Calcium Nitrate
MaybeAn estimated 0.4% of orders come back. But the top 5 products take 79% of clicks, so Calcium Nitrate is a Maybe.
- Flapen Score
- 62 / 100Top 25% of 8,839 Patio, Lawn & Garden niches · +6 vs the category median of 5662
- Market size
- $286K/yr85K searches / yr
- 90-day growth
- +130.5%search demand this quarter
- Competition
- 79%top-5 click share · 12 brands · 44 sellers
Flapen Score
Calcium Nitrate against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Calcium Nitrate is stronger. Inside it, weaker.
Market
The Calcium Nitrate market on Amazon at a glance
Shoppers on Amazon United States searched for Calcium Nitrate 85K times last year and spent an estimated $286K. The top 5 brands take 82% of clicks. Demand peaks in Apr–May–Jun–Jul. Flapen scores it 62 out of 100, a Maybe.
01 · Demand
An estimated 14.0% of those searches ended in a purchase.
Shoppers searched for this 85K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 14.0% of those searches ended in a purchase. Searches in the last 90 days moved +130.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $286K a year.
- Searches, last 12 months
- 85K
- Growth, 90 days vs prior 90
- +130.5%
- Conversion, latest week
- 14.0%
- Market size, estimated
- $286Ka year
- Peak month
- May5.1× the quietest month
- Top search term
- calcium nitrate42K searches a year
02 · Price
A sale here is worth $23.97.
Listings sell for $23.97 on average, from $8.64 to $59.53. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 500 to 750 of them. At $23.97 that is $12K to $18K a year per listing.
- Average price
- $23.97inside the $15 to $100 sweet spot
- Price range
- $8.64–$59.53
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $12K–$18K
- Returns
- 0.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
62% of listings pay for placement with sponsored ads. 62% ship with Prime. On an average day, 8.2% of listings are out of stock. The average listing ranks #921 within Soils, Mulches & Planting Media. It carries 1,505 reviews at 4.61 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 62%
- Prime listings
- 62%
- Out of stock, average day
- 8.2%
- Average rank
- #921in Soils, Mulches & Planting Media
- Average rating
- 4.61 starsAmazon United States average 4.42 stars
- Average reviews
- 1,505per listing
- Listings tracked
- 13
04 · Newcomers
1 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 88 months on average, so the names here are established.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 88 months
Products
Top Calcium Nitrate products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 15, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Calcium Nitrate Fertilizer Liquid Fertilizer Supplement for Fast Leaf Growth Stronger Cell Wall Development & Prevents Blossom End Rot 8 oz
- Price
- $11.86
- Rating
- 4.6/5
- Reviews
- 152
- Age
- 1y ago

Calcium Nitrate 15.5-0-0 Fertilizer - Made in USA - 5LB Greenhouse Grade Plant Food for Hydroponics Plants & Gardens Fruit Vegetables. Blossom End Rot Tomatoes
- Price
- $19.40
- Rating
- 4.7/5
- Reviews
- 562
- Age
- 2y ago

Southern Ag Calcium Nitrate - 5 Pound Bag
- Price
- $17.19
- Rating
- 4.6/5
- Reviews
- 1,501
- Age
- 18y ago

Calcium Nitrate 15.5-0-0 Fertilizer Bulk Pricing (5 POUNDS)
- Price
- $16.19
- Rating
- 4.7/5
- Reviews
- 2,013
- Age
- 9y ago

1LB Calcium Nitrate Fertilizer 15.5-0-0 Nitrogen Fertilizer with Calcium Indoor Plant Fertilizer Plant Food for Houseplants Lawn Vegetable Trees Boost Stem & Leaf Growth Improves Root Health
- Price
- $9.96
- Rating
- 4.4/5
- Reviews
- 25
- Age
- 7mo ago
Trending
estimated 90-day click momentum
Acton Calcium Nitrate 15.5-0-0 (25 LB)
- Price
- $52.36
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 6y ago

1LB Calcium Nitrate Fertilizer 15.5-0-0 Nitrogen Fertilizer with Calcium Indoor Plant Fertilizer Plant Food for Houseplants Lawn Vegetable Trees Boost Stem & Leaf Growth Improves Root Health
- Price
- $9.96
- Rating
- 4.4/5
- Reviews
- 25
- Age
- 7mo ago

Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer Quart (32 oz)
- Price
- $17.40
- Rating
- 4.7/5
- Reviews
- 6,860
- Age
- 9y ago

INTOMYTH Calcium Nitrate 15.5-0-0 Fertilizer (1 lb) - Horticultural Grade Calcium Nitrate Soluble Plant Food for Hydroponics Garden Plants Fruit Vegetables Tomatoes
- Price
- $9.72
- Rating
- 4.2/5
- Reviews
- 17
- Age
- 8mo ago

Calcium Nitrate Fertilizer Liquid Fertilizer Supplement for Fast Leaf Growth Stronger Cell Wall Development & Prevents Blossom End Rot 8 oz
- Price
- $11.86
- Rating
- 4.6/5
- Reviews
- 152
- Age
- 1y ago
Newest
by launch date
1LB Calcium Nitrate Fertilizer 15.5-0-0 Nitrogen Fertilizer with Calcium Indoor Plant Fertilizer Plant Food for Houseplants Lawn Vegetable Trees Boost Stem & Leaf Growth Improves Root Health
- Price
- $9.96
- Rating
- 4.4/5
- Reviews
- 25
- Age
- 7mo ago

INTOMYTH Calcium Nitrate 15.5-0-0 Fertilizer (1 lb) - Horticultural Grade Calcium Nitrate Soluble Plant Food for Hydroponics Garden Plants Fruit Vegetables Tomatoes
- Price
- $9.72
- Rating
- 4.2/5
- Reviews
- 17
- Age
- 8mo ago

Calcium Nitrate Fertilizer Liquid Fertilizer Supplement for Fast Leaf Growth Stronger Cell Wall Development & Prevents Blossom End Rot 8 oz
- Price
- $11.86
- Rating
- 4.6/5
- Reviews
- 152
- Age
- 1y ago

Calcium Nitrate 15.5-0-0 Mega Crop 2 Part B Hydroponic Soil Fertilizer for Plants Granule
- Price
- $8.64
- Rating
- 4.5/5
- Reviews
- 212
- Age
- 2y ago

Calcium Nitrate 15.5-0-0 Fertilizer - Made in USA - 5LB Greenhouse Grade Plant Food for Hydroponics Plants & Gardens Fruit Vegetables. Blossom End Rot Tomatoes
- Price
- $19.40
- Rating
- 4.7/5
- Reviews
- 562
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 79% of clicks. A locked shelf that new listings rarely crack.
Brands
12 falling
Sellers
44
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
79%
Top 20: 100%
Open market
12%
- TPS NUTRIENTS20%
- Cz Garden Supply20%
- Southern Ag19%
- PowerGrow Systems14%
- FOVGOTAN8%
- Greenleaf Nutrients6%
- Open — no brand owns it (6 brands, 12%)
Demand
Calcium Nitrate search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 5.1×
Search terms
Top Calcium Nitrate search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- calcium nitrate42K/yr
- calcium nitrate fertilizer25K/yr
- calcium nitrate for tomato plants6K/yr
- calcium nitrate 15.5-0-0 fertilizer5K/yr
- calcium nitrate for plants4K/yr
- calcium nitrate for tomatoes4K/yr
Reviews and returns
What reviews say buyers love and hate about Calcium Nitrate
We read the reviews and the return reasons for every product selling here.
“Tomato rot stop”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Calcium Nitrate questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









