Is 20-20-20 fertilizer profitable to sell on Amazon United States?

The niche generates $324K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +68.9%. Flapen's verdict: Worth a look (58/100).

How competitive is the 20-20-20 fertilizer niche?

11 brands and 53 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in 20-20-20 fertilizer?

Top complaints mined from reviews: Value For Money, Plant Growth, Size-Overall. The return rate is 0.3%.

When does demand for 20-20-20 fertilizer peak?

Demand peaks in Apr–May–Jun; the busiest month runs 7.4× the quietest.

What does it cost to enter the 20-20-20 fertilizer niche?

Listings span $6.41–$77.09; the average listing price is $26.21 (sweet spot $15–$100). The average incumbent carries 3,763 reviews — the moat a new listing must climb.

20-20-20 fertilizer

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$26.21

avg listing price — sweet spot $15–$100

Price range

Great$6.41–$77.09

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

Conversion

Great8.9%

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

Growth

Great+68.9%

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

Market size

Good$324K

$324K/yr · 138K searches

Brand share

Okay83%

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

Competition

Okay66%

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

Review moat

Okay3,762.88

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, 20-20-20 fertilizer is a $324K/yr Amazon United States market (138K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 58/100.

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

20-20-20 fertilizer market data

Units sold / yr: 10K–13K; avg 500–750/product
Revenue / yr: $262K–$328K; units × avg price
Conversion rate: 8.9%
Avg BSR: #547
Page quality: 0%
Prime: 81%
Sponsored: 75%
Out of stock: 0.0%
Avg brand age: 77 months
Avg seller age: 142 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

13%

GARDENWISE33%
Jack's Classic21%
Southern Ag16%
GS Plant Foods8%
Grow More5%
Miracle-Gro4%
Open — no brand owns it (5 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — +68.9% search growth over the last 90 days.

Peak months: Apr, May, Jun · busiest ÷ quietest = 7.4×

Open Trend

Top 20-20-20 fertilizer search terms

20 20 20 fertilizer35K/yr +65.9%8.2% conv.
20-20-20 fertilizer33K/yr +63.3%6.3% conv.
20-20-20 water soluble fertilizer27K/yr +75.8%8.9% conv.
20 20 20 water soluble fertilizer8K/yr +76.5%8.5% conv.
npk fertilizer 20 20 207K/yr +95.8%4.9% conv.
fertilizer 20-20-207K/yr +46.0%6.4% conv.
20-20-20 liquid fertilizer6K/yr +76.3%5.3% conv.
20/20/20 fertilizer4K/yr +86.1%7.8% conv.
20-20-204K/yr +59.9%6.0% conv.
202020 fertilizer3K/yr +162.5%7.5% conv.

All search terms

Top 20-20-20 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.

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

All 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Gardenwise 20-20-20 Water-Soluble Fertilizer Powder for Liquid Plant Food for Indoor & Outdoor Plants Orchids Vegetables Lawns Flowers 20 20 20 Fertilizer (8 oz)

GARDENWISE$9.984.7★729 rev

Jacks Classic All Purpose 20-20-20 Water Soluble Plant Food (1.5lbs)

Jack's Classic$22.244.8★2,295 rev

Southern Ag PowerPak 20-20-20 Water Soluble Fertilizer with micronutrients (5 LB)

Southern Ag$22.734.6★1,326 rev

GS Plant Foods All Purpose Water Soluble 20-20-20 Fertilizer Balanced NPK Plant Food with Micronutrients Contains Kelp (Ascophyllum nodosum) for Indoor & Outdoor Plants Gardens & Turf (3 lbs)

GS Plant Foods$26.454.7★525 rev

Southern Ag PowerPak 20-20-20 Water Soluble Fertilizer with micronutrients (1 LB)

Southern Ag$10.204.6★1,017 rev

Newest

by launch date

Chimpys 20-20-20 Complete Water-Soluble Plant Food - 16oz Professional Grade Fertilizer with Measuring Scoop for Indoor Outdoor Plants Vegetables & Flowers

AgChimp$15.5849 rev

5mo ago

20-20-20 All Purpose Fertilizer Indoor Plant Fertilizer Plant Food for Houseplants Boost Stem & Leaf Growth Improves Root Health Promote Large Flower Blooming & Fruit Growth1LB

FOVGOTAN$10.3221 rev

7mo ago

Pennington Water Soluble All Purpose Plant Food 20-10-20-1.5 lb

Pennington$6.41591 rev

1y ago

Gardenwise 20-20-20 Water-Soluble Fertilizer Powder for Liquid Plant Food for Indoor & Outdoor Plants Orchids Vegetables Lawns Flowers 20 20 20 Fertilizer 1/2 Quart (1 lb)

GARDENWISE$14.36729 rev

2y ago

Gardenwise 20-20-20 Water-Soluble Fertilizer Powder for Liquid Plant Food for Indoor & Outdoor Plants Orchids Vegetables Lawns Flowers 20 20 20 Fertilizer (8 oz)

GARDENWISE$9.98729 rev

2y ago

What buyers say about 20-20-20 fertilizer

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

What buyers love

Plant Growth52%

“Helps with plant growth”

Quality-Overall12%

“The quality feels solid”

Value For Money9%

“worth every penny”

Ease Of Use8%

“Very easy to mix”

Advertised Vs Actual Product6%

“As Advertised”

Durability2%

“it is durable”

Color1%

“the colors are sharper”

Functionality-Overall1%

“Still works”

Size-Overall1%

“The bag is a convenient size for a typical home or small farm”

Strength1%

“Effective”

What buyers complain about

Value For Money15%

“It's not inexpensive”

Plant Growth12%

“have noticed ZERO difference in growth or health”

Size-Overall10%

“Smaller container”

Ease Of Use7%

“And the little scooper is hard to handle”

Hard Feel4%

“1 bag was hard”

Advertised Vs Actual Product4%

“Its so deceiving and very small”

Color3%

“The powder is almost alarmingly blue”

Smell2%

“Normal smell”

Durability2%

“Im still trying to break it up”

Quality-Overall2%

“considering the low-quality dirt they are planted in”

Top return reasons

Size-Overall28%

Value For Money28%

Advertised Vs Actual Product13%

Leak-Proof6%

Functionality-Overall6%

Plant Growth6%

Product Condition1%

Defective Material/Parts1%

Contamination1%

Moist/Dry1%

Common questions

Is 20-20-20 fertilizer profitable to sell on Amazon United States?: The niche generates $324K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +68.9%. Flapen's verdict: Worth a look (58/100).
How competitive is the 20-20-20 fertilizer niche?: 11 brands and 53 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in 20-20-20 fertilizer?: Top complaints mined from reviews: Value For Money, Plant Growth, Size-Overall. The return rate is 0.3%.
When does demand for 20-20-20 fertilizer peak?: Demand peaks in Apr–May–Jun; the busiest month runs 7.4× the quietest.
What does it cost to enter the 20-20-20 fertilizer niche?: Listings span $6.41–$77.09; the average listing price is $26.21 (sweet spot $15–$100). The average incumbent carries 3,763 reviews — the moat a new listing must climb.