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phostrogen all purpose plant food

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 9Growth 97Conversion 100Competition 11Returns 100Price range 0Avg price 21Brand share 0Review moat 48Quality gap 25

Conversion

Incredible23.3%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Growth

Incredible+188.5%

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

Review moat

Okay1,706.13

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Avg price

Bad£7.66

avg listing price — sweet spot $15–$100

Competition

Bad87%

top-5 click share — a locked-up shelf

Market size

Bad£34K

£34K/yr · 19K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad£4.38–£12.31

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

Signals Trending

According to Flapen's Amazon United Kingdom niche tracking, phostrogen all purpose plant food is a £34K/yr Amazon United Kingdom market (19K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Skip it — 43/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

phostrogen all purpose plant food market data

Units sold / yr
4K–5K
avg 500–750/product
Revenue / yr
£31K–£38K
units × avg price
Conversion rate
23.3%
Avg BSR
#198
Page quality
0%
Prime
75%
Sponsored
63%
Out of stock
0.0%
Avg brand age
69 months
Avg seller age
188 days

Competition & brand share

The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

41

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

0%

  • Phostrogen87%
  • HOCHSTE11%
  • ASA3%

Demand & seasonality

Weekly Amazon search volume, last 61 weeks — +188.5% search growth over the last 90 days.
1K600Spike '26JunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 39.8×

Top phostrogen all purpose plant food search terms

  • phostrogen plant food11K/yr
  • phostrogen all purpose plant food5K/yr
  • phostrogen3K/yr
All search terms

Top phostrogen all purpose plant food 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%15%£5K30%£10K45%£15K60%£21K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about phostrogen all purpose plant food

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

What buyers love

Plant Growth32%

“Love this, plants always seem to flourish”

Quality-Overall32%

“ALL GOOD GOOD VFM”

Value For Money16%

“Exceptional value and fantastic product - great seller with customers in mind”

Ease Of Use8%

“EASY TO USE”

Strength6%

“Very powerful around the garfen”

Stain Resistance3%

“Doesnt stain the fingers”

Portability3%

“it's easy to carry in this form rather than big clumsy/heavy bottles of liquid”

What buyers complain about

Plant Growth100%

“This product completely destroyed my plants”

Top return reasons

Moist/Dry50%
Defective Material/Parts50%

Common questions

Is phostrogen all purpose plant food profitable to sell on Amazon United Kingdom?
The niche generates £34K/yr across 8 tracked products. 90-day search growth is +188.5%. Flapen's verdict: Skip it (43/100).
How competitive is the phostrogen all purpose plant food niche?
3 brands and 41 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in phostrogen all purpose plant food?
Top complaints mined from reviews: Plant Growth. The return rate is 0.0%.
When does demand for phostrogen all purpose plant food peak?
Demand peaks in Apr–May–Jun–Jul; the busiest month runs 39.8× the quietest.
What does it cost to enter the phostrogen all purpose plant food niche?
Listings span £4.38–£12.31; the average listing price is £7.66 (sweet spot $15–$100). The average incumbent carries 1,706 reviews — the moat a new listing must climb.