Is 培養土 25リットル profitable to sell on Amazon Japan?

The niche generates ¥1.2M/yr across 23 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +12.8%. Flapen's verdict: Launch it (59/100).

How competitive is the 培養土 25リットル niche?

13 brands and 32 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 72% of demand.

What do buyers complain about in 培養土 25リットル?

Top complaints mined from reviews: コストパフォーマンス, サイズ全体, 重い. The return rate is 0.2%.

When does demand for 培養土 25リットル peak?

Demand peaks in Apr–May; the busiest month runs 5.6× the quietest.

What does it cost to enter the 培養土 25リットル niche?

Listings span ¥466.19–¥4049.33; the average listing price is ¥1692.93 (sweet spot $15–$100). The average incumbent carries 561 reviews — the moat a new listing must climb.

培養土 25リットル

Launch it

A $1.2M/yr market growing +12.8% this quarter with returns at 0.2% — clears our launch bar.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Market size

Great¥1.2M

¥1.2M/yr · 18K searches

Review moat

Good560.78

avg incumbent reviews — the moat a new listing must climb

Competition

Good52%

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

Brand share

Good72%

top-5 brand share — brands hold most of the demand

Conversion

Okay3.7%

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

Growth

Okay+12.8%

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

Avg price

Bad¥1692.93

avg listing price — sweet spot $15–$100

Price range

Bad¥466.19–¥4049.33

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

Signals High Price

According to Flapen's Amazon Japan niche tracking, 培養土 25リットル is a ¥1.2M/yr Amazon Japan market (18K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Apr–May. Verdict: Launch it — 59/100.

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

培養土 25リットル market data

Units sold / yr: 1K–1K; avg 0–100/product
Revenue / yr: ¥1.7M–¥2.1M; units × avg price
Conversion rate: 3.7%
Avg BSR: #188
Page quality: 0%
Prime: 48%
Sponsored: 39%
Out of stock: 0.6%
Avg brand age: 96 months
Avg seller age: 202 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

52%

Top 20: 97%

Open market

21%

刀川平和農園24%
瀬戸ヶ原花苑14%
加藤産業14%
自然応用科学(Applied Natural)13%
畑の土　40リットル8%
プロトリーフ6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +12.8% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 5.6×

Open Trend

Top 培養土 25リットル search terms

培養土 40リットル9K/yr +38.2%4.7% conv.
畑の土8K/yr -5.0%2.6% conv.
培養土 40リットル安い486/yr -58.5%0.8% conv.

All search terms

Top 培養土 25リットル 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

刀川平和農園平和野菜畑・花畑の土 40L

刀川平和農園¥1499.264.2★306 rev

【大容量】お徳用４０リットル初期肥入りおいしく育てる!!野菜の培養土 40L 元肥入りでそのまま使える! 野菜とれとれ大収穫有機野菜家庭菜園熟成堆肥入天然有機リン酸入り。

加藤産業¥1499.374.2★94 rev

畑の土 40リットル

畑の土　40リットル¥1982.664.6★4 rev

自然応用科学畑の土 40L

自然応用科学(Applied Natural)¥3228.043.8★45 rev

プロトリーフ用土花野菜用かる～い培養土NEO 40Ｌ 40L より軽く！グングン育つ！新配合！

プロトリーフ¥1508.544.1★5 rev

Newest

by launch date

プロトリーフ用土花野菜用かる～い培養土NEO 40Ｌ 40L より軽く！グングン育つ！新配合！

プロトリーフ¥1508.545 rev

3mo ago

自然応用科学おいしい野菜の土 40L 野菜用培養土有機たっぷり元肥入り地植え・鉢植え

自然応用科学(Applied Natural)¥2679.241 rev

4mo ago

加藤産業¥1499.3794 rev

2y ago

【元肥入りそのまま使用OK】ガーデニング培養土１２L ４袋セット合計４８L 大容量草花野菜観葉植物家庭菜園ハーブ

加藤産業¥1968.5367 rev

3y ago

和歌山県産オーガニック堆肥肥料牛ふんおがくず植物性残さ (野菜くず) たい肥 40L (約15kg) 野菜ソムリエ推奨

Highclass glamour¥2041.70102 rev

4y ago

What buyers say about 培養土 25リットル

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

What buyers love

使用の容易さ25%

“花屋野菜にそのまま使えて便利です”

コストパフォーマンス20%

“お買い得です”

軽い15%

“軽いです”

総合品質8%

“良いブランド”

保管容量5%

“容量たっぷりで良いですね。”

匂い3%

“臭いもなく、使い勝手抜群です(*^^*).”

重い2%

“大容量で重いので助かります”

耐久性1%

“数年使ってます。”

サイズ全体1%

“手ごろな大きさ”

湿った/乾燥した1%

“ふわっと柔らかくて乾燥しにくいのが良いです。”

What buyers complain about

コストパフォーマンス9%

“店頭価格との比較”

サイズ全体9%

“思ったより大きかったけど”

重い9%

“40Lと大袋な為、かなり重いですが”

匂い8%

“カビ臭かった”

総合品質7%

“安かろう悪かろうです”

色5%

“明らかに緑が濃くなってきました。”

水に強い5%

“水はけ悪し”

硬い感覚4%

“土が粗い”

使用の容易さ4%

“穴開けるの大変だけど”

材料の品質3%

“肥料みたいな木屑”

Top return reasons

サイズ全体47%

保管容量12%

不良材料/部品9%

コストパフォーマンス6%

軽い6%

使用の容易さ6%

機能全体6%

認証6%

漏れ防止3%

Common questions

Is 培養土 25リットル profitable to sell on Amazon Japan?: The niche generates ¥1.2M/yr across 23 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +12.8%. Flapen's verdict: Launch it (59/100).
How competitive is the 培養土 25リットル niche?: 13 brands and 32 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in 培養土 25リットル?: Top complaints mined from reviews: コストパフォーマンス, サイズ全体, 重い. The return rate is 0.2%.
When does demand for 培養土 25リットル peak?: Demand peaks in Apr–May; the busiest month runs 5.6× the quietest.
What does it cost to enter the 培養土 25リットル niche?: Listings span ¥466.19–¥4049.33; the average listing price is ¥1692.93 (sweet spot $15–$100). The average incumbent carries 561 reviews — the moat a new listing must climb.