Calcium for Tomato Plants
MaybeSearch demand grew +521.8% this quarter. But the top 5 brands take 100% of clicks, so Calcium for Tomato Plants is a Maybe.
- Flapen Score
- 56 / 100Ranks 4,126 of 8,839 Patio, Lawn & Garden niches · on the category median56
- Market size
- $388K/yr130K searches / yr
- 90-day growth
- +521.8%search demand this quarter
- Competition
- 88%top-5 click share · 5 brands · 47 sellers
Flapen Score
Calcium for Tomato Plants against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Calcium for Tomato Plants is stronger. Inside it, weaker.
Market
The Calcium for Tomato Plants market on Amazon at a glance
Shoppers on Amazon United States searched for Calcium for Tomato Plants 130K times last year and spent an estimated $388K. All 5 brands take every click. Demand peaks in May–Jun–Jul–Aug. Flapen scores it 56 out of 100, a Maybe.
01 · Demand
An estimated 21.4% of those searches ended in a purchase.
Shoppers searched for this 130K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 21.4% of those searches ended in a purchase. Searches in the last 90 days moved +521.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $388K a year.
- Searches, last 12 months
- 130K
- Growth, 90 days vs prior 90
- +521.8%
- Conversion, latest week
- 21.4%
- Market size, estimated
- $388Ka year
- Peak month
- July36.5× the quietest month
- Top search term
- calcium for tomato plants30K searches a year
02 · Price
A sale here is worth $13.88.
Listings sell for $13.88 on average, from $10.07 to $19.40. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,500 to 2,000 of them. At $13.88 that is $21K to $28K a year per listing.
- Average price
- $13.88under the $15 to $100 sweet spot
- Price range
- $10.07–$19.40
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 1,500–2,000
- Revenue per listing a year
- $21K–$28K
- Returns
- 0.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
56% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #436 within Soils, Mulches & Planting Media. It carries 2,641 reviews at 4.53 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 56%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #436in Soils, Mulches & Planting Media
- Average rating
- 4.53 starsAmazon United States average 4.42 stars
- Average reviews
- 2,641per listing
- Listings tracked
- 9
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 93 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 93 months
Products
Top Calcium for Tomato Plants 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
Bonide Rot-Stop Tomato Blossom End Rot 16 oz Concentrated Liquid Garden Fertilizer for Calcium Deficiency Indoors & Outdoors
- Price
- $10.37
- Rating
- 4.5/5
- Reviews
- 5,165
- Age
- 18y 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

Bonide Rot-Stop Tomato Blossom End Rot 32 oz Ready-to-Use Spray Garden Fertilizer for Calcium Deficiency in Plants
- Price
- $10.07
- Rating
- 4.1/5
- Reviews
- 1,688
- Age
- 17y ago

Calcium for Plants Liquid Calcium Supplement for Stronger Growth Healthier New Leaves & Reduced Deficiencies 8 oz
- Price
- $11.26
- Rating
- 4.4/5
- Reviews
- 151
- 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
Trending
estimated 90-day click momentum
Bonide Rot-Stop Tomato Blossom End Rot 16 oz Concentrated Liquid Garden Fertilizer for Calcium Deficiency Indoors & Outdoors
- Price
- $10.37
- Rating
- 4.5/5
- Reviews
- 5,165
- Age
- 18y ago

Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer 1/2 Pint (8 oz)
- Price
- $11.47
- Rating
- 4.7/5
- Reviews
- 6,860
- Age
- 3y ago

Calcium for Plants Liquid Calcium Supplement for Stronger Growth Healthier New Leaves & Reduced Deficiencies 8 oz
- Price
- $11.26
- Rating
- 4.4/5
- Reviews
- 151
- Age
- 2y 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

Bonide Rot-Stop Tomato Blossom End Rot 32 oz Ready-to-Use Spray Garden Fertilizer for Calcium Deficiency in Plants
- Price
- $10.07
- Rating
- 4.1/5
- Reviews
- 1,688
- Age
- 17y ago
Newest
by launch date
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 for Plants Liquid Calcium Supplement for Stronger Growth Healthier New Leaves & Reduced Deficiencies 8 oz
- Price
- $11.26
- Rating
- 4.4/5
- Reviews
- 151
- 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

Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer 1/2 Pint (8 oz)
- Price
- $11.47
- Rating
- 4.7/5
- Reviews
- 6,860
- Age
- 3y 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
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 88% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
47
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
88%
Top 20: 100%
Open market
0%
- Bonide56%
- Bloom City19%
- TPS NUTRIENTS12%
- Cz Garden Supply8%
- Southern Ag5%
Demand
Calcium for Tomato Plants search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 36.5×
Search terms
Top Calcium for Tomato Plants search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- calcium for tomato plants30K/yr
- calcium for plants22K/yr
- rot stop for tomatoes8K/yr
- blossom end rot treatment7K/yr
- rot stop9K/yr
- calcium for tomatoes5K/yr
- calcium fertilizer7K/yr
- liquid calcium for plants5K/yr
- tomato fertilizer with calcium4K/yr
- calcium fertilizer for tomatoes4K/yr
Reviews and returns
What reviews say buyers love and hate about Calcium for Tomato Plants
We read the reviews and the return reasons for every product selling here.
“I never saw any improvement in new growth”
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.
18 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 for Tomato Plants 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









