Is potash profitable to sell on Amazon United States?

The niche generates $367K/yr across 19 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +93.9%. Flapen's verdict: Worth a look (65/100).

How competitive is the potash niche?

14 brands and 31 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in potash?

Top complaints mined from reviews: Plant Growth, Functionality-Overall, Leak-Proof. The return rate is 0.3%.

When does demand for potash peak?

Demand peaks in Apr–May–Jun–Jul; the busiest month runs 4.0× the quietest.

What does it cost to enter the potash niche?

Listings span $9.78–$85.27; the average listing price is $25.24 (sweet spot $15–$100). The average incumbent carries 429 reviews — the moat a new listing must climb.

potash

Worth a look

Shows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Avg price

Incredible$25.24

avg listing price — sweet spot $15–$100

Growth

Great+93.9%

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

Price range

Great$9.78–$85.27

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

Conversion

Great8.3%

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

Review moat

Great429.05

avg incumbent reviews — the moat a new listing must climb

Market size

Good$367K

$367K/yr · 176K searches

Brand share

Okay80%

top-5 brand share — brands hold most of the demand

Competition

Okay63%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, potash is a $367K/yr Amazon United States market (176K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 65/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

potash market data

Units sold / yr: 13K–15K; avg 500–750/product
Revenue / yr: $316K–$379K; units × avg price
Conversion rate: 8.3%
Avg BSR: #810
Page quality: 0%
Prime: 79%
Sponsored: 68%
Out of stock: 4.5%
Avg brand age: 70 months
Avg seller age: 150 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 flat

Sellers

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

16%

Cz Garden Supply30%
TPS NUTRIENTS19%
Flagline12%
The Grow Co12%
CountryMax8%
Supply Solutions4%
Open — no brand owns it (8 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +93.9% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 4.0×

Open Trend

Top potash search terms

potassium fertilizer31K/yr +102.7%5.5% conv.
potash33K/yr +67.8%6.5% conv.
potash fertilizer28K/yr +98.3%7.2% conv.
high potassium fertilizer23K/yr +177.2%4.3% conv.
potassium for plants14K/yr +85.1%6.0% conv.
potash fertilizer 0-0-6010K/yr +72.9%9.1% conv.
potassium fertilizer for plants8K/yr +224.5%6.2% conv.
organic potassium fertilizer6K/yr +160.1%3.4% conv.
muriate of potash6K/yr +47.7%9.1% conv.
0-0-60 fertilizer4K/yr +51.9%6.2% conv.

All search terms

Top potash 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.

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

All 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Muriate of Potash 0-0-60 Fertilizer Made in USA - MOP Potassium Plant Food for Indoor/Outdoor Plants Flower Gardens Fruit and Vegetable Gardens Holistic Herbs Trees and Green Lawns!

Cz Garden Supply$17.314.7★923 rev

Espoma Potash 0-0-60 Potassium Fertilizer. Use for All Plants requiring Potash Supplement Including Trees Shrubs Vegetables and Flowers. Granular for Easy Application. 6 lb. Bag

Flagline$20.964.7★456 rev

Muriate of Potash 0-0-60 Fertilizer High Potassium Fertilizer for Plants Ideal Plant Food & Potash Fertilizer for Plants - Boosts Growth of Turf Shrubs Trees Flowers Fruits & Vegetables 5 lb

The Grow Co$17.484.5★256 rev

TPS NUTRIENTS Potassium Fertilizer for Plants Boosts Growth Budding and Flowering Liquid Plant Food 8 oz (250mL)

TPS NUTRIENTS$11.884.5★171 rev

CountryMax Potash Fertilizer 50 lb High Potassium Plant Food for Strong Roots Improved Yield & Plant Health for Lawn & Garden

CountryMax$57.914.4★13 rev

Newest

by launch date

CountryMax Potash Fertilizer 50 lb High Potassium Plant Food for Strong Roots Improved Yield & Plant Health for Lawn & Garden

CountryMax$57.9113 rev

3mo ago

CountryMax Potash Fertilizer 10 lb High Potassium Plant Food for Strong Roots Improved Yield & Plant Health for Lawn & Garden

CountryMax$26.4313 rev

3mo ago

Potassium Sulfate 0-0-50 for Vegetable Gardens Essential Nutrient for Plant Growth Soil Enrichment Crop Yield Optimization (1 lb)

HOLEVINT$10.0616 rev

7mo ago

1lb Potash Fertilizer 0-0-50 Sulfate of Potash Indoor Plant Fertilizer Potassium Fertilizer Plant Food for Houseplants Fruit Flower Tomato Promote Large Flower Blooming & Fruit Growth

FOVGOTAN$10.1719 rev

7mo ago

Phosphorus & Potassium Fertilizer Liquid Bloom Booster for Strong Roots Better Blooms & Improved Fruit Development 8 oz

TPS NUTRIENTS$11.85172 rev

1y ago

What buyers say about potash

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

What buyers love

Plant Growth45%

“It's great for growth”

Quality-Overall14%

“Good product, as described”

Ease Of Use10%

“Easy to use”

Value For Money9%

“Good price and easy to use”

Advertised Vs Actual Product5%

“Item as described”

Strength3%

“It has been very effective”

Spray/Flow2%

“It sprays fine out of a foliage misting bottle”

Color2%

“color throughout the growing season”

Durability1%

“It is durable”

Smell1%

“It mixes well and doesnt stink”

What buyers complain about

Plant Growth28%

“Not one of my plants had a noticable difference before”

Functionality-Overall8%

“Tried low, medium, and high pressure and it just would flow”

Leak-Proof8%

“about 1/3 of the liquid had dripped into the bag”

Size-Overall7%

“The size of the can is small as to shown in the picture”

Value For Money6%

“price a bit high”

Strength5%

“To strong it will kill anything”

Instructions/User Manual/Troubleshooting4%

“Dont like fertilizers with vague or complicated instructions”

Thickness4%

“plastic around fertilizer was very thin”

Contamination2%

“Lost two plants”

Advertised Vs Actual Product2%

“The liquid is not concentrated as mentioned in the description and reviews”

Top return reasons

Leak-Proof25%

Advertised Vs Actual Product18%

Size-Overall13%

Value For Money10%

Plant Growth9%

Functionality-Overall6%

Contamination4%

Defective Material/Parts2%

Eco Friendliness2%

Smell2%

Common questions

Is potash profitable to sell on Amazon United States?: The niche generates $367K/yr across 19 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +93.9%. Flapen's verdict: Worth a look (65/100).
How competitive is the potash niche?: 14 brands and 31 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in potash?: Top complaints mined from reviews: Plant Growth, Functionality-Overall, Leak-Proof. The return rate is 0.3%.
When does demand for potash peak?: Demand peaks in Apr–May–Jun–Jul; the busiest month runs 4.0× the quietest.
What does it cost to enter the potash niche?: Listings span $9.78–$85.27; the average listing price is $25.24 (sweet spot $15–$100). The average incumbent carries 429 reviews — the moat a new listing must climb.