Compost Starter
MaybeAn estimated 0.3% of orders come back. But the top 5 products take 80% of clicks, so Compost Starter is a Maybe.
- Flapen Score
- 59 / 100Top 36% of 8,839 Patio, Lawn & Garden niches · +3 vs the category median of 5659
- Market size
- $252K/yr121K searches / yr
- 90-day growth
- +49.7%search demand this quarter
- Competition
- 80%top-5 click share · 9 brands · 64 sellers
Flapen Score
Compost Starter against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Compost Starter is stronger. Inside it, weaker.
Market
The Compost Starter market on Amazon at a glance
Shoppers on Amazon United States searched for Compost Starter 121K times last year and spent an estimated $252K. The top 5 brands take 82% of clicks. Demand peaks in Mar–Apr–May–Jun. Flapen scores it 59 out of 100, a Maybe.
01 · Demand
An estimated 12.2% of those searches ended in a purchase.
Shoppers searched for this 121K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.2% of those searches ended in a purchase. Searches in the last 90 days moved +49.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $252K a year.
- Searches, last 12 months
- 121K
- Growth, 90 days vs prior 90
- +49.7%
- Conversion, latest week
- 12.2%
- Market size, estimated
- $252Ka year
- Peak month
- April3.5× the quietest month
- Top search term
- compost starter49K searches a year
02 · Price
A sale here is worth $17.06.
Listings sell for $17.06 on average, from $10.76 to $29.98. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 1,500 to 2,000 of them. At $17.06 that is $26K to $34K a year per listing.
- Average price
- $17.06inside the $15 to $100 sweet spot
- Price range
- $10.76–$29.98
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 1,500–2,000
- Revenue per listing a year
- $26K–$34K
- Returns
- 0.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
91% of listings pay for placement with sponsored ads. 82% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #1,461 within Composting & Yard Waste Bins. It carries 1,768 reviews at 4.41 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 91%
- Prime listings
- 82%
- Out of stock, average day
- 0.0%
- Average rank
- #1,461in Composting & Yard Waste Bins
- Average rating
- 4.41 starsAmazon United States average 4.42 stars
- Average reviews
- 1,768per listing
- Listings tracked
- 11
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 62 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
- 62 months
Products
Top Compost Starter 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 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Roebic CA-1 Bacterial Compost Accelerator: 2.5 pounds for faster composting
- Price
- $12.16
- Rating
- 4.4/5
- Reviews
- 1,636
- Age
- 19y ago

Jobes Organics Fast Acting Granular Fertilizer Compost Starter Easy Plant Care Compost Accelerator 4 lbs Bag
- Price
- $15.60
- Rating
- 4.5/5
- Reviews
- 9,488
- Age
- 22y ago

Dr. Connies Compost Plus 100X Concentrated Starter & Accelerator | Natural Microbe Activator for Bins Tumblers & Piles | Odor Control Garden Waste Additive (Indoor & Outdoor)
- Price
- $14.98
- Rating
- 4.4/5
- Reviews
- 388
- Age
- 5y ago

Compost Starter - 100x Concentrated All Natural Compost Accelerator for Countertop Kitchen Bin - Odor-Free Fast-Acting Microbial Formula - Approximately 73 Scoops
- Price
- $19.60
- Rating
- 4.4/5
- Reviews
- 108
- Age
- 1y ago

Compost Starter & Compost Accelerator Liquid Compost Booster for Faster Breakdown & Richer Compost 8 oz
- Price
- $11.57
- Rating
- 4.1/5
- Reviews
- 50
- Age
- 2y ago
Trending
estimated 90-day click momentum
Espoma Organic Compost Starter; All-Natural Composing Aid Helps Break Down Organic Matter to Make Rich Compost for Organic Gardening. 4 lb. Bag; Pack of 3
- Price
- $29.98
- Rating
- 4.7/5
- Reviews
- 37
- Age
- 9y ago

Convino: A Compost Starter/Accelerator Which Help to Reduce Kitchen Waste Odor and Convert Yard Waste to Fertile Humus for All Composting Systems. Comes in 1 Package That Contains 4 Packets Inside
- Price
- $10.76
- Rating
- 4.3/5
- Reviews
- 1,769
- Age
- 5y ago

Dr. Connies Compost Plus 100X Concentrated Starter & Accelerator | Natural Microbe Activator for Bins Tumblers & Piles | Odor Control Garden Waste Additive (Indoor & Outdoor)
- Price
- $14.98
- Rating
- 4.4/5
- Reviews
- 388
- Age
- 5y ago

Espoma CS4 4 Lb Organic Compost Starter
- Price
- $18.44
- Rating
- 4.3/5
- Reviews
- 11
- Age
- 17y ago

Compost Starter & Compost Accelerator Liquid Compost Booster for Faster Breakdown & Richer Compost 8 oz
- Price
- $11.57
- Rating
- 4.1/5
- Reviews
- 50
- Age
- 2y ago
Newest
by launch date
Compost Starter - 100x Concentrated All Natural Compost Accelerator for Countertop Kitchen Bin - Odor-Free Fast-Acting Microbial Formula - Approximately 73 Scoops
- Price
- $19.60
- Rating
- 4.4/5
- Reviews
- 108
- Age
- 1y ago

Compost Starter & Compost Accelerator Liquid Compost Booster for Faster Breakdown & Richer Compost 8 oz
- Price
- $11.57
- Rating
- 4.1/5
- Reviews
- 50
- Age
- 2y ago

Dr. Connies Compost Plus 100X Concentrated Starter & Accelerator | Natural Microbe Activator for Bins Tumblers & Piles | Odor Control Garden Waste Additive (Indoor & Outdoor)
- Price
- $14.98
- Rating
- 4.4/5
- Reviews
- 388
- Age
- 5y ago

Convino: A Compost Starter/Accelerator Which Help to Reduce Kitchen Waste Odor and Convert Yard Waste to Fertile Humus for All Composting Systems. Comes in 1 Package That Contains 4 Packets Inside
- Price
- $10.76
- Rating
- 4.3/5
- Reviews
- 1,769
- Age
- 5y ago

Espoma Organic Compost Starter; All-Natural Composing Aid Helps Break Down Organic Matter to Make Rich Compost for Organic Gardening. 4 lb. Bag; Pack of 3
- Price
- $29.98
- Rating
- 4.7/5
- Reviews
- 37
- Age
- 9y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 80% of clicks. A locked shelf that new listings rarely crack.
Brands
9 flat
Sellers
64
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
80%
Top 20: 100%
Open market
12%
- Roebic27%
- Jobe's Organics25%
- Bioverse14%
- Espoma8%
- Cabin Obsession7%
- TPS NUTRIENTS6%
- Open — no brand owns it (3 brands, 12%)
Demand
Compost Starter search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 3.5×
Search terms
Top Compost Starter search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- compost starter49K/yr
- compost accelerator30K/yr
- compost starter activator13K/yr
- compost accelerator for compost bin8K/yr
- compost starter for tumblers6K/yr
- compost activator3K/yr
- best compost accelerator4K/yr
- compost starter kit for beginners2K/yr
- compost starter kit3K/yr
- leaf decomposition accelerator3K/yr
Reviews and returns
What reviews say buyers love and hate about Compost Starter
We read the reviews and the return reasons for every product selling here.
“Does not work”
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 Compost Starter 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









