phostrogen all purpose plant food
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
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
Okay1,706.13avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Avg price
Bad£7.66avg 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–£12.31cheapest to priciest tracked listing — scored on the share inside $15–$100
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.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
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.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Phostrogen All Purpose Plant Food 800g - Plant and Edibles Fertiliser Feed - for Promoting Healthy Growth - Improves Drought Resistance - Plant Nutrition - Indoor and Garden Use
Phostrogen£4.634.6★3,642 rev

Phostrogen All Purpose Plant Food 2kg - Plant and Edibles Fertiliser Feed - for Promoting Healthy Growth - Improves Drought Resistance - Plant Nutrition - Indoor and Garden Use
Phostrogen£12.314.6★3,642 rev

HOCHSTE All Purpose Plant Food Fertiliser Soluble Feed for Flowers Lawns Fruits & Vegetables Supports Root Strength Growth & Colour Use with Measuring Scoop (40 cans 400g)
HOCHSTE£10.425.0★4 rev

Phostrogen Organic All Purpose Liquid Plant Food 1L - All Purpose Organic Fertiliser - Enriched with Seaweed Extract for Healthy Growth - More Vegetables Brighter Blooms - Plant Nutrition
Phostrogen£6.554.4★1,291 rev

Phostrogen Organic All Purpose Plant Food 800g - All Purpose Organic Fertiliser - Enriched with Seaweed Extract for Healthy Growth - More Vegetables Brighter Blooms - Plant Nutrition
Phostrogen£6.314.4★1,291 rev
Newest
by launch date
HOCHSTE All Purpose Plant Food Fertiliser Soluble Feed for Flowers Lawns Fruits & Vegetables Supports Root Strength Growth & Colour Use with Measuring Scoop (40 cans 400g)
HOCHSTE£10.424 rev

Phostrogen All Purpose Plant Food - Soluble Feed Growth Fertiliser Lawn - Plant and Edibles Fertiliser Feed - Indoor and Garden Use - Plant Nutrition - Improves Drought Resistance (800g (80 can))
ASA£11.173 rev

Phostrogen Organic All Purpose Plant Food 800g - All Purpose Organic Fertiliser - Enriched with Seaweed Extract for Healthy Growth - More Vegetables Brighter Blooms - Plant Nutrition
Phostrogen£6.311,291 rev

Phostrogen Organic All Purpose Liquid Plant Food 1L - All Purpose Organic Fertiliser - Enriched with Seaweed Extract for Healthy Growth - More Vegetables Brighter Blooms - Plant Nutrition
Phostrogen£6.551,291 rev

Phostrogen All Purpose Plant Food 2kg - Plant and Edibles Fertiliser Feed - for Promoting Healthy Growth - Improves Drought Resistance - Plant Nutrition - Indoor and Garden Use
Phostrogen£12.313,642 rev
Trending
90-day click momentum
Phostrogen All Purpose Plant Food - Soluble Feed Growth Fertiliser Lawn - Plant and Edibles Fertiliser Feed - Indoor and Garden Use - Plant Nutrition - Improves Drought Resistance (800g (80 can))
ASA£11.174.6★

Phostrogen All Purpose Plant Food 400g - Plant and Edibles Fertiliser Feed - for Promoting Healthy Growth - Improves Drought Resistance - Plant Nutrition - Indoor and Garden Use
Phostrogen£4.384.6★

Phostrogen Organic All Purpose Liquid Plant Food 1L - All Purpose Organic Fertiliser - Enriched with Seaweed Extract for Healthy Growth - More Vegetables Brighter Blooms - Plant Nutrition
Phostrogen£6.554.4★

Phostrogen All Purpose Plant Food 800g - Plant and Edibles Fertiliser Feed - for Promoting Healthy Growth - Improves Drought Resistance - Plant Nutrition - Indoor and Garden Use
Phostrogen£4.634.6★

Phostrogen Organic All Purpose Plant Food 800g - All Purpose Organic Fertiliser - Enriched with Seaweed Extract for Healthy Growth - More Vegetables Brighter Blooms - Plant Nutrition
Phostrogen£6.314.4★
What buyers say about phostrogen all purpose plant food
What buyers praise and complain about, mined from review topics.What buyers love
“Love this, plants always seem to flourish”
“ALL GOOD GOOD VFM”
“Exceptional value and fantastic product - great seller with customers in mind”
“EASY TO USE”
“Very powerful around the garfen”
“Doesnt stain the fingers”
“it's easy to carry in this form rather than big clumsy/heavy bottles of liquid”
What buyers complain about
“This product completely destroyed my plants”
Top return reasons
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.