Duckweed
MaybeThe products selling today average only 3.6★. But demand is soft, at -17.6% this quarter, so Duckweed is a Maybe.
- Flapen Score
- 50 / 100Ranks 1,991 of 3,978 Pet Supplies niches · −1 vs the category median of 5150
- Market size
- $187K/yr302K searches / yr
- 90-day growth
- -17.6%search demand this quarter
- Competition
- 78%top-5 click share · 11 brands · 15 sellers
Flapen Score
Duckweed against its category
The dotted line is the Pet Supplies average. Past it, Duckweed is stronger. Inside it, weaker.
Market
The Duckweed market on Amazon at a glance
Shoppers on Amazon United States searched for Duckweed 302K times last year and spent an estimated $187K. The top 5 brands take 80% of clicks. Demand peaks in Feb. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 5.2% of those searches ended in a purchase.
Shoppers searched for this 302K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.2% of those searches ended in a purchase. Searches in the last 90 days moved -17.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $187K a year.
- Searches, last 12 months
- 302K
- Growth, 90 days vs prior 90
- -17.6%
- Conversion, latest week
- 5.2%
- Market size, estimated
- $187Ka year
- Peak month
- February2.2× the quietest month
- Top search term
- duckweed124K searches a year
02 · Price
A sale here is worth $11.98.
Listings sell for $11.98 on average, from $7.12 to $24.96. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 750 to 1,000 of them. At $11.98 that is $9K to $12K a year per listing.
- Average price
- $11.98under the $15 to $100 sweet spot
- Price range
- $7.12–$24.96
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $9K–$12K
- Returns
- 0.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
58% of listings pay for placement with sponsored ads. 25% ship with Prime. On an average day, 4.8% of listings are out of stock. The average listing ranks #545 within Fish & Aquatic Pets. It carries 430 reviews at 3.63 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 58%
- Prime listings
- 25%
- Out of stock, average day
- 4.8%
- Average rank
- #545in Fish & Aquatic Pets
- Average rating
- 3.63 starsAmazon United States average 4.42 stars
- Average reviews
- 430per listing
- Listings tracked
- 12
04 · Newcomers
2 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 62 months on average, so the names here are established.
- Launched, last 12 months
- 4
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 62 months
Products
Top Duckweed products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Giant Duckweed Spirodela polyrhiza Live Aquarium/Aquatic/Freshwater/Floating/Pond Plant Planted Tank Aquascaping by Aquarium Plant Center (30 Plants)
- Price
- $7.12
- Rating
- 4.2/5
- Reviews
- 993
- Age
- 5y ago

1000 Live Duckweed Plants LEMNA Minor
- Price
- $11.54
- Rating
- 3.3/5
- Reviews
- 1,676
- Age
- 9y ago

40+ Giant Duckweed (Spirodela polyrhiza) Live Floating Plants for Aquarium or Pond By TMDFishKeeping
- Price
- $9.83
- Rating
- 3.7/5
- Reviews
- 431
- Age
- 5y ago

60+ Live Giant Duckweed Plants Spirodela Polyrhiza Floating Plants for Pond Aquarium
- Price
- $12.46
- Rating
- 3.7/5
- Reviews
- 90
- Age
- 1y ago

1000+ Live Duckweed Plants Lemna Minor Floating Aquarium & Pond Plant
- Price
- $11.51
- Rating
- 3.7/5
- Reviews
- 15
- Age
- 2mo ago
Trending
estimated 90-day click momentum
5 000 Live Duckweed Plants (Lemna Minor) for Aquariums & Ponds | Fast-Growing Floating Aquarium Plant | Natural Fish Food for Koi Goldfish & Shrimp | Helps Reduce Nitrates | Healthy Live Plants
- Price
- $16.03
- Rating
- 1.0/5
- Reviews
- 1
- Age
- 4w ago

1000+ Live Duckweed Plants Lemna Minor Floating Aquarium & Pond Plant
- Price
- $11.51
- Rating
- 3.7/5
- Reviews
- 15
- Age
- 2mo ago

Floating Plant Bundle - Red Root Floaters Salvinia Giant Duckweed - Aquarium Live Plant Collection - (30+ Leaves Each)
- Price
- $24.96
- Rating
- 4.4/5
- Reviews
- 37
- Age
- 7mo ago

500+ Golden Purslane Seeds Portulaca Sativa Leafy Little Hogweed Duckweed Herb Vegetable Garden Plant
- Price
- $7.57
- Rating
- 4.1/5
- Reviews
- 2
- Age
- 7mo ago

NIKA SEEDS - Seeds Vegetable Common Purslane Duckweed Little Hogweed - 1000 Seeds
- Price
- $8.92
- Rating
- 4.1/5
- Reviews
- 6
- Age
- 2y ago
Newest
by launch date
5 000 Live Duckweed Plants (Lemna Minor) for Aquariums & Ponds | Fast-Growing Floating Aquarium Plant | Natural Fish Food for Koi Goldfish & Shrimp | Helps Reduce Nitrates | Healthy Live Plants
- Price
- $16.03
- Rating
- 1.0/5
- Reviews
- 1
- Age
- 4w ago

1000+ Live Duckweed Plants Lemna Minor Floating Aquarium & Pond Plant
- Price
- $11.51
- Rating
- 3.7/5
- Reviews
- 15
- Age
- 2mo ago

Floating Plant Bundle - Red Root Floaters Salvinia Giant Duckweed - Aquarium Live Plant Collection - (30+ Leaves Each)
- Price
- $24.96
- Rating
- 4.4/5
- Reviews
- 37
- Age
- 7mo ago

500+ Golden Purslane Seeds Portulaca Sativa Leafy Little Hogweed Duckweed Herb Vegetable Garden Plant
- Price
- $7.57
- Rating
- 4.1/5
- Reviews
- 2
- Age
- 7mo ago

60+ Live Giant Duckweed Plants Spirodela Polyrhiza Floating Plants for Pond Aquarium
- Price
- $12.46
- Rating
- 3.7/5
- Reviews
- 90
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 78% of clicks. A locked shelf that new listings rarely crack.
Brands
11 falling
Sellers
15
Est. top-5 brand share
80%
Top 20: 100%
Est. top-5 click share
78%
Top 20: 100%
Open market
15%
- Aquarium Plant Center38%
- Quinn's Fins19%
- Generic9%
- InnoD9%
- Awesome Aquatic6%
- Aquarigram5%
- Open — no brand owns it (5 brands, 15%)
Demand
Duckweed search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb · busiest ÷ quietest = 2.2×
Search terms
Top Duckweed search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- duckweed124K/yr
- duckweed live plant for aquarium62K/yr
- duck weed34K/yr
- duckweed seeds16K/yr
- duck weed for aquariums live20K/yr
- duck weed for ponds5K/yr
- duckweed live plant9K/yr
- live duckweed8K/yr
- duck weed seeds7K/yr
- giant duckweed4K/yr
Reviews and returns
What reviews say buyers love and hate about Duckweed
We read the reviews and the return reasons for every product selling here.
“Small plants, small portion”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Duckweed questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









