hornwort
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great10.7%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Growth
Good+36.7%90-day search growth — must beat 0% to launch
Review moat
Okay1,828.94avg incumbent reviews — the moat a new listing must climb
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Avg price
Bad£6.67avg listing price — sweet spot $15–$100
Market size
Bad£33K£33K/yr · 46K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad£3.45–£11.62cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, hornwort is a £33K/yr Amazon United Kingdom market (46K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 47/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
hornwort market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- £27K–£33K
- units × avg price
- Conversion rate
- 10.7%
- Avg BSR
- #24
- Page quality
- 0%
- Prime
- 6%
- Sponsored
- 75%
- Out of stock
- 5.6%
- Avg brand age
- 88 months
- Avg seller age
- 209 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
5 rising
Sellers
3
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
62%
Top 20: 100%
Open market
0%
- k2aqua51%
- Lincolnshire Pond Plants Ltd29%
- Aquatic Arts10%
- PondPlantsUK8%
- Floratica2%
Demand
Weekly Amazon search volume, last 11 weeks — +36.7% search growth over the last 90 days.Top hornwort search terms
- hornwort27K/yr
- hornwort pond plant uk11K/yr
- hornwort aquarium plants live8K/yr
Top hornwort 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
5 x Ceratophyllum Demersum Hornwort Live Aquatic Plant for Aquarium Fish Tank Pond Oxygenating Fast Growing Freshwater K2AQUA
k2aqua£4.984.4★154 rev
Live Hornwort Plant - 2 Extra Large Bunches of Pond Plants by Aquatic Arts - Over 10 Stems by Aquatic Arts
Aquatic Arts£11.623.7★850 rev
k2aqua - 20 ELODEA DENSA Stems Oxygenating Weed Live Pond Plant Water Aquarium Aquatic Plants Egeria
k2aqua£7.414.6★709 rev
Lincolnshire Pond Plants Ltd Ceratophyllum (Hornwort) Oxygenating Pond Plant - Native Oxygenator (2 Bunch)
Lincolnshire Pond Plants Ltd£4.443.8★1,303 rev
Lincolnshire Pond Plants Ltd Ceratophyllum (Hornwort) Oxygenating Pond Plant - Native Oxygenator (3 Bunches)
Lincolnshire Pond Plants Ltd£6.053.8★1,303 rev
Newest
by launch date
Live Aquarium Plant Hornwort Ceratophyllum demersum x5 Easy Tropical Pond Aquascaping Fish Tank Fast-Growing Oxygenating Algae Control Snail Free Shrimp Safe Freshwater Floratica
Floratica£8.565 rev
10 ELODEA DENSA Oxygenating Weed Live Pond Plant Water Aquarium Aquatic Plants Egeria K2aqua
k2aqua£4.933,993 rev
5 x Ceratophyllum Demersum Hornwort Live Aquatic Plant for Aquarium Fish Tank Pond Oxygenating Fast Growing Freshwater K2AQUA
k2aqua£4.98154 rev
Ceratophyllum Demersum 10 Stems Hornwort Live Aquatic Plant for Aquarium Fish Tank Pond Oxygenating Fast Growing Freshwater K2aqua
k2aqua£7.07137 rev
8 x Ceratophyllum Demersum Hornwort Live Aquatic Plant for Aquarium Fish Tank Pond Oxygenating Fast Growing Freshwater K2AQUA
k2aqua£6.1643 rev
Trending
90-day click momentumLive Aquarium Plant Hornwort Ceratophyllum demersum x5 Easy Tropical Pond Aquascaping Fish Tank Fast-Growing Oxygenating Algae Control Snail Free Shrimp Safe Freshwater Floratica
Floratica£8.564.0★
PondPlantsUK Mixed Native Oxygenating Weed with Weights for 1 Metre Squared of Cover.
PondPlantsUK£9.143.7★
Lincolnshire Pond Plants Ltd Ceratophyllum (Hornwort) Oxygenating Pond Plant - Native Oxygenator (2 Bunch)
Lincolnshire Pond Plants Ltd£4.443.8★
k2aqua 5 Marimo Moss Balls Always Fresh Live Aquarium Plant Cladophora aegagropila
k2aqua£5.764.3★
k2aqua - 20 ELODEA DENSA Stems Oxygenating Weed Live Pond Plant Water Aquarium Aquatic Plants Egeria
k2aqua£7.414.6★
What buyers say about hornwort
What buyers praise and complain about, mined from review topics.What buyers love
“Healthy Plants”
“Good quality plants”
“fair price”
“As described”
“grew pretty good in size”
“Highly recommend nice colour and good value, have just ordered another lot, speedy delivery”
“they still seem to be alive”
“It looks nice its good for the water”
“Easy to use”
“live and healthy moss balls, arrived moist and aquarium ready”
What buyers complain about
“They are a little shorter than expected”
“Really disappointed considering the price”
“Very small plants”
“misleading”
“Terrible quality, practically a few stems with nothing growing on them except algae”
“make a right mess of ur tank”
“Dead with in 2 days”
“Then, they became yellowish and they began to flake”
“there must have been treated with pesticide because a few hours later all my shrimps were dead”
“Immature rootless cuttings that will not survive but rot”
Top return reasons
Common questions
- Is hornwort profitable to sell on Amazon United Kingdom?
- The niche generates £33K/yr across 16 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +36.7%. Flapen's verdict: Skip it (47/100).
- How competitive is the hornwort niche?
- 5 brands and 3 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in hornwort?
- Top complaints mined from reviews: Size-Overall, Value For Money, Plant Growth. The return rate is 0.0%.
- What does it cost to enter the hornwort niche?
- Listings span £3.45–£11.62; the average listing price is £6.67 (sweet spot $15–$100). The average incumbent carries 1,829 reviews — the moat a new listing must climb.