post emergent herbicide
Worth a lookShows low returns (0.5%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Great$21.37avg listing price — sweet spot $15–$100
Conversion
Great10.7%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Great$8.23–$43.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+28.0%90-day search growth — must beat 0% to launch
Review moat
Okay3,054.67avg incumbent reviews — the moat a new listing must climb
Market size
Okay$104K$104K/yr · 45K searches
Competition
Bad79%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, post emergent herbicide is a $104K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 52/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
post emergent herbicide market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- $107K–$128K
- units × avg price
- Conversion rate
- 10.7%
- Avg BSR
- #60
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 67%
- Out of stock
- 0.0%
- Avg brand age
- 113 months
- Avg seller age
- 134 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 rising
Sellers
90
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
0%
- Ortho89%
- Spectracide9%
- Roundup1%
- Southern Ag1%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 65 weeks — +28.0% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 20.8×
Top post emergent herbicide search terms
- weed b gon concentrate14K/yr
- weed be gone concentrate5K/yr
- ortho weed killer concentrate7K/yr
- weed killer concentrate for lawns6K/yr
- ortho weed b gon concentrate4K/yr
- post emergent6K/yr
- ortho weed clear concentrate3K/yr
Top post emergent herbicide 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Ortho WeedClear Lawn Weed Killer Concentrate - Weed Killer for Lawns Kills Crabgrass Dandelion Clover 32 fl. oz.
Ortho$11.554.2★1,602 rev
Ortho WeedClear Weed Killer for Lawns Concentrate - Kills Dandelion & Clover Weed Killer Concentrate 1 gal.
Ortho$36.814.3★1,634 rev
Ortho Weed B Gon Chickweed Clover and Oxalis Killer for Lawns Concentrate Kills Creeping Charlie 16 fl. Oz
Ortho$14.444.2★3,880 rev
Ortho Weed B Gon Plus Crabgrass Control Concentrate2 40 oz.
Ortho$38.474.3★2,201 rev
Spectracide Weed Stop For Lawns Concentrate Kills Weed Roots Not The Lawn 40 fl Ounce
Spectracide$8.234.3★1,688 rev
Newest
by launch date
Ortho GroundClear Year Long Vegetation Killer2 Concentrate Kills and Prevents Weeds Up to 1 Year 2 gal. Black
Ortho$43.823,588 rev
Ortho GroundClear Year Long Vegetation Killer2 Concentrate - Kills and Prevents Weeds Up to 1 Year 1 gal.
Ortho$28.043,588 rev
Ortho GroundClear Year Long Vegetation Killer2 Concentrate - Weed Killer Concentrate Kills and Prevents Weeds Up to 1 Year 32 fl. oz.
Ortho$11.273,588 rev
Spectracide Large Plot Weed Stop for Lawns Concentrate 1 Gallon Kills More Than 200 Types of Weeds as Listed
Spectracide$32.04311 rev
Roundup for Lawns Concentrate Weed Killer for Northern Grasses Kills Crabgrass 32 fl. oz.
Roundup$19.05497 rev
Trending
90-day click momentum
Ortho WeedClear Weed Killer for Lawns Refill - Herbicide Lawn Weed Killer Kills over 250 Listed Weeds Including Dandelion and Clover 1 Gal.
Ortho$15.844.2★
Spectracide Weed Stop For Lawns Plus Crabgrass Killer AccuShot Refill 1.33 Gallons Kills More Than 470 Types Of Weeds As Listed Including Dandelion Chickweed Clover Crabgrass And Yellow Nutsedge
Spectracide$16.184.0★
Ortho WeedClear Weed Killer for Lawns Concentrate - Kills Dandelion & Clover Weed Killer Concentrate 32 fl. oz.
Ortho$11.884.2★
Ortho Weed B Gon Plus Crabgrass Control Concentrate2 40 oz.
Ortho$38.474.3★
Ortho WeedClear Weed Killer for Lawns Concentrate - Kills Dandelion & Clover Weed Killer Concentrate 1 gal.
Ortho$36.814.3★
What buyers say about post emergent herbicide
What buyers praise and complain about, mined from review topics.What buyers love
“helped keep them from coming back”
“Works as described”
“Excellent product for what its made for”
“helping clear up overgrown areas”
“Fair price”
“Clear instructions”
“Easy to use”
“still NOTHING dead or dying”
“They are stronger”
“Excellent value and sprays very easy”
What buyers complain about
“Did not work as described”
“Doesn't do anything to the weed”
“no changes in any of the weeds”
“The price is kinda high”
“do not leave in sprayer”
“Not A very good product”
“Leaks a lot”
“False advertisement”
“Broken by the second use”
“Waste”
Top return reasons
Common questions
- Is post emergent herbicide profitable to sell on Amazon United States?
- The niche generates $104K/yr across 15 tracked products. 90-day search growth is +28.0%. Flapen's verdict: Worth a look (52/100).
- How competitive is the post emergent herbicide niche?
- 4 brands and 90 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in post emergent herbicide?
- Top complaints mined from reviews: Functionality-Overall, Pest/Insect Control, Plant Growth. The return rate is 0.5%.
- When does demand for post emergent herbicide peak?
- Demand peaks in Apr–May; the busiest month runs 20.8× the quietest.
- What does it cost to enter the post emergent herbicide niche?
- Listings span $8.23–$43.82; the average listing price is $21.37 (sweet spot $15–$100). The average incumbent carries 3,055 reviews — the moat a new listing must climb.