16 16 16 fertilizer
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Incredible$32.13avg listing price — sweet spot $15–$100
Price range
Great$14.32–$73.71cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great236.67avg incumbent reviews — the moat a new listing must climb
Growth
Good+42.2%90-day search growth — must beat 0% to launch
Conversion
Good4.6%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad85%top-5 click share — a locked-up shelf
Market size
Bad$46K$46K/yr · 31K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 16 16 16 fertilizer is a $46K/yr Amazon United States market (31K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Skip it — 46/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
16 16 16 fertilizer market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $48K–$64K
- units × avg price
- Conversion rate
- 4.6%
- Avg BSR
- #427
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 89%
- Out of stock
- 0.0%
- Avg brand age
- 81 months
- Avg seller age
- 150 days
Competition & brand share
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
14
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
85%
Top 20: 100%
Open market
0%
- Supply Solutions57%
- Knox Fertilizer22%
- GARDENWISE17%
- Grow More4%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +42.2% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 4.0×
Top 16 16 16 fertilizer search terms
- 16-16-16 fertilizer11K/yr
- 16 16 16 fertilizer11K/yr
- triple 16 fertilizer5K/yr
- 16-16-16 all purpose fertilizer4K/yr
Top 16 16 16 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.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Supply Solutions 16-16-16 Complete Lawn & Garden All Purpose Granular Fertilizer - The Ultimate Plant Food for Lush Greenery & Vibrant Blooms - for All Plants Vegetables Fruits and Berries - 5lbs
Supply Solutions$25.334.5★373 rev
20lb 16-16-16 Fertilizer
Knox Fertilizer$40.154.6★42 rev
Supply Solutions 16-16-16 Complete Lawn & Garden All Purpose Granular Fertilizer - The Ultimate Plant Food for Lush Greenery & Vibrant Blooms - for All Plants Vegetables Fruits and Berries - 10lbs
Supply Solutions$32.864.5★373 rev
GARDENWISE 16-16-16 All Purpose Professional Fertilizer - Lawn Flower Tree Shrub & Vegetable Garden Fertilizer (1/2 Quart)
GARDENWISE$14.324.5★62 rev
GARDENWISE 16-16-16 All Purpose Professional Fertilizer - Lawn Flower Tree Shrub & Vegetable Garden Fertilizer (2 Quarts)
GARDENWISE$19.734.5★62 rev
Newest
by launch dateGARDENWISE 16-16-16 All Purpose Professional Fertilizer - Lawn Flower Tree Shrub & Vegetable Garden Fertilizer (1/2 Quart)
GARDENWISE$14.3262 rev
GARDENWISE 16-16-16 All Purpose Professional Fertilizer - Lawn Flower Tree Shrub & Vegetable Garden Fertilizer (2 Quarts)
GARDENWISE$19.7362 rev
GARDENWISE 16-16-16 All Purpose Professional Fertilizer - Lawn Flower Tree Shrub & Vegetable Garden Fertilizer (1 Quart)
GARDENWISE$16.7462 rev
Supply Solutions 16-16-16 Complete Lawn & Garden All Purpose Granular Fertilizer - The Ultimate Plant Food for Lush Greenery & Vibrant Blooms - for All Plants Vegetables Fruits and Berries - 25lbs
Supply Solutions$49.87373 rev
Supply Solutions 16-16-16 Complete Lawn & Garden All Purpose Granular Fertilizer - The Ultimate Plant Food for Lush Greenery & Vibrant Blooms - for All Plants Vegetables Fruits and Berries - 50lbs
Supply Solutions$73.71373 rev
Trending
90-day click momentumGARDENWISE 16-16-16 All Purpose Professional Fertilizer - Lawn Flower Tree Shrub & Vegetable Garden Fertilizer (2 Quarts)
GARDENWISE$19.734.5★
GARDENWISE 16-16-16 All Purpose Professional Fertilizer - Lawn Flower Tree Shrub & Vegetable Garden Fertilizer (1 Quart)
GARDENWISE$16.744.5★
20lb 16-16-16 Fertilizer
Knox Fertilizer$40.154.6★
Supply Solutions 16-16-16 Complete Lawn & Garden All Purpose Granular Fertilizer - The Ultimate Plant Food for Lush Greenery & Vibrant Blooms - for All Plants Vegetables Fruits and Berries - 50lbs
Supply Solutions$73.714.5★
GARDENWISE 16-16-16 All Purpose Professional Fertilizer - Lawn Flower Tree Shrub & Vegetable Garden Fertilizer (1/2 Quart)
GARDENWISE$14.324.5★
What buyers say about 16 16 16 fertilizer
What buyers praise and complain about, mined from review topics.What buyers love
“Plants have all been very happy since Ive been giving them this”
“Great product”
“Good price”
“is everything that I expected it to be”
“The resealable bag was nice”
“a lush green”
“Follow instructions and you will have happy trees”
What buyers complain about
“Too expensive”
“Bag was not weight as promised”
“Bag was not weight as promised”
Top return reasons
Common questions
- Is 16 16 16 fertilizer profitable to sell on Amazon United States?
- The niche generates $46K/yr across 9 tracked products. 90-day search growth is +42.2%. Flapen's verdict: Skip it (46/100).
- How competitive is the 16 16 16 fertilizer niche?
- 4 brands and 14 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 16 16 16 fertilizer?
- Top complaints mined from reviews: Value For Money, Advertised Vs Actual Product, Weight Heavy. The return rate is 0.4%.
- When does demand for 16 16 16 fertilizer peak?
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 4.0× the quietest.
- What does it cost to enter the 16 16 16 fertilizer niche?
- Listings span $14.32–$73.71; the average listing price is $32.13 (sweet spot $15–$100). The average incumbent carries 237 reviews — the moat a new listing must climb.