---
title: "Organic Liquid Fertilizer — $998K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/organic-liquid-fertilizer"
last_updated: "2026-08-11T14:03:08.482Z"
locale: en
meta:
  description: "Niche score 70/100 · $998K/yr market · 353K searches/yr · $24.37 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 70/100 · $998K/yr market · 353K searches/yr · $24.37 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Organic Liquid Fertilizer — $998K/yr Amazon US Niche (2026) - Flapen"
---

# **organic liquid fertilizer**

**Launch it**

A $998K/yr market growing +115.0% this quarter with returns at 0.3% — clears our launch bar.

Market size 78Growth 95Conversion 93Competition 75Returns 99Price range 79Avg price 95Brand share 17Review moat 26Quality gap 23

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Growth**

**Incredible****+115.0%**

90-day search growth — must beat 0% to launch

**Avg price**

**Incredible****$24.37**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****11.6%**

search→purchase rate — share of searches ending in a sale

**Price range**

**Great****$5.52–$53.46**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Market size**

**Great****$998K**

$998K/yr · 353K searches

**Competition**

**Great****40%**

top-5 click share — an open shelf

**Review moat**

**Okay****3,937.61**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")

According to Flapen's Amazon United States niche tracking, organic liquid fertilizer is a $998K/yr Amazon United States market (353K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Mar–Apr–May–Jun–Jul. Verdict: Launch it — 70/100.

Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **organic liquid fertilizer market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**30K–40K**</dd><dd>avg 750–1,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$731K–$975K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**11.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#194**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**97%**</dd>

<dt>**Out of stock**</dt><dd>**1.6%**</dd>

<dt>**Avg brand age**</dt><dd>**80 months**</dd>

<dt>**Avg seller age**</dt><dd>**143 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.

**Brands**

**11 **▼falling

**Sellers**

**135**

**Top-5 brand share**

**93%**

Top 20: 100%

**Top-5 click share**

**40%**

Top 20: 82%

**Open market**

**5%**

- Neptune's Harvest47% - FoxFarm20% - Miracle-Gro18% - Farmer's Secret5% - True Organic4% - GS Plant Foods2% - Open — no brand owns it (5 brands, 5%)

## **Demand & seasonality**

Weekly Amazon search volume, last 103 weeks — +115.0% search growth over the last 90 days.

13K8KSpike '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Mar, Apr, May, Jun, Jul · busiest ÷ quietest = 7.3×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/organic-liquid-fertilizer/trend)

## **Top organic liquid fertilizer search terms**

- **neptunes harvest**51K/yr+73.5%9.3% conv. - **neptunes harvest fish and seaweed fertilizer**36K/yr+160.8%16.5% conv. - **liquid fertilizer for vegetable garden**32K/yr+207.9%6.6% conv. - **organic liquid fertilizer**37K/yr+52.9%3.8% conv. - **fox farm grow big**30K/yr+65.4%11.6% conv. - **neptune harvest fertilizer**20K/yr+81.0%9.4% conv. - **miracle grow liquid plant food**17K/yr+138.5%12.7% conv. - **neptunes harvest tomato and veg fertilizer**9K/yr+482.7%15.5% conv. - **grow big fox farm**19K/yr+58.8%10.2% conv. - **organic liquid fertilizer for vegetables**9K/yr+363.6%4.9% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/organic-liquid-fertilizer/search-terms)

## **Top organic liquid 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%4%$40K8%$80K12%$120K16%$160K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Neptunes Harvest Fish & Seaweed Liquid Fertilizer (2-3-1) - 36oz Bottle - Plant Food for Garden - Indoor & Outdoor Organic Plant Fertilizer for Vegetables Flowers Fruit Trees & Lawns](https://m.media-amazon.com/images/I/41bQvA5-X3L.jpg)**Neptunes Harvest Fish & Seaweed Liquid Fertilizer (2-3-1) - 36oz Bottle - Plant Food for Garden - Indoor & Outdoor Organic Plant Fertilizer for Vegetables Flowers Fruit Trees & Lawns**Neptune's Harvest**$24.10**4.7★7,144 rev](https://www.amazon.com/dp/B000OWBUSA) [2![FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth Fast Nutrient Uptake for Roses Tomatoes & Veggies - Quart Size Concentrate](https://m.media-amazon.com/images/I/417-78pXpAL.jpg)**FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth Fast Nutrient Uptake for Roses Tomatoes & Veggies - Quart Size Concentrate**FoxFarm**$29.93**4.8★7,702 rev](https://www.amazon.com/dp/B0049XEG2M) [3![Neptunes Harvest Organic Tomato & Vegetable Plant Fertilizer (2-4-2) - Liquid Plant Food w/Fresh Fish Seaweed Molasses Yucca Extract & Humic Acids - for Vegetable Garden (Quart (Single))](https://m.media-amazon.com/images/I/41z01H1uo8L.jpg)**Neptunes Harvest Organic Tomato & Vegetable Plant Fertilizer (2-4-2) - Liquid Plant Food w/Fresh Fish Seaweed Molasses Yucca Extract & Humic Acids - for Vegetable Garden (Quart (Single))**Neptune's Harvest**$26.36**4.7★3,329 rev](https://www.amazon.com/dp/B01CI33HJ2) [4![FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth Fast Nutrient Uptake for Roses Tomatoes & Veggies - Pint Size Concentrate](https://m.media-amazon.com/images/I/41HDDgMbPlL.jpg)**FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth Fast Nutrient Uptake for Roses Tomatoes & Veggies - Pint Size Concentrate**FoxFarm**$19.04**4.8★7,702 rev](https://www.amazon.com/dp/B00BYG6TIG) [5![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](https://m.media-amazon.com/images/I/41N0f1B5TAL.jpg)**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★7,144 rev](https://www.amazon.com/dp/B009HLVIY0)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Miracle-Gro Organic Plant Food 32 fl. oz.](https://m.media-amazon.com/images/I/41fsk4fwXOL.jpg)**Miracle-Gro Organic Plant Food 32 fl. oz.**Miracle-Gro**$7.44**549 rev1y ago](https://www.amazon.com/dp/B0DNR1LR1W) [![Organic All-Purpose Liquid Plant Food - Liquid Fertilizer Alternative for Vegetable and Herb Gardens & Flower Beds | Infused with Broad Spectrum of Soil Enriching Microbes (32oz Makes 32 Gallons)](https://m.media-amazon.com/images/I/41yfF04wmpL.jpg)**Organic All-Purpose Liquid Plant Food - Liquid Fertilizer Alternative for Vegetable and Herb Gardens & Flower Beds | Infused with Broad Spectrum of Soil Enriching Microbes (32oz Makes 32 Gallons)**FOOP**$23.14**424 rev2y ago](https://www.amazon.com/dp/B0CXQ89CGG) [![Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (32oz)](https://m.media-amazon.com/images/I/41EZ-YEuUyL.jpg)**Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (32oz)**Farmer's Secret**$29.80**3,186 rev4y ago](https://www.amazon.com/dp/B09JJ2C8RS) [![Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (16oz)](https://m.media-amazon.com/images/I/41BImayWKRL.jpg)**Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (16oz)**Farmer's Secret**$20.39**3,186 rev4y ago](https://www.amazon.com/dp/B09JGR7FXG) [![Neptunes Harvest Organic Tomato & Vegetable Plant Fertilizer (2-4-2) - Liquid Plant Food w/Fresh Fish Seaweed Molasses Yucca Extract & Humic Acids - for Vegetable Garden (Pint)](https://m.media-amazon.com/images/I/41J5FZLmQtL.jpg)**Neptunes Harvest Organic Tomato & Vegetable Plant Fertilizer (2-4-2) - Liquid Plant Food w/Fresh Fish Seaweed Molasses Yucca Extract & Humic Acids - for Vegetable Garden (Pint)**Neptune's Harvest**$18.33**3,329 rev5y ago](https://www.amazon.com/dp/B08YX18FNY)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Miracle-Gro Liquid All Purpose Plant Food Concentrate 32 oz.](https://m.media-amazon.com/images/I/41-tUJhY8QL.jpg)**Miracle-Gro Liquid All Purpose Plant Food Concentrate 32 oz.**Miracle-Gro**$7.98**4.5★**▲ 77%**](https://www.amazon.com/dp/B000RNENU8) [![Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (16oz)](https://m.media-amazon.com/images/I/41BImayWKRL.jpg)**Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (16oz)**Farmer's Secret**$20.39**4.6★**▲ 50%**](https://www.amazon.com/dp/B09JGR7FXG) [![Neptunes Harvest Organic Crab & Lobster Shell Multi-Purpose Plant Food (5-3-0) - 4 LB Resealable Bag - Rich in Nutrients Soil Fertilizer - Plant Food for Lawns Gardens and Vegetables](https://m.media-amazon.com/images/I/41QUEKbk9RL.jpg)**Neptunes Harvest Organic Crab & Lobster Shell Multi-Purpose Plant Food (5-3-0) - 4 LB Resealable Bag - Rich in Nutrients Soil Fertilizer - Plant Food for Lawns Gardens and Vegetables**Neptune's Harvest**$23.45**4.8★**▲ 39%**](https://www.amazon.com/dp/B006GK5ON6) [![Miracle-Gro LiquaFeed All Purpose Plant Food Advance Starter Kit](https://m.media-amazon.com/images/I/51yc6YMfiHL.jpg)**Miracle-Gro LiquaFeed All Purpose Plant Food Advance Starter Kit**Miracle-Gro**$17.62**4.5★**▲ 35%**](https://www.amazon.com/dp/B00D8QWUCY) [![Miracle-Gro LiquaFeed Tomato Fruits and Vegetables Plant Food for In-Ground and Container Plants 16 oz. 2-Pack](https://m.media-amazon.com/images/I/41pafvf1LBL.jpg)**Miracle-Gro LiquaFeed Tomato Fruits and Vegetables Plant Food for In-Ground and Container Plants 16 oz. 2-Pack**Miracle-Gro**$12.16**4.7★**▲ 31%**](https://www.amazon.com/dp/B006MVLAKK)

**~~View all trending →~~**

## **What buyers say about organic liquid fertilizer**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Plant Growth**51%

*“Helps plants grow”*

**Ease Of Use**10%

*“Easy to Use”*

**Quality-Overall**9%

*“Great and consistent product”*

**Value For Money**6%

*“Good price”*

**Advertised Vs Actual Product**5%

*“exactly as advertised”*

**Smell**4%

*“Smells very natural”*

**Strength**2%

*“You add this to any plant and it will really grow your plants healthy and strong”*

**Color**1%

*“And helps my any color”*

**Instructions/User Manual/Troubleshooting**1%

*“Easy instructions”*

**Size-Overall**1%

*“The size is perfect”*

### **What buyers complain about **

**Smell**20%

*“Horrible smell”*

**Leak-Proof**13%

*“Arrived leaking”*

**Plant Growth**10%

*“I have not noticed any new growth”*

**Value For Money**7%

*“little pricey”*

**Size-Overall**5%

*“they were impossible to fit”*

**Durability**3%

*“It fell apart too many times”*

**Advertised Vs Actual Product**2%

*“this product ad is deceptive”*

**Contamination**2%

*“Can burn plants if not diluted enough, be cautious, more is not better”*

**Quality-Overall**2%

*“Garbage”*

**Hard Feel**2%

*“Hard as a Rock”*

### **Top return reasons **

**Leak-Proof**45%

**Advertised Vs Actual Product**9%

**Size-Overall**8%

**Value For Money**8%

**Smell**6%

**Functionality-Overall**5%

**Plant Growth**3%

**Defective Material/Parts**2%

**Product Condition**2%

**Moist/Dry**1%

## **Common questions**

<dl>

<dt>**Is organic liquid fertilizer profitable to sell on Amazon United States?**</dt><dd>The niche generates $998K/yr across 38 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +115.0%. Flapen's verdict: Launch it (70/100).</dd>

<dt>**How competitive is the organic liquid fertilizer niche?**</dt><dd>11 brands and 135 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 93% of demand.</dd>

<dt>**What do buyers complain about in organic liquid fertilizer?**</dt><dd>Top complaints mined from reviews: Smell, Leak-Proof, Plant Growth. The return rate is 0.3%.</dd>

<dt>**When does demand for organic liquid fertilizer peak?**</dt><dd>Demand peaks in Mar–Apr–May–Jun–Jul; the busiest month runs 7.3× the quietest.</dd>

<dt>**What does it cost to enter the organic liquid fertilizer niche?**</dt><dd>Listings span $5.52–$53.46; the average listing price is $24.37 (sweet spot $15–$100). The average incumbent carries 3,938 reviews — the moat a new listing must climb.</dd>

</dl>

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