sulfur for plants
Worth a lookShows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Incredible$23.30avg listing price — sweet spot $15–$100
Price range
Great$7.97–$71.67cheapest 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
Good532.27avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.4%search→purchase rate — share of searches ending in a sale
Market size
Good$466K$466K/yr · 314K searches
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad72%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
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.Peak months: Apr, May, Jun · busiest ÷ quietest = 2.8×
Top sulfur for plants search terms
- sulfur powder89K/yr
- elemental sulfur for soil35K/yr
- azufre en polvo45K/yr
- elemental sulfur30K/yr
- sulfur for plants24K/yr
- sulphur powder15K/yr
- sulphur powder for chiggers4K/yr
- sulfur powder for plants10K/yr
- garden sulfur6K/yr
- sulphur for plants5K/yr
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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$10.004.7★780 rev
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$22.784.6★869 rev
Elemental Sulfur for Soil - 90% Purity Wettable Sulfur Powder for Plants - Garden Soil Acidifier for Blueberries & Hydrangea Blue (8 oz - 0.5 lb)
GARDENWISE$9.924.6★130 rev
Sulfur Powder 10lb Bag
Earthworks Health$30.274.7★264 rev
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.$27.224.7★542 rev
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$7.9736 rev
Elemental Sulfur for Soil - 90% Purity Wettable Sulfur Powder for Plants - Garden Soil Acidifier for Blueberries & Hydrangea Blue (8 oz - 0.5 lb)
GARDENWISE$9.92130 rev
Elemental Sulfur for Soil - 90% Purity Wettable Sulfur Powder for Plants - Garden Soil Acidifier for Blueberries & Hydrangea Blue (12 oz - 0.7 lb.)
GARDENWISE$15.58130 rev
Sulfur Powder 10lb Bag
Earthworks Health$30.27264 rev
The Andersons Elemental Sulfur pH Down - 40 lbs. Covers 13 300 sqft.
The Andersons$71.6726 rev
Trending
90-day click momentumElemental Sulfur for Soil - 90% Purity Wettable Sulfur Powder for Plants - Garden Soil Acidifier for Blueberries & Hydrangea Blue (12 oz - 0.7 lb.)
GARDENWISE$15.584.6★
Sulphur Dust Fungicide 4-Lbs.
--$23.784.6★
Quick-Release Elemental Sulfur Soil Acidifier - Fertilizer for Hydrangeas Blueberries Citrus Roses Evergreens & More Aluminum Sulfate Alternative (8 oz - 0.5 lb.)
GARDENWISE$7.974.3★
Duda Energy 10 lb (2 x 5 lb Bags) Yellow Sulfur Powder Fertilizer Commercial Grade Elemental
Duda Energy$36.754.7★
Sevin 100547227 Sulfur Dust 1.25 LB White Label
Sevin$10.804.6★
What buyers say about sulfur for plants
What buyers praise and complain about, mined from review topics.What buyers love
“Otherwise no complaints”
“Use Well Before Planting Season”
“Worked as advertised”
“Good products at reasonable prices”
“Easy to order”
“Perfect for reducing ph”
“Effective”
“It also deters insects”
“It worked perfectly”
“Perfect size for my raised bed garden”
What buyers complain about
“Not worth the price”
“There is absolutely no smell to this product”
“garbage”
“The amount was bigger than I thought it would be”
“My blueberry plant hasnt grown so maybe I need to keep waiting”
“Spells terrible as it should”
“I didnt read description carefully”
“Foraging pollinators can also carry contaminated dust back to their hives”
“They take a long time to break down”
“Too Messy”
Top return reasons
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.