---
title: "Hydrangea Colourant Blue — £39K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/hydrangea-colourant-blue"
last_updated: "2026-08-01T05:04:25.266Z"
locale: en
meta:
description: "Niche score 52/100 · £39K/yr market · 28K searches/yr. Prices mostly outside the sweet spot ($4.92–$14.39) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · £39K/yr market · 28K searches/yr. Prices mostly outside the sweet spot ($4.92–$14.39) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Hydrangea Colourant Blue — £39K/yr Amazon UK Niche (2026) - Flapen"
---
# **hydrangea colourant blue**
**Worth a look**
Shows low returns (0.0%), but prices mostly outside the sweet spot ($4.92–$14.39) keeps it on the watch list.
Market size 10Growth 98Conversion 97Competition 15Returns 100Price range 0Avg price 31Brand share 6Review moat 77Quality gap 78
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Growth**
**Incredible****+215.8%**
90-day search growth — must beat 0% to launch
**Conversion**
**Incredible****14.6%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****462.67**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****£9.73**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****82%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£39K**
£39K/yr · 28K searches
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****£4.92–£14.39**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United Kingdom niche tracking, hydrangea colourant blue is a £39K/yr Amazon United Kingdom market (28K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 52/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hydrangea colourant blue market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **£39K–£49K**
- units × avg price
- **Conversion rate**
- **14.6%**
- **Avg BSR**
- **#61**
- **Page quality**
- **0%**
- **Prime**
- **33%**
- **Sponsored**
- **56%**
- **Out of stock**
- **4.3%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▲rising
**Sellers**
**62**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**82%**
Top 20: 100%
**Open market**
**0%**
- Westland58% - Vitax Ltd24% - TOP SAVER6% - Zenon6% - Topline4% - AXpower Inspirational Technology Empowering People3%
## **Demand & seasonality**
Weekly Amazon search volume, last 64 weeks — +215.8% search growth over the last 90 days.
2K2KPrime Day '25Spike '26Prime Day '26 seasonMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: May, Jun, Jul · busiest ÷ quietest = 73.7×
[**Open Trend **](https://flapen.com/research/uk/home-garden/hydrangea-colourant-blue/trend)
## **Top hydrangea colourant blue search terms**
- **hydrangea colourant blue**18K/yr+209.5%16.7% conv. - **blue hydrangea feed**4K/yr+331.6%12.1% conv. - **hydrangea colourant**5K/yr+163.3%11.2% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/hydrangea-colourant-blue/search-terms)
## **Top hydrangea colourant blue 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%£6K30%£12K45%£18K60%£24K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Westland Hydrangea Colourant 500 g**Westland**£6.49**4.2★1,214 rev](https://www.amazon.co.uk/dp/B0779Q2T26) [2**Westland Hydrangea High Performance Liquid Plant Food 1 Litre**Westland**£4.92**4.6★1,078 rev](https://www.amazon.co.uk/dp/B08YNWT42H) [3**Vitax 500g Hydrangea Colourant**Vitax Ltd**£7.52**4.4★939 rev](https://www.amazon.co.uk/dp/B00H3EPMOK) [4**Vitax Hydrangea Colourant Enthusiast Range 250g**Vitax Ltd**£6.60**4.1★624 rev](https://www.amazon.co.uk/dp/B001CIZ4UK) [5**2 X Vitax 500g Hydrangea Colourant**Vitax Ltd**£12.93**4.2★201 rev](https://www.amazon.co.uk/dp/B078W9637Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Hydrangea Colourant Pack of 2 x 250g Powder to Enhance Blue Hydrangea Blooms | Easy-to-Use Soil Additive for Acid-Loving Plants | Encourages Rich Blue Flower Colour**AXpower Inspirational Technology Empowering People**£9.99**6 rev1y ago](https://www.amazon.co.uk/dp/B0F8RD7PBT) [**Hydrangea Colourant 500g Enhances Blue Colour in Hydrangeas Easy-to-Use Garden Formula for Vibrant Blooms**Zenon**£14.39**17 rev1y ago](https://www.amazon.co.uk/dp/B0F7M69RF9) [**Vitax Hydrangea ColourantTransform Pink Hydrangeas to Blue Ideal for Acid Soil Easy-to-Use for Indoor & Outdoor Plants 500g**TOP SAVER**£10.82**17 rev1y ago](https://www.amazon.co.uk/dp/B0DSV5Y854) [**Westland Hydrangea Plant Feed Bundle - 1L High-Performance Hydrangea Liquid Plant Food & 500g Hydrangea Colourant. Garden Fertilisers for Outdoor Plants with Topline Card.**Topline**£13.93**68 rev3y ago](https://www.amazon.co.uk/dp/B0C5J2SLWC) [**Westland Hydrangea High Performance Liquid Plant Food 1 Litre**Westland**£4.92**1,078 rev5y ago](https://www.amazon.co.uk/dp/B08YNWT42H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Westland Hydrangea High Performance Liquid Plant Food 1 Litre**Westland**£4.92**4.6★**▲ 17%**](https://www.amazon.co.uk/dp/B08YNWT42H) [**Hydrangea Colourant Pack of 2 x 250g Powder to Enhance Blue Hydrangea Blooms | Easy-to-Use Soil Additive for Acid-Loving Plants | Encourages Rich Blue Flower Colour**AXpower Inspirational Technology Empowering People**£9.99**3.8★**— 7%**](https://www.amazon.co.uk/dp/B0F8RD7PBT) [**Westland Hydrangea Colourant 500 g**Westland**£6.49**4.2★**— 5%**](https://www.amazon.co.uk/dp/B0779Q2T26) [**Vitax Hydrangea ColourantTransform Pink Hydrangeas to Blue Ideal for Acid Soil Easy-to-Use for Indoor & Outdoor Plants 500g**TOP SAVER**£10.82**4.3★**— 4%**](https://www.amazon.co.uk/dp/B0DSV5Y854) [**Hydrangea Colourant 500g Enhances Blue Colour in Hydrangeas Easy-to-Use Garden Formula for Vibrant Blooms**Zenon**£14.39**4.3★**— 4%**](https://www.amazon.co.uk/dp/B0F7M69RF9)
**~~View all trending →~~**
## **What buyers say about hydrangea colourant blue**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Color**23%
*“Brighter coloured flowers”*
**Plant Growth**18%
*“Great item, definitely helps the flowers grow”*
**Quality-Overall**17%
*“Quality Product”*
**Value For Money**12%
*“Good value for money”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Efficiency**6%
*“Most efficient and professional”*
**Ease Of Use**5%
*“Easy to use”*
**Size-Overall**2%
*“Product is fit for purpose”*
**Instructions/User Manual/Troubleshooting**1%
*“followed the easy instructions on the can”*
### **What buyers complain about **
**Color**42%
*“No colour change at all”*
**Functionality-Overall**15%
*“Did not work”*
**Durability**8%
*“My hydrangea died after using this product”*
**Plant Growth**8%
*“it nearly killed one of my plants”*
**Leak-Proof**4%
*“leaking slightly”*
**Quality-Overall**4%
*“Average product”*
**Design-Overall**4%
*“Westland have really messed up with this redesign”*
**Unsustainable Design**4%
*“Westland have really messed up with this redesign”*
### **Top return reasons **
**Leak-Proof**69%
**Color**13%
**Functionality-Overall**13%
**Maintenance And Repair**6%
## **Common questions**
- **Is hydrangea colourant blue profitable to sell on Amazon United Kingdom?**
- The niche generates £39K/yr across 9 tracked products. 90-day search growth is +215.8%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the hydrangea colourant blue niche?**
- 6 brands and 62 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in hydrangea colourant blue?**
- Top complaints mined from reviews: Color, Functionality-Overall, Durability. The return rate is 0.0%.
- **When does demand for hydrangea colourant blue peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 73.7× the quietest.
- **What does it cost to enter the hydrangea colourant blue niche?**
- Listings span £4.92–£14.39; the average listing price is £9.73 (sweet spot $15–$100). The average incumbent carries 463 reviews — the moat a new listing must climb.
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