Japanese Knotweed
MaybeAn estimated 0.0% of orders come back. But the products selling today already average 4.6★, so Japanese Knotweed is a Maybe.
- Flapen Score
- 58 / 100Top 16% of 14,768 Health & Household niches · +9 vs the category median of 4958
- Market size
- $118K/yr60K searches / yr
- 90-day growth
- +24.3%search demand this quarter
- Competition
- 56%top-5 click share · 17 brands · 469 sellers
Flapen Score
Japanese Knotweed against its category
The dotted line is the Health & Household average. Past it, Japanese Knotweed is stronger. Inside it, weaker.
Market
The Japanese Knotweed market on Amazon at a glance
Shoppers on Amazon United States searched for Japanese Knotweed 60K times last year and spent an estimated $118K. The top 5 brands take 72% of clicks. Demand peaks in May–Jun. Flapen scores it 58 out of 100, a Maybe.
01 · Demand
An estimated 7.0% of those searches ended in a purchase.
Shoppers searched for this 60K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.0% of those searches ended in a purchase. Searches in the last 90 days moved +24.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $118K a year.
- Searches, last 12 months
- 60K
- Growth, 90 days vs prior 90
- +24.3%
- Conversion, latest week
- 7.0%
- Market size, estimated
- $118Ka year
- Peak month
- May1.6× the quietest month
- Top search term
- japanese knotweed45K searches a year
02 · Price
A sale here is worth $28.03.
Listings sell for $28.03 on average, from $10.16 to $45.00. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At $28.03 that is $3K to $7K a year per listing.
- Average price
- $28.03inside the $15 to $100 sweet spot
- Price range
- $10.16–$45.00
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $3K–$7K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.3% of listings are out of stock. The average listing ranks #1,492 within Antioxidants. It carries 386 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 100%
- Out of stock, average day
- 0.3%
- Average rank
- #1,492in Antioxidants
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 386per listing
- Listings tracked
- 21
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 78 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 78 months
Products
Top Japanese Knotweed products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Sign in to see the products
The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.
Competition
Competition: brands, sellers & click share
The top 5 products take 56% of clicks. Leaders hold, but buyers still shop past them.
Brands
17 rising
Sellers
469
Top-5 brand share
72%
Top 20: 100%
Top-5 click share
56%
Top 20: 99%
Open market
24%
- Brand 124%
- Brand 217%
- Brand 315%
- Brand 48%
- Brand 58%
- Brand 64%
Demand
Japanese Knotweed search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun · busiest ÷ quietest = 1.6×
Search terms
Top Japanese Knotweed search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- japanese knotweed45K/yr
- knotweed6K/yr
- itadori extract4K/yr
- japanese knotweed capsules4K/yr
Reviews and returns
What reviews say buyers love and hate about Japanese Knotweed
We read the reviews and the return reasons for every product selling here.
“it's way worse if I miss a dose”
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.
16 topics
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Japanese Knotweed questions
Answered from the same tracked data.









