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67

支柱 園芸 150cm

Worth a look

Shows demand growing +405.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 58Growth 100Conversion 23Competition 60Returns 99Price range 0Avg price 0Brand share 75Review moat 97Quality gap 96

Growth

Incredible+405.9%

90-day search growth — must beat 0% to launch

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Review moat

Incredible69.19

avg incumbent reviews — the moat a new listing must climb

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Brand share

Great60%

top-5 brand share — no brand owns this niche

Competition

Good49%

top-5 click share — leaders hold, buyers still browse

Market size

Good¥460K

¥460K/yr · 8K searches

Conversion

Bad1.8%

search→purchase rate — share of searches ending in a sale

Avg price

Bad¥3026.43

avg listing price — sweet spot $15–$100

Price range

Bad¥485.05–¥13257.76

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon Japan niche tracking, 支柱 園芸 150cm is a ¥460K/yr Amazon Japan market (8K searches/yr). The top 5 brands hold 60% of demand. Verdict: Worth a look — 67/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

支柱 園芸 150cm market data

Units sold / yr
100–250
avg 0–100/product
Revenue / yr
¥303K–¥757K
units × avg price
Conversion rate
1.8%
Avg BSR
#107
Page quality
0%
Prime
56%
Sponsored
63%
Out of stock
11.3%
Avg brand age
41 months
Avg seller age
198 days

Competition & brand share

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 rising

Sellers

34

Top-5 brand share

60%

Top 20: 100%

Top-5 click share

49%

Top 20: 92%

Open market

32%

  • シンセイ(Shinsei)22%
  • Sprigra11%
  • カインズ10%
  • BSMOULFA9%
  • 第一ビニール9%
  • 国華園8%

Top 支柱 園芸 150cm 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.

0%4%¥18K8%¥37K12%¥55K16%¥74K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about 支柱 園芸 150cm

What buyers praise and complain about, mined from review topics.

What buyers love

使用の容易さ41%

“使いやすくて良いです”

組み立て/インストール11%

“まず、組み立てがとても簡単。”

強さ11%

“丈夫で使いやすいと思います。”

広告と実際の製品の違い7%

“予想通りの商品でした。”

総合品質7%

“良い品”

調整可能性/回転機能/リクライニング機能 7%

“長さが調節できる支柱”

握り心地3%

“クリップはしっかり留まりぐらつきにくい感じです。”

保管容量3%

“棒のため収納が楽です。”

耐久性3%

“耐久性も有り長期使用も期待できます。”

コストパフォーマンス3%

“値段に合っています”

What buyers complain about

サイズ全体22%

“サイズ合わせた意味が無かった。”

強さ19%

“弱かった。”

厚み17%

“竹の太さは全く商品説明と異なります。”

不良材料/部品11%

“商品は、予定日に受け取ったが、連結部品が1個欠落しており、謳い文句の連結が出来ない状況にある。”

耐久性8%

“接続パイプがやや脆そうで、屋外で長期間使うと割れそう. という部分。”

組み立て/インストール6%

“問題なのは、パイプがオスで差し込むメスがないから組み立てられないこと、つまり全く商品価値のない物が送られてきたことです。”

広告と実際の製品の違い6%

“竹の太さは全く商品説明と異なります。”

重い6%

“重くかさが大きく容易に動かせません。”

接続性 - 全体2%

“接続パイプがやや脆そうで、屋外で長期間使うと割れそう. という部分。”

Top return reasons

使用の容易さ25%
硬い感覚25%
サイズ全体25%
持続不可能なデザイン25%

Common questions

Is 支柱 園芸 150cm profitable to sell on Amazon Japan?
The niche generates ¥460K/yr across 27 tracked products. 8 of 9 products launched in the last 360 days are still selling. 90-day search growth is +405.9%. Flapen's verdict: Worth a look (67/100).
How competitive is the 支柱 園芸 150cm niche?
16 brands and 34 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in 支柱 園芸 150cm?
Top complaints mined from reviews: サイズ全体, 強さ, 厚み. The return rate is 0.2%.
What does it cost to enter the 支柱 園芸 150cm niche?
Listings span ¥485.05–¥13257.76; the average listing price is ¥3026.43 (sweet spot $15–$100). The average incumbent carries 69 reviews — the moat a new listing must climb.