13-13-13 fertilizer
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Incredible$29.38avg listing price — sweet spot $15–$100
Price range
Great$13.43–$60.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good711.63avg incumbent reviews — the moat a new listing must climb
Growth
Okay+14.1%90-day search growth — must beat 0% to launch
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$40K$40K/yr · 41K searches
Competition
Bad90%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 13-13-13 fertilizer is a $40K/yr Amazon United States market (41K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Skip it — 39/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
13-13-13 fertilizer market data
- Units sold / yr
- 1K–2K
- avg 100–250/product
- Revenue / yr
- $37K–$44K
- units × avg price
- Conversion rate
- 3.4%
- Avg BSR
- #273
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 88%
- Out of stock
- 4.7%
- Avg brand age
- 85 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
11
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- GARDENWISE75%
- Pendelton Turf Supply12%
- Supply Solutions5%
- Scotts4%
- CountryMax3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +14.1% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 9.0×
Top 13-13-13 fertilizer search terms
- 13-13-13 fertilizer15K/yr
- 13 13 13 fertilizer12K/yr
- triple 13 fertilizer8K/yr
- 13-13-13 fertilizer 50 lb bag6K/yr
Top 13-13-13 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (1/2 Quart)
GARDENWISE$13.434.6★163 rev
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (5 quarts)
GARDENWISE$35.174.6★163 rev
13-13-13 Garden Grower Fertilizer with Pelletized Lime and Micronutrients (6 lbs)
Pendelton Turf Supply$25.924.6★320 rev
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (2 quarts)
GARDENWISE$19.894.6★163 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
Newest
by launch date
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$60.3032 rev
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (1/2 Quart)
GARDENWISE$13.43163 rev
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (5 quarts)
GARDENWISE$35.17163 rev
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (2 quarts)
GARDENWISE$19.89163 rev
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (4 quarts)
GARDENWISE$30.30163 rev
Trending
90-day click momentumCountryMax 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★
Scotts Turf Builder Southern Lawn Food 14.06 lbs.
Scotts$24.714.6★
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (5 quarts)
GARDENWISE$35.174.6★
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (2 quarts)
GARDENWISE$19.894.6★
Gardenwise 13-13-13 Slow Release Granular Fertilizer All Purpose Plant Food 13 13 13 for Outdoor Grass Vegetables Roses Flowers Shrubs Trees. Lawns Gardens Potted Plants (1/2 Quart)
GARDENWISE$13.434.6★
What buyers say about 13-13-13 fertilizer
What buyers praise and complain about, mined from review topics.What buyers love
“It had greatly helped increase of growth in our yard”
“Good for the price”
“The product is as advertised”
“Excellent product”
“Green grass”
“The resealable bag was nice”
“Followed directions exactly”
What buyers complain about
“its hit or miss on these bags of fertilizer”
“Be careful”
“Bag was not weight as promised”
“Bag was not weight as promised”
“My grass was just not very green”
Top return reasons
Common questions
- Is 13-13-13 fertilizer profitable to sell on Amazon United States?
- The niche generates $40K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +14.1%. Flapen's verdict: Skip it (39/100).
- How competitive is the 13-13-13 fertilizer niche?
- 5 brands and 11 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 13-13-13 fertilizer?
- Top complaints mined from reviews: Plant Growth, Contamination, Weight Heavy. The return rate is 0.3%.
- When does demand for 13-13-13 fertilizer peak?
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 9.0× the quietest.
- What does it cost to enter the 13-13-13 fertilizer niche?
- Listings span $13.43–$60.30; the average listing price is $29.38 (sweet spot $15–$100). The average incumbent carries 712 reviews — the moat a new listing must climb.