---
title: "Blue Hydrangea Fertilizer — $24K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/blue-hydrangea-fertilizer"
last_updated: "2026-08-09T13:11:49.466Z"
locale: en
meta:
description: "Niche score 55/100 · $24K/yr market · 15K searches/yr · $19.72 avg price. A small market ($24K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $24K/yr market · 15K searches/yr · $19.72 avg price. A small market ($24K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Blue Hydrangea Fertilizer — $24K/yr Amazon US Niche (2026) - Flapen"
---
# **blue hydrangea fertilizer**
**Worth a look**
Shows low returns (0.4%), but a small market ($24K/yr) keeps it on the watch list.
Market size 6Growth 96Conversion 80Competition 18Returns 98Price range 83Avg price 87Brand share 42Review moat 68Quality gap 33
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Growth**
**Incredible****+145.7%**
90-day search growth — must beat 0% to launch
**Avg price**
**Great****$19.72**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.92–$43.03**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****779.57**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$24K**
$24K/yr · 15K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United States niche tracking, blue hydrangea fertilizer is a $24K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 55/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **blue hydrangea fertilizer market data**
- **Units sold / yr**
- **2K–2K**
- avg 100–250/product
- **Revenue / yr**
- **$30K–$39K**
- units × avg price
- **Conversion rate**
- **8.2%**
- **Avg BSR**
- **#443**
- **Page quality**
- **0%**
- **Prime**
- **86%**
- **Sponsored**
- **86%**
- **Out of stock**
- **1.5%**
- **Avg brand age**
- **69 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **—flat
**Sellers**
**53**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**13%**
- TPS NUTRIENTS22% - Espoma19% - Grow More16% - Earth Science13% - Jobe's Organics9% - GARDENWISE7% - Open — no brand owns it (6 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 100 weeks — +145.7% search growth over the last 90 days.
600400Spike '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 38.8×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/blue-hydrangea-fertilizer/trend)
## **Top blue hydrangea fertilizer search terms**
- **blue hydrangea fertilizer**5K/yr+332.8%10.2% conv. - **hydrangea fertilizer to turn blue**7K/yr+80.9%8.5% conv. - **hydrangea blue fertilizer**2K/yr+83.6%9.1% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/blue-hydrangea-fertilizer/search-terms)
## **Top blue hydrangea fertilizer 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%10%$2K20%$5K30%$7K40%$10K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.62**4.5★1,176 rev](https://www.amazon.com/dp/B0C73TDZCQ) [2**Espoma Organic Soil Acidifier Soil Amendment; Lowers Soil pH and Turns Hydrangeas Blue! Contains Elemental Sulfur and can be Used for Organic Gardening 6 lb. Bag - Pack of 2**Espoma**$27.18**4.7★293 rev](https://www.amazon.com/dp/B07D1C449P) [3**Grow More Hydrangea Blueing Formula - 2lbs of USA-Made Soil Acidifier for Hydrangeas Azaleas Gardenias & Many More - Contains Aluminum Sulfate that Enhances Color Change for Soil and Potted Plants**Grow More**$17.20**4.4★637 rev](https://www.amazon.com/dp/B000OVCBP2) [4**Earth Science Fast Acting Sulfur Granules 5lb Reduces Soil pH and Nutrient Runoff Improves Growth & Color for Acid-Loving Plants Long-Lasting Lawn Care Supplement**Earth Science**$22.78**4.6★869 rev](https://www.amazon.com/dp/B0BS3S1RPV) [5**Jobes Organics Granular Soil Amendment Organic Soil Acidifier for Blueberry and Hydrangea Plants 6 lbs Bag**Jobe's Organics**$20.97**4.6★3,338 rev](https://www.amazon.com/dp/B01N945J6Z)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)**GARDENWISE**$9.92**568 rev1y ago](https://www.amazon.com/dp/B0DNV3GGTQ) [**GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur Indoor & Outdoor Soil Acidifier for Miracle Growth (1/2 qt)**GARDENWISE**$13.45**568 rev1y ago](https://www.amazon.com/dp/B0DNV36ZD5) [**32oz Hydrangea Fertilizer - Makes 32 Gallons of Hydrangea Plant Food Hydrangeas Indoor Plant Fertilizer Liquid for Lush Growth Strong Stems and Vibrant Blooms Nutrient-Rich Flower Food**HiThrive**$17.89**85 rev1y ago](https://www.amazon.com/dp/B0DGQT3WL3) [**Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.62**1,176 rev3y ago](https://www.amazon.com/dp/B0C73TDZCQ) [**EZ-GRO Hydrangea Fertilizer Liquid Plant Food 21-7-7 with Aluminum Sulfate for Hydrangeas - Perfect for Blue Flowers | Rhododendrons & Azalea Fertilizer Ideal Hydroponic Nutrients - 1 qt (32 oz).**EZ-gro WE MAKE GROWING EASY**$18.53**113 rev3y ago](https://www.amazon.com/dp/B0C6FS7TWL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**32oz Hydrangea Fertilizer - Makes 32 Gallons of Hydrangea Plant Food Hydrangeas Indoor Plant Fertilizer Liquid for Lush Growth Strong Stems and Vibrant Blooms Nutrient-Rich Flower Food**HiThrive**$17.89**4.6★**▲ 68%**](https://www.amazon.com/dp/B0DGQT3WL3) [**Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.**Miracle-Gro**$20.72**4.8★**▲ 60%**](https://www.amazon.com/dp/B09ZGVRHT3) [**Espoma Organic Soil Acidifier Soil Amendment; Lowers Soil pH and Turns Hydrangeas Blue! Contains Elemental Sulfur and can be Used for Organic Gardening 6 lb. Bag - Pack of 2**Espoma**$27.18**4.7★**▲ 39%**](https://www.amazon.com/dp/B07D1C449P) [**Hoffman Blue Magic Aluminum Sulfate**Hoffman**$19.62**4.6★**▲ 30%**](https://www.amazon.com/dp/B005K8XGJ4) [**Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.62**4.5★**▲ 26%**](https://www.amazon.com/dp/B0C73TDZCQ)
**~~View all trending →~~**
## **What buyers say about blue hydrangea fertilizer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**44%
*“Helped the plants tremendously”*
**Quality-Overall**15%
*“Terrific fertilizer”*
**Color**10%
*“a beautiful blue”*
**Advertised Vs Actual Product**8%
*“Worked as advertised”*
**Ease Of Use**6%
*“Easy to use”*
**Value For Money**5%
*“Good value”*
**Size-Overall**2%
*“good value for the size of the bottle”*
**Pureness**1%
*“Perfect for reducing ph”*
**Moist/Dry**1%
*“Hydrangea fertilizer”*
**Functionality-Overall**1%
*“Seems to be working”*
### **What buyers complain about **
**Plant Growth**27%
*“it will not flower”*
**Value For Money**14%
*“not worth the money for the amount you get”*
**Color**12%
*“My plants started out blue and turned pink”*
**Functionality-Overall**8%
*“Doesn't work”*
**Quality-Overall**5%
*“Terrible:”*
**Size-Overall**4%
*“I was surprised at the small size of the package”*
**Natural Resource Wastage**4%
*“Waste”*
**Grip**4%
*“Whatever type of material that is used doesnt grip the other side of the bag”*
**Moist/Dry**4%
*“drying up when I brought them home”*
**Measurement/Reading Accuracy**4%
*“I didnt measure”*
### **Top return reasons **
**Size-Overall**19%
**Advertised Vs Actual Product**18%
**Value For Money**16%
**Leak-Proof**15%
**Functionality-Overall**11%
**Plant Growth**6%
**Color**4%
**Defective Material/Parts**2%
**Contamination**2%
**Instructions/User Manual/Troubleshooting**1%
## **Common questions**
- **Is blue hydrangea fertilizer profitable to sell on Amazon United States?**
- The niche generates $24K/yr across 14 tracked products. 90-day search growth is +145.7%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the blue hydrangea fertilizer niche?**
- 12 brands and 53 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in blue hydrangea fertilizer?**
- Top complaints mined from reviews: Plant Growth, Value For Money, Color. The return rate is 0.4%.
- **When does demand for blue hydrangea fertilizer peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 38.8× the quietest.
- **What does it cost to enter the blue hydrangea fertilizer niche?**
- Listings span $9.92–$43.03; the average listing price is $19.72 (sweet spot $15–$100). The average incumbent carries 780 reviews — the moat a new listing must climb.
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