nematodes fungus gnats
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.9%search→purchase rate — share of searches ending in a sale
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Review moat
Good1,358.23avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£11.55avg listing price — sweet spot $15–$100
Price range
Okay£5.01–£18.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-14.9%90-day search growth — must beat 0% to launch
Market size
Bad£64K£64K/yr · 47K searches
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, nematodes fungus gnats is a £64K/yr Amazon United Kingdom market (47K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 44/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
nematodes fungus gnats market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- £58K–£69K
- units × avg price
- Conversion rate
- 11.9%
- Avg BSR
- #120
- Page quality
- 0%
- Prime
- 38%
- Sponsored
- 85%
- Out of stock
- 8.1%
- Avg brand age
- 57 months
- Avg seller age
- 183 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 rising
Sellers
10
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
1%
- Gardening Naturally40%
- Nemasys33%
- READY STEADY DEFEND11%
- PLANT NURSE9%
- Detox Organica4%
- Generic2%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 88 weeks — -14.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.8×
Top nematodes fungus gnats search terms
- nematodes fungus gnats22K/yr
- fungus gnat nematodes11K/yr
- steinernema feltiae5K/yr
- beneficial nematodes5K/yr
- sciarid fly nematodes4K/yr
Top nematodes fungus gnats 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fungus Gnat Nematodes for Houseplants and Indoor Plants Natural Soil Drench Treatment for Fungus Gnat Larvae in Compost Treats up to 12 sq.m
Gardening Naturally£13.383.9★106 rev
Sciarid Fly Nematodes Fungus Gnat Compost Fly Organic Natural Killer Treatment Treats 12.sqm
Gardening Naturally£13.144.1★1,006 rev
Nemasys Natural Fruit and Veg Protection Nematodes
Nemasys£8.854.2★1,857 rev
Sciarid Fly Killer Nematodes 15 sqm
Nemasys£10.504.4★843 rev
Fungus Gnat Control Gnat Attack Tablets Natural Pesticide-Free Solution for Effective Fungus Gnat & Larvae Control.
PLANT NURSE£11.883.8★110 rev
Newest
by launch date
Fungus Gnat Control Granules for Indoor Plants | Natural Diatomaceous Earth Soil Topper | Breaks Gnat Life Cycle & Prevents Larvae | Pesticide-Free Fungus Gnat Killer Spray Alternative | 1L
READY STEADY DEFEND£12.5339 rev
Fungus Gnat Control Gnat Attack Tablets Natural Pesticide-Free Solution for Effective Fungus Gnat & Larvae Control.
PLANT NURSE£11.88110 rev
Detox Organica Anti-Fungus Gnat Soil Treatment 100g - Powder 100% Soluble - Multi-Pest Control for Gnats Black Flies and Mosquito Larvae - with 5g Measuring Scoop
Detox Organica£10.6440 rev
Fungus Gnat Nematodes for Houseplants and Indoor Plants Natural Soil Drench Treatment for Fungus Gnat Larvae in Compost Treats up to 12 sq.m
Gardening Naturally£13.38106 rev
Fungus Gnat Killer Nematodes 10 m (5 million) Indoor Plants - Effective Biological Control Ideal Gnats Killer Indoor Plants Comprehensive Scairid Fly Killer for Houseplants
READY STEADY DEFEND£13.23118 rev
Trending
90-day click momentum
Nemasys no ant 16sqm pack
Nemasys£11.523.8★
Nemasys Leatherjacket Killer nematode treatment (100 sqm)
Nemasys£18.514.3★
Detox Organica Anti-Fungus Gnat Soil Treatment 100g - Powder 100% Soluble - Multi-Pest Control for Gnats Black Flies and Mosquito Larvae - with 5g Measuring Scoop
Detox Organica£10.643.6★
Fungus Gnat Control Gnat Attack Tablets Natural Pesticide-Free Solution for Effective Fungus Gnat & Larvae Control.
PLANT NURSE£11.883.8★
Fungus Gnat Control Granules for Indoor Plants | Natural Diatomaceous Earth Soil Topper | Breaks Gnat Life Cycle & Prevents Larvae | Pesticide-Free Fungus Gnat Killer Spray Alternative | 1L
READY STEADY DEFEND£12.533.6★
What buyers say about nematodes fungus gnats
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“Good quality”
“Easy to Use”
“Work well and clears up small plant insects”
“Good value”
“The instructions are clear”
“Sturdy and easy to use,”
“Very good combined with yellow stickys”
“our grass has finally started growing again”
“Works excellent”
What buyers complain about
“Did not work”
“No gnats”
“Not Sticky Atall”
“Not cheap”
“I tried all the usual solutions. but dislike chemical sprays.”
“Apart from smelling fresh”
“too flimsy”
“instructions could be better”
“Absolute rubbish, does not work”
“Bigger than I thought”
Top return reasons
Common questions
- Is nematodes fungus gnats profitable to sell on Amazon United Kingdom?
- The niche generates £64K/yr across 13 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Skip it (44/100).
- How competitive is the nematodes fungus gnats niche?
- 7 brands and 10 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in nematodes fungus gnats?
- Top complaints mined from reviews: Functionality-Overall, Pest/Insect Control, Adhesion/Stickiness. The return rate is 0.1%.
- When does demand for nematodes fungus gnats peak?
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- What does it cost to enter the nematodes fungus gnats niche?
- Listings span £5.01–£18.51; the average listing price is £11.55 (sweet spot $15–$100). The average incumbent carries 1,358 reviews — the moat a new listing must climb.