---
title: "Fertiliser — £154K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/fertiliser"
last_updated: "2026-07-31T23:57:39.093Z"
locale: en
meta:
  description: "Niche score 49/100 · £154K/yr market · 190K searches/yr · £9.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · £154K/yr market · 190K searches/yr · £9.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Fertiliser — £154K/yr Amazon UK Niche (2026) - Flapen"
---

# **fertiliser**

**Skip it**

A deep review moat (3,551 avg reviews) — this niche doesn't clear our bar today.

Market size 33Growth 40Conversion 81Competition 57Returns 100Price range 42Avg price 30Brand share 32Review moat 29Quality gap 33

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****8.5%**

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

**Competition**

**Good****51%**

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

**Price range**

**Okay****£1.71–£24.44**

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

**Growth**

**Okay****+11.8%**

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

**Market size**

**Okay****£154K**

£154K/yr · 190K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****86%**

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

**Avg price**

**Okay****£9.57**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****3,551.46**

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, fertiliser is a £154K/yr Amazon United Kingdom market (190K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Skip it — 49/100.

Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **fertiliser market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**13K–15K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£120K–£144K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**8.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#44**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**69%**</dd>

<dt>**Sponsored**</dt><dd>**54%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**58 months**</dd>

<dt>**Avg seller age**</dt><dd>**166 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**12 **▼falling

**Sellers**

**122**

**Top-5 brand share**

**86%**

Top 20: 100%

**Top-5 click share**

**51%**

Top 20: 93%

**Open market**

**11%**

- Miracle-Gro42% - Westland17% - Grow Chem15% - Renaissance6% - Elixir Gardens5% - envii4% - Open — no brand owns it (6 brands, 11%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +11.8% search growth over the last 90 days.

8K6KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 10.3×

[**Open Trend **](https://flapen.com/research/uk/home-garden/fertiliser/trend)

## **Top fertiliser search terms**

- **fertiliser**46K/yr-17.2%5.3% conv. - **fertiliser for plants**27K/yr+124.8%8.4% conv. - **plant fertiliser**18K/yr+42.2%8.6% conv. - **fertilizer**16K/yr+11.8%3.9% conv. - **npk 10-10-10 fertilizer**8K/yr+114.1%1.2% conv. - **plant fertiliser outdoor**8K/yr+68.5%11.7% conv. - **garden fertilizer**11K/yr-11.3%5.8% conv. - **garden fertilisers**13K/yr-28.6%1.9% conv. - **fertilizer for outdoor plants**7K/yr+21.6%8.6% conv. - **npk fertilizer**7K/yr+3.6%2.1% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/fertiliser/search-terms)

## **Top fertiliser 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%5%£8K10%£15K15%£23K20%£31K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

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

### **Top sellers**

by 90-day click share

[1![Miracle Gro All Purpose Concentrated Liquid Plant Food 800ml](https://m.media-amazon.com/images/I/41-kqiKL9ML.jpg)**Miracle Gro All Purpose Concentrated Liquid Plant Food 800ml**Miracle-Gro**£3.29**4.6★2,760 rev](https://www.amazon.co.uk/dp/B0BS2PWSHR) [2![Miracle-Gro Continuous Release All Purpose Plant Food 900G White](https://m.media-amazon.com/images/I/41xN-gC3iVL.jpg)**Miracle-Gro Continuous Release All Purpose Plant Food 900G White**Miracle-Gro**£5.00**4.6★2,540 rev](https://www.amazon.co.uk/dp/B09WPQD43J) [3![Grow Chem Fish Blood & Bone Fertiliser (1KG Bucket) Multi-Purpose Organic Fertiliser for Plants & Lawns Nutrient-Packed Plant Food and Soil Activator for Strong Healthy Produce Flowers & Lawns](https://m.media-amazon.com/images/I/51KPlYwOTCL.jpg)**Grow Chem Fish Blood & Bone Fertiliser (1KG Bucket) Multi-Purpose Organic Fertiliser for Plants & Lawns Nutrient-Packed Plant Food and Soil Activator for Strong Healthy Produce Flowers & Lawns**Grow Chem**£6.88**4.6★871 rev](https://www.amazon.co.uk/dp/B09SY4NKYQ) [4![Westland Growmore 8kg](https://m.media-amazon.com/images/I/41eNbfLvETL.jpg)**Westland Growmore 8kg**Westland**£13.16**4.5★450 rev](https://www.amazon.co.uk/dp/B0CL7JW1DS) [5![Miracle-Gro Pour and Feed Liquid Plant Food 1L](https://m.media-amazon.com/images/I/416gpTV1eML.jpg)**Miracle-Gro Pour and Feed Liquid Plant Food 1L**Miracle-Gro**£3.19**4.5★5,273 rev](https://www.amazon.co.uk/dp/B0BS2VWFWD)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Westland Growmore 4Kg](https://m.media-amazon.com/images/I/41JRX6mJZBL.jpg)**Westland Growmore 4Kg**Westland**£7.53**37 rev8mo ago](https://www.amazon.co.uk/dp/B0G2SZCJ3C) [![Westland Fish Blood & Bone 4Kg](https://m.media-amazon.com/images/I/51R9qL+xXGL.jpg)**Westland Fish Blood & Bone 4Kg**Westland**£6.85**78 rev8mo ago](https://www.amazon.co.uk/dp/B0G2T57HX2) [![Westland Boost Slow Release Plant Food 2kg](https://m.media-amazon.com/images/I/51ltK3gOlIL.jpg)**Westland Boost Slow Release Plant Food 2kg**Westland**£10.07**154 rev1y ago](https://www.amazon.co.uk/dp/B0DTB57QFQ) [![Westland Boost Slow Release Plant Food 750g](https://m.media-amazon.com/images/I/41b6YaY03PL.jpg)**Westland Boost Slow Release Plant Food 750g**Westland**£4.95**180 rev1y ago](https://www.amazon.co.uk/dp/B0DTB5YWJB) [![Envii Allgrow Organic Multipurpose Fertiliser Plant Feed Liquid Outdoor Plant Food Perfect for Flowers & Plants - 1 Litre Makes 330 Litres](https://m.media-amazon.com/images/I/4102N9b+TFL.jpg)**Envii Allgrow Organic Multipurpose Fertiliser Plant Feed Liquid Outdoor Plant Food Perfect for Flowers & Plants - 1 Litre Makes 330 Litres**envii**£11.11**321 rev2y ago](https://www.amazon.co.uk/dp/B0CMXPL1GN)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Westland Growmore 4Kg](https://m.media-amazon.com/images/I/41JRX6mJZBL.jpg)**Westland Growmore 4Kg**Westland**£7.53**4.5★**▲ 100%**](https://www.amazon.co.uk/dp/B0G2SZCJ3C) [![Westland Fish Blood & Bone 4Kg](https://m.media-amazon.com/images/I/51R9qL+xXGL.jpg)**Westland Fish Blood & Bone 4Kg**Westland**£6.85**4.9★**▲ 98%**](https://www.amazon.co.uk/dp/B0G2T57HX2) [![Elixir Gardens Liquid Growmore Concentrate | N.P.K 18-18-18 | 1-10 Litre Bottles Available | Vegetable Fruit & Flower Food/Plant Fertiliser | 2.5 L Bottle](https://m.media-amazon.com/images/I/41OZNuokF+L.jpg)**Elixir Gardens Liquid Growmore Concentrate | N.P.K 18-18-18 | 1-10 Litre Bottles Available | Vegetable Fruit & Flower Food/Plant Fertiliser | 2.5 L Bottle**Elixir Gardens**£11.27**4.4★**▲ 73%**](https://www.amazon.co.uk/dp/B00CBUFBZ6) [![Miracle-Gro All Purpose Concentrated Liquid Plant Food 2.5L](https://m.media-amazon.com/images/I/41no79li57L.jpg)**Miracle-Gro All Purpose Concentrated Liquid Plant Food 2.5L**Miracle-Gro**£9.11**4.7★**▲ 73%**](https://www.amazon.co.uk/dp/B0BS6WD2SH) [![Miracle-Gro 17684 All Purpose Continuous Release Plant Food 1 kg Green Brown](https://m.media-amazon.com/images/I/51jqvpOW0GL.jpg)**Miracle-Gro 17684 All Purpose Continuous Release Plant Food 1 kg Green Brown**Miracle-Gro**£8.40**4.6★**▲ 51%**](https://www.amazon.co.uk/dp/B000TAUI1M)

**~~View all trending →~~**

## **What buyers say about fertiliser**

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

### **What buyers love **

**Plant Growth**28%

*“Good growth”*

**Value For Money**22%

*“Value for money”*

**Quality-Overall**16%

*“A good product with excellent results”*

**Ease Of Use**11%

*“Easy to Use”*

**Advertised Vs Actual Product**11%

*“As advertised”*

**Durability**3%

*“Used this for many years”*

**Size-Overall**2%

*“Good size”*

**Efficiency**1%

*“Works well”*

**Strength**1%

*“Sturdy container”*

**Suitable For Indoor**1%

*“Brilliant for indoor plants”*

### **What buyers complain about **

**Plant Growth**16%

*“Plants stil grow slowly”*

**Size-Overall**12%

*“Bag was smaller than expected”*

**Value For Money**11%

*“so poor value”*

**Leak-Proof**8%

*“Bottle leaks”*

**Advertised Vs Actual Product**8%

*“Misleading Information”*

**Quality-Overall**7%

*“Not the best available”*

**Smell**6%

*“Unlike other reviews I never noticed smell”*

**Durability**5%

*“vegetable plants died after I have used this”*

**Ease Of Use**4%

*“I cant get it to fill up”*

**Instructions/User Manual/Troubleshooting**4%

*“However, there's no instructions and it isn't that intuitive”*

### **Top return reasons **

**Leak-Proof**32%

**Defective Material/Parts**15%

**Advertised Vs Actual Product**9%

**Size-Overall**9%

**Value For Money**6%

**Contamination**4%

**Eco Friendliness**3%

**Plant Growth**3%

**Instructions/User Manual/Troubleshooting**2%

**Moist/Dry**2%

## **Common questions**

<dl>

<dt>**Is fertiliser profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £154K/yr across 26 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +11.8%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the fertiliser niche?**</dt><dd>12 brands and 122 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 86% of demand.</dd>

<dt>**What do buyers complain about in fertiliser?**</dt><dd>Top complaints mined from reviews: Plant Growth, Size-Overall, Value For Money. The return rate is 0.1%.</dd>

<dt>**When does demand for fertiliser peak?**</dt><dd>Demand peaks in Mar–Apr–May–Jun; the busiest month runs 10.3× the quietest.</dd>

<dt>**What does it cost to enter the fertiliser niche?**</dt><dd>Listings span £1.71–£24.44; the average listing price is £9.57 (sweet spot $15–$100). The average incumbent carries 3,551 reviews — the moat a new listing must climb.</dd>

</dl>

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