---
title: "Sulfur for Plants — $466K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/sulfur-for-plants"
last_updated: "2026-08-10T00:40:59.683Z"
locale: en
meta:
description: "Niche score 61/100 · $466K/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 61/100 · $466K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Sulfur for Plants — $466K/yr Amazon US Niche (2026) - Flapen"
---
# **sulfur for plants**
**Worth a look**
Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 58Growth 79Conversion 70Competition 23Returns 98Price range 86Avg price 95Brand share 46Review moat 74Quality gap 24
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$23.30**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.97–$71.67**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Great****+70.0%**
90-day search growth — must beat 0% to launch
**Review moat**
**Good****532.27**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****6.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$466K**
$466K/yr · 314K searches
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****72%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, sulfur for plants is a $466K/yr Amazon United States market (314K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 61/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sulfur for plants market data**
- **Units sold / yr**
- **20K–25K**
- avg 750–1,000/product
- **Revenue / yr**
- **$466K–$583K**
- units × avg price
- **Conversion rate**
- **6.4%**
- **Avg BSR**
- **#842**
- **Page quality**
- **0%**
- **Prime**
- **87%**
- **Sponsored**
- **80%**
- **Out of stock**
- **4.8%**
- **Avg brand age**
- **90 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**11 **▼falling
**Sellers**
**48**
**Top-5 brand share**
**77%**
Top 20: 98%
**Top-5 click share**
**72%**
Top 20: 100%
**Open market**
**17%**
- True Organic28% - GARDENWISE18% - Earth Science14% - Earthworks Health10% - Greenway Biotech, Inc.7% - Duda Energy5% - Open — no brand owns it (5 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +70.0% search growth over the last 90 days.
12K8KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/sulfur-for-plants/trend)
## **Top sulfur for plants search terms**
- **sulfur powder**89K/yr+97.0%3.5% conv. - **elemental sulfur for soil**35K/yr+101.6%11.9% conv. - **azufre en polvo**45K/yr+3.7%2.9% conv. - **elemental sulfur**30K/yr+65.4%8.7% conv. - **sulfur for plants**24K/yr+67.3%7.8% conv. - **sulphur powder**15K/yr+102.9%4.0% conv. - **sulphur powder for chiggers**4K/yr>1,000%3.0% conv. - **sulfur powder for plants**10K/yr+13.0%6.1% conv. - **garden sulfur**6K/yr+103.3%8.8% conv. - **sulphur for plants**5K/yr+88.2%8.3% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/sulfur-for-plants/search-terms)
## **Top sulfur for plants 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%$47K20%$93K30%$140K40%$186K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**True Organic Prilled Sulfur Organic Fertilizer for Better Plant Growth Flowers Vegetables and Herbs Lowers Soil pH 5lb Bag Covers 1 333 Sq. Ft.**True Organic**$10.00**4.7★780 rev](https://www.amazon.com/dp/B08VD9WT1P) [2**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) [3**Elemental Sulfur for Soil - 90% Purity Wettable Sulfur Powder for Plants - Garden Soil Acidifier for Blueberries & Hydrangea Blue (8 oz - 0.5 lb)**GARDENWISE**$9.92**4.6★130 rev](https://www.amazon.com/dp/B0FJ2WK55P) [4**Sulfur Powder 10lb Bag**Earthworks Health**$30.27**4.7★264 rev](https://www.amazon.com/dp/B0DDDN8QXF) [5**Greenway Biotech Inc. Organic Sulfur Powder Fertilizer for Plants- Required to Lower pH & Increased Sulfur Deficiencies- Essential Nutrients for Plant Growth with Macronutrients (3 Pounds)**Greenway Biotech, Inc.**$27.22**4.7★542 rev](https://www.amazon.com/dp/B08P3SXRJR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Quick-Release Elemental Sulfur Soil Acidifier - Fertilizer for Hydrangeas Blueberries Citrus Roses Evergreens & More Aluminum Sulfate Alternative (8 oz - 0.5 lb.)**GARDENWISE**$7.97**36 rev12mo ago](https://www.amazon.com/dp/B0FJ6FZP1M) [**Elemental Sulfur for Soil - 90% Purity Wettable Sulfur Powder for Plants - Garden Soil Acidifier for Blueberries & Hydrangea Blue (8 oz - 0.5 lb)**GARDENWISE**$9.92**130 rev12mo ago](https://www.amazon.com/dp/B0FJ2WK55P) [**Elemental Sulfur for Soil - 90% Purity Wettable Sulfur Powder for Plants - Garden Soil Acidifier for Blueberries & Hydrangea Blue (12 oz - 0.7 lb.)**GARDENWISE**$15.58**130 rev12mo ago](https://www.amazon.com/dp/B0FJ2XZ6J4) [**Sulfur Powder 10lb Bag**Earthworks Health**$30.27**264 rev1y ago](https://www.amazon.com/dp/B0DDDN8QXF) [**The Andersons Elemental Sulfur pH Down - 40 lbs. Covers 13 300 sqft.**The Andersons**$71.67**26 rev2y ago](https://www.amazon.com/dp/B0D7D9WFMS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Elemental Sulfur for Soil - 90% Purity Wettable Sulfur Powder for Plants - Garden Soil Acidifier for Blueberries & Hydrangea Blue (12 oz - 0.7 lb.)**GARDENWISE**$15.58**4.6★**▲ 61%**](https://www.amazon.com/dp/B0FJ2XZ6J4) [**Sulphur Dust Fungicide 4-Lbs.**--**$23.78**4.6★**▲ 48%**](https://www.amazon.com/dp/B011FKRXH6) [**Quick-Release Elemental Sulfur Soil Acidifier - Fertilizer for Hydrangeas Blueberries Citrus Roses Evergreens & More Aluminum Sulfate Alternative (8 oz - 0.5 lb.)**GARDENWISE**$7.97**4.3★**▲ 45%**](https://www.amazon.com/dp/B0FJ6FZP1M) [**Duda Energy 10 lb (2 x 5 lb Bags) Yellow Sulfur Powder Fertilizer Commercial Grade Elemental**Duda Energy**$36.75**4.7★**▲ 29%**](https://www.amazon.com/dp/B0C89LVH3M) [**Sevin 100547227 Sulfur Dust 1.25 LB White Label**Sevin**$10.80**4.6★**▲ 26%**](https://www.amazon.com/dp/B095J3K6PQ)
**~~View all trending →~~**
## **What buyers say about sulfur for plants**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**28%
*“Otherwise no complaints”*
**Plant Growth**23%
*“Use Well Before Planting Season”*
**Advertised Vs Actual Product**13%
*“Worked as advertised”*
**Value For Money**9%
*“Good products at reasonable prices”*
**Ease Of Use**8%
*“Easy to order”*
**Pureness**3%
*“Perfect for reducing ph”*
**Strength**3%
*“Effective”*
**Pest/Insect Control**2%
*“It also deters insects”*
**Efficiency**1%
*“It worked perfectly”*
**Size-Overall**1%
*“Perfect size for my raised bed garden”*
### **What buyers complain about **
**Value For Money**13%
*“Not worth the price”*
**Smell**8%
*“There is absolutely no smell to this product”*
**Quality-Overall**8%
*“garbage”*
**Size-Overall**8%
*“The amount was bigger than I thought it would be”*
**Plant Growth**8%
*“My blueberry plant hasnt grown so maybe I need to keep waiting”*
**Functionality-Overall**7%
*“Spells terrible as it should”*
**Advertised Vs Actual Product**4%
*“I didnt read description carefully”*
**Contamination**4%
*“Foraging pollinators can also carry contaminated dust back to their hives”*
**Durability**4%
*“They take a long time to break down”*
**Ease Of Cleaning**4%
*“Too Messy”*
### **Top return reasons **
**Advertised Vs Actual Product**24%
**Functionality-Overall**19%
**Value For Money**15%
**Size-Overall**13%
**Leak-Proof**10%
**Defective Material/Parts**3%
**Measurement/Reading Accuracy**2%
**Plant Growth**2%
**Contamination**2%
**Smell**2%
## **Common questions**
- **Is sulfur for plants profitable to sell on Amazon United States?**
- The niche generates $466K/yr across 15 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +70.0%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the sulfur for plants niche?**
- 11 brands and 48 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in sulfur for plants?**
- Top complaints mined from reviews: Value For Money, Smell, Quality-Overall. The return rate is 0.4%.
- **When does demand for sulfur for plants peak?**
- Demand peaks in Apr–May–Jun; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the sulfur for plants niche?**
- Listings span $7.97–$71.67; the average listing price is $23.30 (sweet spot $15–$100). The average incumbent carries 532 reviews — the moat a new listing must climb.
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