOTS9%
- Organo Republic5%
- Liliana's Garden4%
- Park Seed3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +19.5% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 5.5×
Top onion sets search terms
- onion sets54K/yr
- onion bulbs for planting35K/yr
- onion sets for planting 202617K/yr
- onion bulbs25K/yr
- onions for planting12K/yr
- onion sets for planting17K/yr
- onion plants10K/yr
- green onion sets6K/yr
- onion starts9K/yr
- onion bulbs for planting 20265K/yr
Top onion sets 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Mixed Onion Assortment 8 oz - Red White & Yellow Onion Bulbs
Stargazer Perennials$15.894.3★353 rev
TomorrowSeeds - 3 Colors Mix Onion Sets (Bulbs) - 1/2 Pound (~50 Sets) - Fresh Crop Stored Cold for 2026 Planting Yellow Red White Excellent Storage Noon Intermediate Intermediate Day
TomorrowSeeds$11.244.3★1,077 rev
TomorrowSeeds - 3 Colors Mix Onion Sets (Bulbs) Seeds - 25+ Count - for 2026 Planting Yellow Red White Gardening Excellent Storage Noon Intermediate Intermediate Day Neutral Onions Grow Your Own
TomorrowSeeds$8.974.3★1,077 rev
Bunching Onion Mix Bunching Onion Seeds Fast-Growing Bunching Onions Red Long White and Standard Green Onions in Each Pack - Harvest in 50 Days | USA Grown Heirloom Seeds By Lilianas Garden |
Liliana's Garden$5.793.9★165 rev
Mixed Red White and Yellow Onion Sets 1 Pound Non-GMO Bulbs for Planting - Onion Assortment
Stargazer Perennials$25.504.4★262 rev
Newest
by launch date
KVITER 250 Texas Early Grano Onion Seeds (Allium Cepa) - Sweet Onions Short-Day Non GMO Onion Seed Packets - Heirloom Vegetable Seeds for Outdoors Vegetable Garden Kitchen Containers
KVITER$6.12791 rev
Seeds Onion Giant Variety Mix Heirloom Vegetable for Planting Non GMO
SeedsUA$7.381 rev
30+ Onion Vegetable Seeds for Planting Outdoors Garden Heirloom Non-GMO
Carpet Creeping$5.6328 rev
Onion Walla Walla Seeds Pack 1G - Over 275 Non-GMO Heirloom Onion Seeds for Planting Vegetables in Individual Seed Packet Vegetable Seeds for Planting Home Garden Indoor & Outdoor Gardening
Organo Republic$5.31511 rev
Organo Republic 8 Onion Seeds Variety Pack Heirloom Non-GMO Sets for Indoors Outdoors Gardening. 2200+ Seeds: Walla Walla Green Onion Red Burgundy White & Yellow Sweet Spanish Onions
Organo Republic$10.09316 rev
Trending
90-day click momentumKVITER 250 Texas Early Grano Onion Seeds (Allium Cepa) - Sweet Onions Short-Day Non GMO Onion Seed Packets - Heirloom Vegetable Seeds for Outdoors Vegetable Garden Kitchen Containers
KVITER$6.124.3★
Seeds Onion Giant Variety Mix Heirloom Vegetable for Planting Non GMO
SeedsUA$7.384.0★
Onion Walla Walla Seeds Pack 1G - Over 275 Non-GMO Heirloom Onion Seeds for Planting Vegetables in Individual Seed Packet Vegetable Seeds for Planting Home Garden Indoor & Outdoor Gardening
Organo Republic$5.314.4★
Yellow Onion Sets for Planting - 50-60 Non-GMO Stuttgarter Bulbs 8oz USA Grown - Stargazer Perennials
Stargazer Perennials$15.684.3★
Delicious Salad White Bunching Green Onion Scallions Seeds - Easy to Grow - Non GMO - 1600 Seeds
Marde Ross & Company$13.353.8★
What buyers say about onion sets
What buyers praise and complain about, mined from review topics.What buyers love
“Great germination”
“Excellent product”
“Worth the money”
“Just what I hoped for”
“so far easy to grow”
“Decent size”
“Healthy”
“The smell was so fresh when I opened the bag”
“Easy to plant with instructions on the package”
“Good mix of each color”
What buyers complain about
“Poor germination”
“Dried out bulbs”
“Not as advertised”
“Waste of money”
“Garbage”
“they were large”
“More white and red than yellow-was expecting an equal quantity of each”
“Hello, onion seedlings are empty and rotten, more than half are bad”
“there were a couple that were molded”
“They all died”
Top return reasons
Common questions
- Is onion sets profitable to sell on Amazon United States?
- The niche generates $189K/yr across 27 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +19.5%. Flapen's verdict: Worth a look (62/100).
- How competitive is the onion sets niche?
- 17 brands and 21 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 75% of demand.
- What do buyers complain about in onion sets?
- Top complaints mined from reviews: Plant Growth, Moist/Dry, Advertised Vs Actual Product. The return rate is 0.3%.
- When does demand for onion sets peak?
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 5.5× the quietest.
- What does it cost to enter the onion sets niche?
- Listings span $5.31–$25.50; the average listing price is $11.68 (sweet spot $15–$100). The average incumbent carries 356 reviews — the moat a new listing must climb.