3-1-2 fertilizer
Skip itA small market ($31K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Great$18.92avg listing price — sweet spot $15–$100
Price range
Great$5.52–$58.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+50.8%90-day search growth — must beat 0% to launch
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad5,058.88avg incumbent reviews — the moat a new listing must climb
Market size
Bad$31K$31K/yr · 36K searches
According to Flapen's Amazon United States niche tracking, 3-1-2 fertilizer is a $31K/yr Amazon United States market (36K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 47/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
3-1-2 fertilizer market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $38K–$47K
- units × avg price
- Conversion rate
- 4.5%
- Avg BSR
- #355
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 76%
- Out of stock
- 0.0%
- Avg brand age
- 83 months
- Avg seller age
- 142 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
52
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
14%
- Mission Fertilizer45%
- Gardenera16%
- TPS NUTRIENTS8%
- Miracle-Gro6%
- Fiddle Leaf Fig Plant Food6%
- Dyna-Gro4%
- Open — no brand owns it (5 brands, 14%)
Demand
Weekly Amazon search volume, last 10 weeks — +50.8% search growth over the last 90 days.Top 3-1-2 fertilizer search terms
- 3-1-2 fertilizer21K/yr
- 3-1-2 liquid fertilizer4K/yr
- 3 1 2 fertilizer4K/yr
- 312 fertilizer4K/yr
- 3-1-2 fertilizer indoor plants3K/yr
Top 3-1-2 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 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Urban Garden Outfitters Mission Fertilizer Grow 3-1-2 Organic Liquid Plant Fertilizer-All-Purpose Fish-Based Nutrient Boost for Healthy Growth Indoor & Outdoor Plants 8 oz Starter Size
Mission Fertilizer$10.914.6★168 rev
GARDENERA Premium 3-1-2 All Purpose Liquid Fertilizer Consentrate for All Indoor Plants & Flowers - Promotes Biomass Growth and Vibrant Leaf Color - 8oz Bottle
Gardenera$13.104.5★2,169 rev
Urban Garden Outfitters Mission Fertilizer Grow 3-1-2 Organic Liquid Plant Fertilizer- All-Purpose Fish-Based Nutrient Boost for Healthy Growth Indoor & Outdoor Plants Quart
Mission Fertilizer$21.064.6★168 rev
Fiddle Leaf Fig Plant Food 312 Balanced NPK Liquid Fertilizer for Larger Leaves Stronger Roots & Steady Vibrant Growth | Suitable for All Ficus Including Ficus Lyrata | Made in USA | 8 oz
Fiddle Leaf Fig Plant Food$26.124.6★4,196 rev
Dyna Gro Foliage Pro 32oz 1 Quart Liquid Plant Dyna Gro Fertilizer Bloom Grow
Dyna-Gro$23.354.8★919 rev
Newest
by launch date
Miracle-Gro Indoor Plant Food for All Plants 8 fl. oz. (2-Pack)
Miracle-Gro$11.861,678 rev
Fiddle Leaf Fig Fertilizer 3-1-2 - Liquid Fertilizer for FLF and Ficus Trees - Quick Results and Fast-Acting Nutrients | Makes up to 192 Cups of Fig Tree Plant Food with Micronutrients
PLANTCO$19.8319 rev
GARDENWISE 3-1-2 Liquid Fertilizer Concentrate with Micronutrients - Optimal Fiddle Leaf Fig Plant Food Ideal for Ficus Lyrata & Fig Trees Gold Leaf Enhanced Indoor Plant Fertilizer (8 OZ)
GARDENWISE$13.9934 rev
GARDENERA Premium 3-1-2 All Purpose Liquid Fertilizer Consentrate for All Indoor Plants & Flowers - Promotes Biomass Growth and Vibrant Leaf Color - 8oz Bottle
Gardenera$13.102,169 rev
Gardenera Premium Liquid Fertilizer - 3-1-2 Concentrate for Indoor Plants & Flowers - Organic Plant Food - 8oz
Gardenera$13.042,169 rev
Trending
90-day click momentum
Urban Garden Outfitters Mission Fertilizer Grow 3-1-2 Organic Liquid Plant Fertilizer-All-Purpose Fish-Based Nutrient Boost for Healthy Growth Indoor & Outdoor Gallon
Mission Fertilizer$58.624.6★
Miracle-Gro Indoor Plant Food for All Plants 8 fl. oz. (2-Pack)
Miracle-Gro$11.864.7★
Neptunes Harvest Fish & Seaweed Liquid Fertilizer (2-3-1) - 18oz Pint - Plant Food for Garden - Indoor & Outdoor Organic Plant Fertilizer for Vegetables Flowers Fruit Trees & Lawns
Neptune's Harvest$17.994.7★
Gardenera Premium Liquid Fertilizer - 3-1-2 Concentrate for Indoor Plants & Flowers - Organic Plant Food - 8oz
Gardenera$13.044.5★
Dyna Gro Foliage Pro 32oz 1 Quart Liquid Plant Dyna Gro Fertilizer Bloom Grow
Dyna-Gro$23.354.8★
What buyers say about 3-1-2 fertilizer
What buyers praise and complain about, mined from review topics.What buyers love
“My plants look incredibly healthy”
“Easy to Use”
“Excellent product”
“Excellent price”
“As Advertised”
“doesnt have a strong odor”
“Have used it for years”
“the colors are sharper”
“The size is perfect”
“powerful enough to boost growth”
What buyers complain about
“doesnt smell strong”
“not like the miracle grow from back in the day”
“the bottle was leaking”
“Concerned they might not fit”
“while a bit pricey”
“It is dying now”
“And the little scooper is hard to handle”
“I dont notice any color or order”
“Do not use in indoor plants”
“considering the low-quality dirt they are planted in”
Top return reasons
Common questions
- Is 3-1-2 fertilizer profitable to sell on Amazon United States?
- The niche generates $31K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +50.8%. Flapen's verdict: Skip it (47/100).
- How competitive is the 3-1-2 fertilizer niche?
- 11 brands and 52 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in 3-1-2 fertilizer?
- Top complaints mined from reviews: Smell, Plant Growth, Leak-Proof. The return rate is 0.3%.
- What does it cost to enter the 3-1-2 fertilizer niche?
- Listings span $5.52–$58.62; the average listing price is $18.92 (sweet spot $15–$100). The average incumbent carries 5,059 reviews — the moat a new listing must climb.