---
title: "Rhododendron Fertilizer — $45K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/rhododendron-fertilizer"
last_updated: "2026-08-10T17:37:12.062Z"
locale: en
meta:
description: "Niche score 56/100 · $45K/yr market · 18K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $45K/yr market · 18K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Rhododendron Fertilizer — $45K/yr Amazon US Niche (2026) - Flapen"
---
# **rhododendron 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 11Growth 95Conversion 97Competition 24Returns 98Price range 65Avg price 79Brand share 36Review moat 58Quality gap 32
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****14.8%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Incredible****+118.7%**
90-day search growth — must beat 0% to launch
**Avg price**
**Great****$16.57**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$9.94–$24.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,175**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****72%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$45K**
$45K/yr · 18K 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, rhododendron fertilizer is a $45K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Worth a look — 56/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rhododendron fertilizer market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$41K–$50K**
- units × avg price
- **Conversion rate**
- **14.8%**
- **Avg BSR**
- **#690**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **71%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **110 months**
- **Avg seller age**
- **145 days**
## **Competition & brand share**
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**56**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**72%**
Top 20: 100%
**Open market**
**10%**
- Miracle-Gro27% - GARDENWISE18% - TPS NUTRIENTS14% - Schultz12% - Dr. Earth12% - HiThrive7% - Open — no brand owns it (3 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 54 weeks — +118.7% search growth over the last 90 days.
1K600Spike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 36.9×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/rhododendron-fertilizer/trend)
## **Top rhododendron 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%$4K20%$9K30%$13K40%$18K101001K10K 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**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) [2**GARDENWISE 8-4-8 Acidic Fertilizer for Azaleas Camellias (Camelia) Hydrangeas Blueberries Gardenias Magnolia Trees Evergreens and Rhododendrons - Ideal Iron-Rich Plant Food (12 OZ)**GARDENWISE**$9.94**4.4★912 rev](https://www.amazon.com/dp/B0CQPNVKLG) [3**Rhododendron Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.74**4.6★31 rev](https://www.amazon.com/dp/B0CPGHTJYC) [4**Dr. Earth Acid Lovers Azalea Camellia Rhododendron & Maple Fertilizer 4 lb**Dr. Earth**$16.55**4.6★472 rev](https://www.amazon.com/dp/B079ZPY4GT) [5**Schultz SPF48340 Slow-Release ACR Fertilizer 3.5 Lbs 56 Ounce**Schultz**$13.44**4.5★147 rev](https://www.amazon.com/dp/B01JI360TO)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**16oz Rhododendron Plant Food Makes 16 Gallons of Rhododendron Fertilizer for Rhododendrons Plant Fertilizer for Vibrant Blooms Greener Leaves & Healthy Growth Nutrient-Rich Flower Food**HiThrive**$12.97**34 rev1y ago](https://www.amazon.com/dp/B0DGTH9R3R) [**GARDENWISE 8-4-8 Acidic Fertilizer for Azaleas Camellias (Camelia) Hydrangeas Blueberries Gardenias Magnolia Trees Evergreens and Rhododendrons - Ideal Iron-Rich Plant Food (12 OZ)**GARDENWISE**$9.94**912 rev2y ago](https://www.amazon.com/dp/B0CQPNVKLG) [**Rhododendron Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.74**31 rev2y ago](https://www.amazon.com/dp/B0CPGHTJYC) [**Rhododendron Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 32 oz**TPS NUTRIENTS**$24.43**31 rev2y ago](https://www.amazon.com/dp/B0CPFZRJ67) [**Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.**Miracle-Gro**$20.72**643 rev4y ago](https://www.amazon.com/dp/B09ZGVRHT3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Rhododendron Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 32 oz**TPS NUTRIENTS**$24.43**4.6★**▲ 75%**](https://www.amazon.com/dp/B0CPFZRJ67) [**Down To Earth All Natural Fertilizers Organic Acid Mix - Plant Food for Blueberries Raspberries Azaleas and Rhododendrons 4-3-6 1 lb**Down To Earth All Natural Fertilizers**$10.07**4.6★**▲ 52%**](https://www.amazon.com/dp/B011L3T10E) [**Miracle-Gro Shake N Feed Flowering Trees and Shrubs Plant Food 8 lb.**Miracle-Gro**$23.40**4.6★**▲ 28%**](https://www.amazon.com/dp/B01NALRUDD) [**DR EARTH 703P Organic 4 Azalea/Camellia/Rhododendron Acid Fertilizer in Poly Bag 4-Pound Natural**Dr. Earth**$17.28**4.6★**▲ 20%**](https://www.amazon.com/dp/B000VZRV38) [**Rhododendron Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.74**4.6★**▲ 15%**](https://www.amazon.com/dp/B0CPGHTJYC)
**~~View all trending →~~**
## **What buyers say about rhododendron fertilizer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**48%
*“They are growing well”*
**Quality-Overall**21%
*“Good produvt”*
**Advertised Vs Actual Product**7%
*“Worked as advertised”*
**Ease Of Use**6%
*“Easy to use”*
**Value For Money**6%
*“Decent amount for the price”*
**Instructions/User Manual/Troubleshooting**3%
*“Followed all instructions”*
**Pest/Insect Control**1%
*“Works great for hydrangeas”*
**Design-Overall**1%
*“I like the art on the boxes”*
**Brightness/Shine/Glow**1%
*“almost iridescent with the sun shining on them”*
**Smell**1%
*“The product showed up quickly it smelled so good our dogs tore open the box”*
### **What buyers complain about **
**Size-Overall**37%
*“Small”*
**Plant Growth**21%
*“Didnt keep my blueberry bushes alive”*
**Value For Money**11%
*“Too expensive”*
**Pest/Insect Control**5%
*“Had inborn gnats”*
**Grip**5%
*“Whatever type of material that is used doesnt grip the other side of the bag”*
**Advertised Vs Actual Product**4%
*“The picture on the Amazon site looks like a much larger bag”*
**Instructions/User Manual/Troubleshooting**2%
*“To small Directions on Packaging”*
**Smell**2%
*“But the smell is awful”*
**Leak-Proof**2%
*“Closure leaked and clogged”*
**Quality-Overall**2%
*“Terrible:”*
### **Top return reasons **
**Size-Overall**36%
**Value For Money**23%
**Advertised Vs Actual Product**16%
**Plant Growth**7%
**Leak-Proof**6%
**Functionality-Overall**5%
**Ease Of Use**1%
**Instructions/User Manual/Troubleshooting**1%
**Contamination**1%
**Durability**1%
## **Common questions**
- **Is rhododendron fertilizer profitable to sell on Amazon United States?**
- The niche generates $45K/yr across 14 tracked products. 90-day search growth is +118.7%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the rhododendron fertilizer niche?**
- 9 brands and 56 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in rhododendron fertilizer?**
- Top complaints mined from reviews: Size-Overall, Plant Growth, Value For Money. The return rate is 0.3%.
- **When does demand for rhododendron fertilizer peak?**
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 36.9× the quietest.
- **What does it cost to enter the rhododendron fertilizer niche?**
- Listings span $9.94–$24.43; the average listing price is $16.57 (sweet spot $15–$100). The average incumbent carries 1,175 reviews — the moat a new listing must climb.
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