weed preventer
Launch itA $1.9M/yr market growing +32.5% this quarter with returns at 0.4% — clears our launch bar.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Incredible13.0%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$30.34avg listing price — sweet spot $15–$100
Price range
Incredible$14.74–$61.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$1.9M$1.9M/yr · 493K searches
Growth
Good+32.5%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad4,817.38avg incumbent reviews — the moat a new listing must climb
Competition
Bad91%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, weed preventer is a $1.9M/yr Amazon United States market (493K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May–Jun–Jul. Verdict: Launch it — 58/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
weed preventer market data
- Units sold / yr
- 60K–80K
- avg 6,000–8,000/product
- Revenue / yr
- $1.8M–$2.4M
- units × avg price
- Conversion rate
- 13.0%
- Avg BSR
- #79
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 63%
- Out of stock
- 0.0%
- Avg brand age
- 68 months
- Avg seller age
- 139 days
Competition & brand share
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 falling
Sellers
54
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
91%
Top 20: 100%
Open market
0%
- Preen95%
- Roundup5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +32.5% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun, Jul · busiest ÷ quietest = 15.4×
Top weed preventer search terms
- preen weed preventer206K/yr
- preen127K/yr
- preen extended control weed preventer 6 month47K/yr
- weed preventer36K/yr
- preen garden weed preventer16K/yr
- granular preen weed preventer15K/yr
- preen extended control weed preventer8K/yr
- preen weed killer7K/yr
- preem5K/yr
- weed preventer for flower beds5K/yr
Top weed preventer 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Preen Garden Weed Preventer 16 lb. Drum Covers 2 560 sq. ft.
Preen$32.764.6★3,371 rev

Preen Garden Weed Preventer 5.625 lb. Flip-top Bottle - Covers 900 sq. ft.
Preen$14.744.6★3,371 rev

Preen Extended Control Weed Preventer - 4.93 lb. Bottle - Covers 805 sq. ft.
Preen$20.504.5★7,976 rev

Preen Extended Control Weed Preventer 13.75 lb. Drum Covers 2 245 sq. ft.
Preen$46.264.5★7,976 rev

Roundup Weed Barrier Granules for Weed Prevention 5.37 lbs.
Roundup$17.244.1★521 rev
Newest
by launch date
Preen Extended Control Weed Preventer 4.93 lb. Bottle + 10 lb. Bag
Preen$61.697,976 rev

Roundup Weed Barrier Granules for Weed Prevention 5.37 lbs.
Roundup$17.24521 rev

Preen Extended Control Weed Preventer 13.75 lb. Drum Covers 2 245 sq. ft.
Preen$46.267,976 rev

Preen Extended Control Weed Preventer - 4.93 lb. Bottle - Covers 805 sq. ft.
Preen$20.507,976 rev

Preen Garden Weed Preventer Plus Plant Food 16 lb. Drum Covers 2 560 sq ft
Preen$32.393,674 rev
Trending
90-day click momentum
Preen Garden Weed Preventer 5.625 lb. Flip-top Bottle - Covers 900 sq. ft.
Preen$14.744.6★

Preen Garden Weed Preventer Plus Plant Food 5.625 lb. Covers 900 sq. ft.
Preen$17.184.6★

Roundup Weed Barrier Granules for Weed Prevention 5.37 lbs.
Roundup$17.244.1★

Preen Garden Weed Preventer 16 lb. Drum Covers 2 560 sq. ft.
Preen$32.764.6★

Preen Extended Control Weed Preventer - 4.93 lb. Bottle - Covers 805 sq. ft.
Preen$20.504.5★
What buyers say about weed preventer
What buyers praise and complain about, mined from review topics.What buyers love
“it prevent weeds from sprouting”
“It is the best product available”
“This works to help prevent weeds”
“has proven itself to be a cost-effective”
“Easy to use”
“Works as advertised”
“I read the instructions did exactly what the instructions said”
“Excellent been using it for years after my spring clean”
“Just perfect”
“Product is effective”
What buyers complain about
“Did not work”
“Its not even working I still see grass growing”
“awful - did nothing at all to any weeds”
“Just wish it hadnt been delivered open and leaking product”
“its been down two weeks”
“very hard to open”
“Dont waste your money”
“it got wetted down”
“Product is not effective at all”
“I can't bend over very long due to back surgery”
Top return reasons
Common questions
- Is weed preventer profitable to sell on Amazon United States?
- The niche generates $1.9M/yr across 8 tracked products. 90-day search growth is +32.5%. Flapen's verdict: Launch it (58/100).
- How competitive is the weed preventer niche?
- 2 brands and 54 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in weed preventer?
- Top complaints mined from reviews: Functionality-Overall, Plant Growth, Pest/Insect Control. The return rate is 0.4%.
- When does demand for weed preventer peak?
- Demand peaks in Mar–Apr–May–Jun–Jul; the busiest month runs 15.4× the quietest.
- What does it cost to enter the weed preventer niche?
- Listings span $14.74–$61.69; the average listing price is $30.34 (sweet spot $15–$100). The average incumbent carries 4,817 reviews — the moat a new listing must climb.