Fungus Gnat Killer
PassFungus Gnat Killer scores 67 out of 100, a Pass. Shoppers spend an estimated $2.3M a year here, search demand grew +45.3% this quarter, and an estimated 0.6% of orders come back.
- Flapen Score
- 67 / 100Top 11% of 8,839 Patio, Lawn & Garden niches · +11 vs the category median of 5667
- Market size
- $2.3M/yr1.3M searches / yr
- 90-day growth
- +45.3%search demand this quarter
- Competition
- 63%top-5 click share · 12 brands · 94 sellers
Flapen Score
Fungus Gnat Killer against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Fungus Gnat Killer is stronger. Inside it, weaker.
Market
The Fungus Gnat Killer market on Amazon at a glance
Shoppers on Amazon United States searched for Fungus Gnat Killer 1.3M times last year and spent an estimated $2.3M. The top 5 brands take 86% of clicks. Demand peaks in May–Jun–Jul–Aug. Flapen scores it 67 out of 100, a Pass.
01 · Demand
An estimated 10.6% of those searches ended in a purchase.
Shoppers searched for this 1.3M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.6% of those searches ended in a purchase. Searches in the last 90 days moved +45.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $2.3M a year.
- Searches, last 12 months
- 1.3M
- Growth, 90 days vs prior 90
- +45.3%
- Conversion, latest week
- 10.6%
- Market size, estimated
- $2.3Ma year
- Peak month
- May3.1× the quietest month
- Top search term
- fungus gnat killer124K searches a year
02 · Price
A sale here is worth $16.45.
Listings sell for $16.45 on average, from $5.98 to $33.12. Amazon reports units sold in ranges. This niche sold 125K to 150K a year. The average listing sells 6,000 to 8,000 of them. At $16.45 that is $99K to $132K a year per listing.
- Average price
- $16.45inside the $15 to $100 sweet spot
- Price range
- $5.98–$33.12
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 125K–150K
- Units per listing a year
- 6,000–8,000
- Revenue per listing a year
- $99K–$132K
- Returns
- 0.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
75% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #119 within Repellents. It carries 11,590 reviews at 4.34 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 90%
- Out of stock, average day
- 0.0%
- Average rank
- #119in Repellents
- Average rating
- 4.34 starsAmazon United States average 4.42 stars
- Average reviews
- 11,590per listing
- Listings tracked
- 20
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 64 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 64 months
Products
Top Fungus Gnat Killer 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 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Bonide Systemic Houseplant Insect Control 8 oz Ready-to-Use Granules for Indoors and Outdoors Protects Plants from Insects
- Price
- $11.25
- Rating
- 4.4/5
- Reviews
- 16,875
- Age
- 17y ago

Bonide Captain Jacks Neem Oil 32 oz Ready-to-Use Spray Multi-Purpose Fungicide Insecticide and Miticide for Organic Gardening
- Price
- $10.85
- Rating
- 4.4/5
- Reviews
- 48,911
- Age
- 14y ago

Kates Home & Garden Plant Spray for Insects & Getting Rid of Gnats with 12 Sticky Traps. Fungus Gnat Killer & Bug Spray for Indoor Plants (16oz Peppermint Pet Safe Non Toxic)
- Price
- $19.53
- Rating
- 4.0/5
- Reviews
- 1,626
- Age
- 2y ago

Bonide Insect Control Systemic Granules 4 lbs. Ready-to-Use Water Resistant Long Lasting Protection Outdoor Use
- Price
- $22.34
- Rating
- 4.6/5
- Reviews
- 6,950
- Age
- 16y ago

Kates Garden Plant Spray for Insects & Getting Rid of Gnats. Fungus Gnat Killer & Bug Spray for Indoor Plants (16oz Pet Safe Non Toxic)
- Price
- $17.92
- Rating
- 3.8/5
- Reviews
- 3,484
- Age
- 4y ago
Trending
estimated 90-day click momentum
Dr. Killigans Doom & Bloom House Plant Pest Spray - for Outdoor & Indoor Gardening Kills Aphids Spider Mites & Thrips on Contact with Adjustable Trigger Sprayer (16 oz)
- Price
- $16.77
- Rating
- 4.2/5
- Reviews
- 148
- Age
- 5mo ago

KIKALIFE Fruit Fly Trap & Fungus Gnat Traps 40 Pack Yellow Sticky Gnat Traps for House Indoor & Outdoor Plants Non-Toxic and Odorless Insect Bug Catcher
- Price
- $6.89
- Rating
- 4.5/5
- Reviews
- 1,004
- Age
- 1y ago

NatureStop Fungus Gnat Killer Spray (16oz)
- Price
- $17.18
- Rating
- 3.8/5
- Reviews
- 145
- Age
- 1y ago

Mighty Mint Peppermint Oil Plant Protection Spray Insect & Pest Control for Gnats Spider Mites & Aphids Plant-Based Easy-to-Use - 16 oz
- Price
- $21.23
- Rating
- 4.3/5
- Reviews
- 4,495
- Age
- 2y ago

Bonide Product 951 Systemic House Plant Insect Control 8 Oz. (3 Pack)
- Price
- $26.98
- Rating
- 4.6/5
- Reviews
- 123
- Age
- 9y ago
Newest
by launch date
Dr. Killigans Doom & Bloom House Plant Pest Spray - for Outdoor & Indoor Gardening Kills Aphids Spider Mites & Thrips on Contact with Adjustable Trigger Sprayer (16 oz)
- Price
- $16.77
- Rating
- 4.2/5
- Reviews
- 148
- Age
- 5mo ago

KIKALIFE Fruit Fly Trap & Fungus Gnat Traps 40 Pack Yellow Sticky Gnat Traps for House Indoor & Outdoor Plants Non-Toxic and Odorless Insect Bug Catcher
- Price
- $6.89
- Rating
- 4.5/5
- Reviews
- 1,004
- Age
- 1y ago

NatureStop Fungus Gnat Killer Spray (16oz)
- Price
- $17.18
- Rating
- 3.8/5
- Reviews
- 145
- Age
- 1y ago

Mighty Mint Peppermint Oil Plant Protection Spray Insect & Pest Control for Gnats Spider Mites & Aphids Plant-Based Easy-to-Use - 16 oz
- Price
- $21.23
- Rating
- 4.3/5
- Reviews
- 4,495
- Age
- 2y ago

Kates Home & Garden Plant Spray for Insects & Getting Rid of Gnats with 12 Sticky Traps. Fungus Gnat Killer & Bug Spray for Indoor Plants (16oz Peppermint Pet Safe Non Toxic)
- Price
- $19.53
- Rating
- 4.0/5
- Reviews
- 1,626
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 63% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 flat
Sellers
94
Est. top-5 brand share
86%
Top 20: 100%
Est. top-5 click share
63%
Top 20: 100%
Open market
11%
- Bonide57%
- Mighty Mint10%
- Kate's Home & Garden9%
- KATE'S GARDEN6%
- Bayer Advanced3%
- Summit3%
- Open — no brand owns it (6 brands, 11%)
Demand
Fungus Gnat Killer search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.1×
Search terms
Top Fungus Gnat Killer search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- fungus gnat killer124K/yr
- bonide systemic granules92K/yr
- systemic houseplant insect control97K/yr
- houseplant pest spray62K/yr
- perfect plantista houseplant pest spray53K/yr
- gnat spray for indoor plants64K/yr
- house plant pest spray43K/yr
- systemic granules43K/yr
- fungus gnat49K/yr
- plant spray35K/yr
Reviews and returns
What reviews say buyers love and hate about Fungus Gnat Killer
We read the reviews and the return reasons for every product selling here.
“Did not repel”
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.
15 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 Fungus Gnat Killer 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









