---
title: "3-1-2 Fertilizer — $31K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/3-1-2-fertilizer"
last_updated: "2026-08-09T03:50:15.739Z"
locale: en
meta:
description: "Niche score 47/100 · $31K/yr market · 36K searches/yr · $18.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $31K/yr market · 36K searches/yr · $18.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "3-1-2 Fertilizer — $31K/yr Amazon US Niche (2026) - Flapen"
---
# **3-1-2 fertilizer**
**Skip it**
A small market ($31K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 69Conversion 54Competition 30Returns 99Price range 81Avg price 85Brand share 39Review moat 24Quality gap 25
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.92**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$5.52–$58.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+50.8%**
90-day search growth — must beat 0% to launch
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****5,058.88**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$31K**
$31K/yr · 36K searches
According to Flapen's Amazon United States niche tracking, 3-1-2 fertilizer is a $31K/yr Amazon United States market (36K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 47/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **3-1-2 fertilizer market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$38K–$47K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#355**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **83 months**
- **Avg seller age**
- **142 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**52**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**14%**
- Mission Fertilizer45% - Gardenera16% - TPS NUTRIENTS8% - Miracle-Gro6% - Fiddle Leaf Fig Plant Food6% - Dyna-Gro4% - Open — no brand owns it (5 brands, 14%)
## **Demand**
Weekly Amazon search volume, last 10 weeks — +50.8% search growth over the last 90 days.
1K750May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26Jul '26
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/3-1-2-fertilizer/trend)
## **Top 3-1-2 fertilizer search terms**
- **3-1-2 fertilizer**21K/yr+53.0%4.3% conv. - **3-1-2 liquid fertilizer**4K/yr+82.3%6.4% conv. - **3 1 2 fertilizer**4K/yr+61.0%5.9% conv. - **312 fertilizer**4K/yr+54.3%5.9% conv. - **3-1-2 fertilizer indoor plants**3K/yr-33.6%6.6% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/3-1-2-fertilizer/search-terms)
## **Top 3-1-2 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%$3K20%$6K30%$9K40%$12K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Urban Garden Outfitters Mission Fertilizer Grow 3-1-2 Organic Liquid Plant Fertilizer-All-Purpose Fish-Based Nutrient Boost for Healthy Growth Indoor & Outdoor Plants 8 oz Starter Size**Mission Fertilizer**$10.91**4.6★168 rev](https://www.amazon.com/dp/B0D5C1NJNK) [2**GARDENERA Premium 3-1-2 All Purpose Liquid Fertilizer Consentrate for All Indoor Plants & Flowers - Promotes Biomass Growth and Vibrant Leaf Color - 8oz Bottle**Gardenera**$13.10**4.5★2,169 rev](https://www.amazon.com/dp/B0CJ8ZNS1Q) [3**Urban Garden Outfitters Mission Fertilizer Grow 3-1-2 Organic Liquid Plant Fertilizer- All-Purpose Fish-Based Nutrient Boost for Healthy Growth Indoor & Outdoor Plants Quart**Mission Fertilizer**$21.06**4.6★168 rev](https://www.amazon.com/dp/B0775QHDF6) [4**Fiddle Leaf Fig Plant Food 312 Balanced NPK Liquid Fertilizer for Larger Leaves Stronger Roots & Steady Vibrant Growth | Suitable for All Ficus Including Ficus Lyrata | Made in USA | 8 oz**Fiddle Leaf Fig Plant Food**$26.12**4.6★4,196 rev](https://www.amazon.com/dp/B07BG98GQD) [5**Dyna Gro Foliage Pro 32oz 1 Quart Liquid Plant Dyna Gro Fertilizer Bloom Grow**Dyna-Gro**$23.35**4.8★919 rev](https://www.amazon.com/dp/B07CZMS3D8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Miracle-Gro Indoor Plant Food for All Plants 8 fl. oz. (2-Pack)**Miracle-Gro**$11.86**1,678 rev8mo ago](https://www.amazon.com/dp/B0G21YBN37) [**Fiddle Leaf Fig Fertilizer 3-1-2 - Liquid Fertilizer for FLF and Ficus Trees - Quick Results and Fast-Acting Nutrients | Makes up to 192 Cups of Fig Tree Plant Food with Micronutrients**PLANTCO**$19.83**19 rev1y ago](https://www.amazon.com/dp/B0DFR5SJYH) [**GARDENWISE 3-1-2 Liquid Fertilizer Concentrate with Micronutrients - Optimal Fiddle Leaf Fig Plant Food Ideal for Ficus Lyrata & Fig Trees Gold Leaf Enhanced Indoor Plant Fertilizer (8 OZ)**GARDENWISE**$13.99**34 rev2y ago](https://www.amazon.com/dp/B0CTBYDQRJ) [**GARDENERA Premium 3-1-2 All Purpose Liquid Fertilizer Consentrate for All Indoor Plants & Flowers - Promotes Biomass Growth and Vibrant Leaf Color - 8oz Bottle**Gardenera**$13.10**2,169 rev2y ago](https://www.amazon.com/dp/B0CJ8ZNS1Q) [**Gardenera Premium Liquid Fertilizer - 3-1-2 Concentrate for Indoor Plants & Flowers - Organic Plant Food - 8oz**Gardenera**$13.04**2,169 rev2y ago](https://www.amazon.com/dp/B0CJ8ZD1GW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Urban Garden Outfitters Mission Fertilizer Grow 3-1-2 Organic Liquid Plant Fertilizer-All-Purpose Fish-Based Nutrient Boost for Healthy Growth Indoor & Outdoor Gallon**Mission Fertilizer**$58.62**4.6★**▲ 129%**](https://www.amazon.com/dp/B077BJDBW4) [**Miracle-Gro Indoor Plant Food for All Plants 8 fl. oz. (2-Pack)**Miracle-Gro**$11.86**4.7★**▲ 81%**](https://www.amazon.com/dp/B0G21YBN37) [**Neptunes Harvest Fish & Seaweed Liquid Fertilizer (2-3-1) - 18oz Pint - Plant Food for Garden - Indoor & Outdoor Organic Plant Fertilizer for Vegetables Flowers Fruit Trees & Lawns**Neptune's Harvest**$17.99**4.7★**▲ 59%**](https://www.amazon.com/dp/B009HLVIY0) [**Gardenera Premium Liquid Fertilizer - 3-1-2 Concentrate for Indoor Plants & Flowers - Organic Plant Food - 8oz**Gardenera**$13.04**4.5★**▲ 47%**](https://www.amazon.com/dp/B0CJ8ZD1GW) [**Dyna Gro Foliage Pro 32oz 1 Quart Liquid Plant Dyna Gro Fertilizer Bloom Grow**Dyna-Gro**$23.35**4.8★**▲ 37%**](https://www.amazon.com/dp/B07CZMS3D8)
**~~View all trending →~~**
## **What buyers say about 3-1-2 fertilizer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**53%
*“My plants look incredibly healthy”*
**Ease Of Use**12%
*“Easy to Use”*
**Quality-Overall**11%
*“Excellent product”*
**Value For Money**6%
*“Excellent price”*
**Advertised Vs Actual Product**3%
*“As Advertised”*
**Smell**2%
*“doesnt have a strong odor”*
**Durability**2%
*“Have used it for years”*
**Color**1%
*“the colors are sharper”*
**Size-Overall**1%
*“The size is perfect”*
**Strength**1%
*“powerful enough to boost growth”*
### **What buyers complain about **
**Smell**19%
*“doesnt smell strong”*
**Plant Growth**12%
*“not like the miracle grow from back in the day”*
**Leak-Proof**9%
*“the bottle was leaking”*
**Size-Overall**7%
*“Concerned they might not fit”*
**Value For Money**6%
*“while a bit pricey”*
**Durability**4%
*“It is dying now”*
**Ease Of Use**2%
*“And the little scooper is hard to handle”*
**Color**2%
*“I dont notice any color or order”*
**Suitable For Indoor**2%
*“Do not use in indoor plants”*
**Quality-Overall**2%
*“considering the low-quality dirt they are planted in”*
### **Top return reasons **
**Leak-Proof**31%
**Value For Money**18%
**Size-Overall**16%
**Advertised Vs Actual Product**9%
**Functionality-Overall**6%
**Plant Growth**5%
**Smell**3%
**Moist/Dry**2%
**Defective Material/Parts**2%
**Product Condition**2%
## **Common questions**
- **Is 3-1-2 fertilizer profitable to sell on Amazon United States?**
- The niche generates $31K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +50.8%. Flapen's verdict: Skip it (47/100).
- **How competitive is the 3-1-2 fertilizer niche?**
- 11 brands and 52 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in 3-1-2 fertilizer?**
- Top complaints mined from reviews: Smell, Plant Growth, Leak-Proof. The return rate is 0.3%.
- **What does it cost to enter the 3-1-2 fertilizer niche?**
- Listings span $5.52–$58.62; the average listing price is $18.92 (sweet spot $15–$100). The average incumbent carries 5,059 reviews — the moat a new listing must climb.
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