---
title: "Gardenia Fertilizers — $138K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/gardenia-fertilizers"
last_updated: "2026-08-10T19:44:08.225Z"
locale: en
meta:
description: "Niche score 54/100 · $138K/yr market · 62K searches/yr. A concentrated shelf (top 5 take 91% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $138K/yr market · 62K searches/yr. A concentrated shelf (top 5 take 91% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Gardenia Fertilizers — $138K/yr Amazon US Niche (2026) - Flapen"
---
# **gardenia fertilizers**
**Worth a look**
Shows low returns (0.4%), but a concentrated shelf (top 5 take 91% of clicks) keeps it on the watch list.
Market size 30Growth 92Conversion 97Competition 7Returns 98Price range 53Avg price 70Brand share 22Review moat 58Quality gap 35
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.4%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Great****+103.0%**
90-day search growth — must beat 0% to launch
**Avg price**
**Good****$14.41**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****1,163.14**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$9.94–$20.72**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$138K**
$138K/yr · 62K searches
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****91%**
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, gardenia fertilizers is a $138K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 54/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **gardenia fertilizers market data**
- **Units sold / yr**
- **8K–10K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$115K–$144K**
- units × avg price
- **Conversion rate**
- **15.4%**
- **Avg BSR**
- **#374**
- **Page quality**
- **0%**
- **Prime**
- **86%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **90 months**
- **Avg seller age**
- **147 days**
## **Competition & brand share**
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**10**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**91%**
Top 20: 100%
**Open market**
**4%**
- TPS NUTRIENTS50% - GARDENWISE21% - PERFECT PLANTS7% - Leaves and Soul7% - Miracle-Gro5% - SouthernGRO5% - Open — no brand owns it (1 brand, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +103.0% search growth over the last 90 days.
3K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun · busiest ÷ quietest = 14.3×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/gardenia-fertilizers/trend)
## **Top gardenia fertilizers search terms**
- **gardenia fertilizer**38K/yr+105.6%15.0% conv. - **gardenia fertilizer outdoor**4K/yr+71.3%14.9% conv. - **gardinia fertilizer**3K/yr+148.2%16.5% conv. - **gardenia food**3K/yr+127.7%14.1% conv. - **fertilizer for gardenias**3K/yr+86.5%14.0% conv. - **acidic fertilizer for gardenias**3K/yr+168.9%13.5% conv. - **gardenia plant food**3K/yr+60.2%15.0% conv. - **best fertilizer for gardenia**2K/yr+126.9%7.6% conv. - **best fertilizer for gardenias**2K/yr+29.8%6.5% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/gardenia-fertilizers/search-terms)
## **Top gardenia fertilizers 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%$21K30%$41K45%$62K60%$83K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Gardenia Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.83**4.5★663 rev](https://www.amazon.com/dp/B0C6Q5F2HR) [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**Perfect Plants Gardenia Liquid Fertilizer | 8oz. Tailored Bloom Boosting Plant Food | Great for Indoor Outdoor Flowering Plants**PERFECT PLANTS**$15.20**4.4★1,983 rev](https://www.amazon.com/dp/B089H1SP2N) [4**Professional Liquid Gardenia Fertilizer 3-1-2 Concentrate 8 oz Premium Gardenia Plant Food for Indoor and Outdoor Flowering Plants Liquid Fertilizer for Gardenias Made in USA**Leaves and Soul**$15.27**4.4★3,495 rev](https://www.amazon.com/dp/B0BMKP2PBR) [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
[**16oz Gardenia Fertilizer - Makes 96 Gallons of Indoor Plant Food for Gardenia Plants Live Nutrient-Rich Outdoor & Indoor Plant Fertilizer Flower Food for Vibrant Growth and Beautiful Blooms**HiThrive**$12.92**219 rev2y ago](https://www.amazon.com/dp/B0CYXH4J7F) [**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) [**Gardenia Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.83**663 rev3y ago](https://www.amazon.com/dp/B0C6Q5F2HR) [**SouthernGRO Azaleas Camellia Gardenia Fertilizer 04-08-08 4lb Bag for Healthier Plants Greener Foliage Deep Root Growth Premium Quality Lawn Garden Food Plot Nutrition Booster**SouthernGRO**$14.97**227 rev3y ago](https://www.amazon.com/dp/B0C1PBB654) [**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
[**SouthernGRO Azaleas Camellia Gardenia Fertilizer 04-08-08 4lb Bag for Healthier Plants Greener Foliage Deep Root Growth Premium Quality Lawn Garden Food Plot Nutrition Booster**SouthernGRO**$14.97**4.7★**▲ 10%**](https://www.amazon.com/dp/B0C1PBB654) [**Gardenia Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 8 oz**TPS NUTRIENTS**$11.83**4.5★**— 8%**](https://www.amazon.com/dp/B0C6Q5F2HR) [**Perfect Plants Gardenia Liquid Fertilizer | 8oz. Tailored Bloom Boosting Plant Food | Great for Indoor Outdoor Flowering Plants**PERFECT PLANTS**$15.20**4.4★**— 4%**](https://www.amazon.com/dp/B089H1SP2N) [**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★**— 4%**](https://www.amazon.com/dp/B0CQPNVKLG) [**Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.**Miracle-Gro**$20.72**4.8★**— 5%**](https://www.amazon.com/dp/B09ZGVRHT3)
**~~View all trending →~~**
## **What buyers say about gardenia fertilizers**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**57%
*“Healthy New Growth”*
**Quality-Overall**17%
*“Great fertilizer”*
**Ease Of Use**8%
*“Easy to Use”*
**Advertised Vs Actual Product**4%
*“As described”*
**Value For Money**3%
*“Worth the investment”*
**Gifting Purpose**2%
*“GIFT”*
**Instructions/User Manual/Troubleshooting**2%
*“Followed all instructions”*
**Smell**2%
*“They have great white flowers that smell very good”*
**Strength**1%
*“It's really effective”*
**Size-Overall**1%
*“Convenient Package Size”*
### **What buyers complain about **
**Plant Growth**32%
*“I didnt see any results on my plants”*
**Size-Overall**29%
*“The bag is very small”*
**Advertised Vs Actual Product**6%
*“The picture on the Amazon site looks like a much larger bag”*
**Value For Money**5%
*“Lost my money”*
**Grip**5%
*“Whatever type of material that is used doesnt grip the other side of the bag”*
**Pest/Insect Control**5%
*“Had inborn gnats”*
**Durability**2%
*“They started failing on the 2nd day after purchase”*
**Leak-Proof**2%
*“Closure leaked and clogged”*
**Quality-Overall**2%
*“Terrible:”*
**Instructions/User Manual/Troubleshooting**2%
*“To small Directions on Packaging”*
### **Top return reasons **
**Size-Overall**34%
**Advertised Vs Actual Product**14%
**Value For Money**14%
**Leak-Proof**10%
**Functionality-Overall**10%
**Plant Growth**9%
**Moist/Dry**2%
**Contamination**1%
**Eco Friendliness**1%
**Durability**1%
## **Common questions**
- **Is gardenia fertilizers profitable to sell on Amazon United States?**
- The niche generates $138K/yr across 7 tracked products. 90-day search growth is +103.0%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the gardenia fertilizers niche?**
- 7 brands and 10 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in gardenia fertilizers?**
- Top complaints mined from reviews: Plant Growth, Size-Overall, Advertised Vs Actual Product. The return rate is 0.4%.
- **When does demand for gardenia fertilizers peak?**
- Demand peaks in Apr–May–Jun; the busiest month runs 14.3× the quietest.
- **What does it cost to enter the gardenia fertilizers niche?**
- Listings span $9.94–$20.72; the average listing price is $14.41 (sweet spot $15–$100). The average incumbent carries 1,163 reviews — the moat a new listing must climb.
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