15-15-15 fertilizer
Skip itA concentrated shelf (top 5 take 88% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Incredible$33.01avg listing price — sweet spot $15–$100
Price range
Great$10.80–$89.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great408.8avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.9%search→purchase rate — share of searches ending in a sale
Growth
Good+28.8%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Bad94%top-5 brand share — brand-locked demand
Market size
Bad$49K$49K/yr · 30K searches
Competition
Bad88%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, 15-15-15 fertilizer is a $49K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 47/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
15-15-15 fertilizer market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $25K–$33K
- units × avg price
- Conversion rate
- 4.9%
- Avg BSR
- #1,625
- Page quality
- 0%
- Prime
- 50%
- Sponsored
- 80%
- Out of stock
- 5.3%
- Avg brand age
- 87 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
16
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
88%
Top 20: 100%
Open market
4%
- CountryMax47%
- USEDGDIG33%
- Supply Solutions8%
- Knox Fertilizer3%
- EZ-gro WE MAKE GROWING EASY2%
- Sansar Agro2%
- Open — no brand owns it (2 brands, 4%)
Demand
Weekly Amazon search volume, last 10 weeks — +28.8% search growth over the last 90 days.Top 15-15-15 fertilizer search terms
- 15-15-15 fertilizer11K/yr
- 15 15 15 fertilizer10K/yr
- triple 15 fertilizer6K/yr
- fertilizer 15-15-153K/yr
Top 15-15-15 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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1LB)
USEDGDIG$10.804.3★15 rev
CountryMax 15-15-15 All Purpose Fertilizer 50 lb Bag Balanced Plant Food for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Growth
CountryMax$60.304.7★32 rev
CountryMax 15-15-15 All Purpose Fertilizer 10 lb Bag Balanced Nutrition for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Consistent Growth
CountryMax$28.394.7★32 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 - 5lbs
Supply Solutions$25.334.5★373 rev
15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1.9LB)
USEDGDIG$18.754.3★15 rev
Newest
by launch dateCountryMax 15-15-15 All Purpose Fertilizer 50 lb Bag Balanced Plant Food for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Growth
CountryMax$60.3032 rev
CountryMax 15-15-15 All Purpose Fertilizer 10 lb Bag Balanced Nutrition for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Consistent Growth
CountryMax$28.3932 rev
15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1LB)
USEDGDIG$10.8015 rev
15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1.9LB)
USEDGDIG$18.7515 rev
Sansar Agro NPK 15:15:15 Fertilizer For Plants. (200 gm)
Sansar Agro$17.4834 rev
Trending
90-day click momentum15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1.9LB)
USEDGDIG$18.754.3★
15-15-15 All Purpose Granular Garden Fertilizer for Flowers and Vegetable Beds Indoor/Outdoor Plants Fruit Trees and Lawns Promotes Fruit Growth and Big Blooms(1LB)
USEDGDIG$10.804.3★
Farmers Secret Fruit & Bloom Booster Fertilizer - Super Concentrated - Boosts Flowering and Yield on All Varieties of Fruits Vegetables and Flowers (16oz)
Farmer's Secret$20.394.6★
CountryMax 15-15-15 All Purpose Fertilizer 10 lb Bag Balanced Nutrition for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Consistent Growth
CountryMax$28.394.7★
CountryMax 15-15-15 All Purpose Fertilizer 50 lb Bag Balanced Plant Food for Flowers & Vegetable Beds Raised Gardens Lawns & Grass Supports Soil Health and Growth
CountryMax$60.304.7★
What buyers say about 15-15-15 fertilizer
What buyers praise and complain about, mined from review topics.What buyers love
“It really boosts the growth of my flowers and my veggies”
“Great value”
“Excellent product”
“Works as advertised”
“deep in colors”
“Easy to use”
“Follow directions on the package”
“Extra potent mixture”
“The resealable bag was nice”
“Durable”
What buyers complain about
“not a good value”
“don't like to use something that might be detrimental to the plants”
“Wish this came in a larger container”
“THERE ARE NO INSTRUCTIONS ON THE USE of this product”
“Bag was not weight as promised”
“I was having issues with yellowing new leaves”
“Bag was not weight as promised”
“Doesn't have a strong smell”
“Weak cap”
“spill it all for nothing”
Top return reasons
Common questions
- Is 15-15-15 fertilizer profitable to sell on Amazon United States?
- The niche generates $49K/yr across 10 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +28.8%. Flapen's verdict: Skip it (47/100).
- How competitive is the 15-15-15 fertilizer niche?
- 8 brands and 16 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in 15-15-15 fertilizer?
- Top complaints mined from reviews: Value For Money, Plant Growth, Size-Overall. The return rate is 0.3%.
- What does it cost to enter the 15-15-15 fertilizer niche?
- Listings span $10.80–$89.84; the average listing price is $33.01 (sweet spot $15–$100). The average incumbent carries 409 reviews — the moat a new listing must climb.