---
title: "Hydrangea Fertilizer — $553K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/hydrangea-fertilizer"
last_updated: "2026-08-11T05:50:04.839Z"
locale: en
meta:
description: "Niche score 62/100 · $553K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 62/100 · $553K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Hydrangea Fertilizer — $553K/yr Amazon US Niche (2026) - Flapen"
---
# **hydrangea fertilizer**
**Worth a look**
Shows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 62Growth 97Conversion 95Competition 16Returns 98Price range 71Avg price 81Brand share 19Review moat 72Quality gap 30
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Growth**
**Incredible****+188.3%**
90-day search growth — must beat 0% to launch
**Conversion**
**Incredible****12.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$17.53**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****604.6**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$9.91–$27.18**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$553K**
$553K/yr · 248K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United States niche tracking, hydrangea fertilizer is a $553K/yr Amazon United States market (248K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Worth a look — 62/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hydrangea fertilizer market data**
- **Units sold / yr**
- **30K–40K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **$526K–$701K**
- units × avg price
- **Conversion rate**
- **12.7%**
- **Avg BSR**
- **#178**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **95 months**
- **Avg seller age**
- **145 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**32**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**3%**
- TPS NUTRIENTS56% - GARDENWISE18% - Espoma7% - Earth Science7% - Miracle-Gro5% - HiThrive4% - Open — no brand owns it (1 brand, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +188.3% search growth over the last 90 days.
25K15KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 34.0×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/hydrangea-fertilizer/trend)
## **Top hydrangea fertilizer search terms**
- **hydrangea fertilizer**161K/yr+163.2%11.6% conv. - **hydrangea food**20K/yr+396.9%9.0% conv. - **best fertilizer for hydrangeas**18K/yr+326.9%3.0% conv. - **fertilizer for hydrangeas**13K/yr+115.2%9.4% conv. - **hydrangea bloom booster**7K/yr>1,000%2.2% conv. - **hydrangea fertilizer outdoor**4K/yr+391.3%10.3% conv. - **best fertilizer for hydrangea blooms**4K/yr+113.6%4.0% conv. - **hydrangea plant food**3K/yr+152.9%8.5% conv. - **fertilizer for hydrangea blooms**3K/yr>1,000%5.0% conv. - **hydrangea food fertilizer**3K/yr+149.9%9.3% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/hydrangea-fertilizer/search-terms)
## **Top 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%15%$83K30%$166K45%$249K60%$332K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 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**GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)**GARDENWISE**$9.92**4.4★568 rev](https://www.amazon.com/dp/B0DNV3GGTQ) [3**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) [4**Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 32 oz**TPS NUTRIENTS**$23.34**4.5★1,176 rev](https://www.amazon.com/dp/B0C73T7GD6) [5**Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.**Miracle-Gro**$20.72**4.8★643 rev](https://www.amazon.com/dp/B09ZGVRHT3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Hydrangea Fertilizer - Nursery Grade - Controlled Release - Works on All Varieties of Hydrangeas (6 oz.)**Flora's Market**$9.91**198 rev1y ago](https://www.amazon.com/dp/B0DSR9VPS2) [**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) [**16oz Hydrangea Fertilizer - Makes 16 Gallons of Hydrangea Plant Food Hydrangeas Indoor Plant Fertilizer Liquid for Lush Growth Strong Stems and Vibrant Blooms Nutrient-Rich Flower Food**HiThrive**$12.92**85 rev1y ago](https://www.amazon.com/dp/B0DGQWNZGH) [**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)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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★**▲ 30%**](https://www.amazon.com/dp/B07D1C449P) [**Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 32 oz**TPS NUTRIENTS**$23.34**4.5★**▲ 29%**](https://www.amazon.com/dp/B0C73T7GD6) [**Espoma Organic Holly-Tone 4-3-4 Natural & Organic Evergreen & Azalea Plant Food; 4 lb. Bag; The Original & Best Fertilizer for All Acid Loving Plants Including Rhododendrons & Hydrangeas. Pack of 2**Espoma**$23.51**4.8★**▲ 17%**](https://www.amazon.com/dp/B07DJJSLMF) [**Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.62**4.5★**▲ 12%**](https://www.amazon.com/dp/B0C73TDZCQ) [**Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.**Miracle-Gro**$20.72**4.8★**▲ 10%**](https://www.amazon.com/dp/B09ZGVRHT3)
**~~View all trending →~~**
## **What buyers say about hydrangea fertilizer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**46%
*“So much new growth”*
**Quality-Overall**21%
*“Good produvt”*
**Advertised Vs Actual Product**10%
*“Worked as advertised”*
**Value For Money**6%
*“Good value”*
**Color**5%
*“a beautiful blue”*
**Ease Of Use**2%
*“Easy to use with results after a week already”*
**Strength**2%
*“Strong”*
**Design-Overall**1%
*“plants look fantastic”*
**Pest/Insect Control**1%
*“Works great for hydrangeas”*
**Size-Overall**1%
*“Perfect size for my raised bed garden”*
### **What buyers complain about **
**Plant Growth**22%
*“it will not flower”*
**Value For Money**16%
*“not worth the money for the amount you get”*
**Size-Overall**8%
*“they are huge”*
**Functionality-Overall**8%
*“Doesn't work”*
**Quality-Overall**6%
*“Terrible:”*
**Leak-Proof**6%
*“Closure leaked and clogged”*
**Color**4%
*“Will not change the color of your Hydrangeas”*
**Moist/Dry**4%
*“drying up when I brought them home”*
**Grip**4%
*“Whatever type of material that is used doesnt grip the other side of the bag”*
**Natural Resource Wastage**4%
*“Waste”*
### **Top return reasons **
**Size-Overall**23%
**Value For Money**20%
**Advertised Vs Actual Product**16%
**Leak-Proof**12%
**Functionality-Overall**10%
**Plant Growth**6%
**Defective Material/Parts**2%
**Color**2%
**Ease Of Use**1%
**Quality-Overall**1%
## **Common questions**
- **Is hydrangea fertilizer profitable to sell on Amazon United States?**
- The niche generates $553K/yr across 10 tracked products. 90-day search growth is +188.3%. Flapen's verdict: Worth a look (62/100).
- **How competitive is the hydrangea fertilizer niche?**
- 7 brands and 32 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in hydrangea fertilizer?**
- Top complaints mined from reviews: Plant Growth, Value For Money, Size-Overall. The return rate is 0.3%.
- **When does demand for hydrangea fertilizer peak?**
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 34.0× the quietest.
- **What does it cost to enter the hydrangea fertilizer niche?**
- Listings span $9.91–$27.18; the average listing price is $17.53 (sweet spot $15–$100). The average incumbent carries 605 reviews — the moat a new listing must climb.
## **Related niches in Patio, Lawn & Garden**
- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)