Grain Spawn Bags
MaybeAn estimated 0.4% of orders come back. But shoppers spend an estimated $105K a year here, so Grain Spawn Bags is a Maybe.
- Flapen Score
- 57 / 100Top 43% of 8,839 Patio, Lawn & Garden niches · +1 vs the category median of 5657
- Market size
- $105K/yr82K searches / yr
- 90-day growth
- +2.6%search demand this quarter
- Competition
- 60%top-5 click share · 15 brands · 56 sellers
Flapen Score
Grain Spawn Bags against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Grain Spawn Bags is stronger. Inside it, weaker.
Market
The Grain Spawn Bags market on Amazon at a glance
Shoppers on Amazon United States searched for Grain Spawn Bags 82K times last year and spent an estimated $105K. The top 5 brands take 72% of clicks. Demand peaks in Aug–Sep–Dec. Flapen scores it 57 out of 100, a Maybe.
01 · Demand
An estimated 4.2% of those searches ended in a purchase.
Shoppers searched for this 82K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.2% of those searches ended in a purchase. Searches in the last 90 days moved +2.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $105K a year.
- Searches, last 12 months
- 82K
- Growth, 90 days vs prior 90
- +2.6%
- Conversion, latest week
- 4.2%
- Market size, estimated
- $105Ka year
- Peak month
- September1.6× the quietest month
- Top search term
- grain spawn bags15K searches a year
02 · Price
A sale here is worth $30.38.
Listings sell for $30.38 on average, from $8.54 to $99.40. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At $30.38 that is $3K to $8K a year per listing.
- Average price
- $30.38inside the $15 to $100 sweet spot
- Price range
- $8.54–$99.40
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $3K–$8K
- Returns
- 0.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
70% of listings pay for placement with sponsored ads. 50% ship with Prime. On an average day, 7.0% of listings are out of stock. The average listing ranks #593 within Pots, Planters & Container Accessories. It carries 360 reviews at 4.10 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 70%
- Prime listings
- 50%
- Out of stock, average day
- 7.0%
- Average rank
- #593in Pots, Planters & Container Accessories
- Average rating
- 4.10 starsAmazon United States average 4.42 stars
- Average reviews
- 360per listing
- Listings tracked
- 20
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 44 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 44 months
Products
Top Grain Spawn Bags 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
Myco Labs Premium 5-Grain Mushroom Spawn Bags | Sterilized Grain Spawn | Injection Ports | 2 Quarts Each Bag | 2 Bags per Box
- Price
- $24.89
- Rating
- 4.2/5
- Reviews
- 537
- Age
- 2y ago

North Spore Organic Sterilized Hydrated Grain Bag w/Self-Healing Injection Port | Sterile Mushroom Spawn Bags w/ 0.2 Micron Filter Patch | USDA Certified Organic (1 Pack)
- Price
- $24.77
- Rating
- 4.1/5
- Reviews
- 491
- Age
- 4y ago

ZWXT 100PCS Mushroom Planting Kit - 8520 Thickened Growing Bags 6 Mil Thick Durable Tear Resistant 0.2 Micron Porosity Resistant High Pressure Spawning Bags
- Price
- $36.23
- Rating
- 4.5/5
- Reviews
- 175
- Age
- 2y ago

Boomer Shroomer Premium Milo Grain Mushroom Spawn Bags | Sterilized Grain Spawn | Injection Ports | 3 lbs Each Bag | 2 Bags per Box
- Price
- $33.68
- Rating
- 4.4/5
- Reviews
- 30
- Age
- 8mo ago

Complete Refill Kit for Large 66Q Monotub - Includes Grain Spawn & Bulk Substrate
- Price
- $56.60
- Rating
- 4.1/5
- Reviews
- 90
- Age
- 1y ago
Trending
estimated 90-day click momentum
15 PackFood Storage Bags Grain Moisture-proof Sealed Bags Stand Up Packaging Pouches Large Reusable Sealed Bag with Handle and Cap BPA Free 13.7x12.6
- Price
- $15.10
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2y ago

SPAWN DADDY 2 lb All-in-One Mushroom Grow Bag Sterilized Triple Grain (Red Milo Oats Rye) with CVG Substrate & Azomite Micronutrients Ready to Use for Manure Loving Mushrooms
- Price
- $19.14
- Rating
- 4.9/5
- Reviews
- 30
- Age
- 10mo ago

Vabiooth 25 Packs 6 Mil Mushroom Grow Bags Thick Spawn Bags 5 X 8 X 20 with 0.2 Micron Filter Breathable Autoclavable Durable Tear-Resistant
- Price
- $15.84
- Rating
- 4.2/5
- Reviews
- 147
- Age
- 3y ago

Boomer Shroomer Premium Milo Grain Mushroom Spawn Bags | Sterilized Grain Spawn | Injection Ports | 3 lbs Each Bag | 2 Bags per Box
- Price
- $33.68
- Rating
- 4.4/5
- Reviews
- 30
- Age
- 8mo ago

Galnut 3-Pack Sterilized Mushroom Grain Spawn 2 lb Each Injection Port (Self Healing) Breathable 0.2 Micron Filter | Ready-to-Use for Mushroom Cultivation
- Price
- $26.83
- Rating
- 3.6/5
- Reviews
- 31
- Age
- 1y ago
Newest
by launch date
Boomer Shroomer Premium Milo Grain Mushroom Spawn Bags | Sterilized Grain Spawn | Injection Ports | 3 lbs Each Bag | 2 Bags per Box
- Price
- $33.68
- Rating
- 4.4/5
- Reviews
- 30
- Age
- 8mo ago

SPAWN DADDY 2 lb All-in-One Mushroom Grow Bag Sterilized Triple Grain (Red Milo Oats Rye) with CVG Substrate & Azomite Micronutrients Ready to Use for Manure Loving Mushrooms
- Price
- $19.14
- Rating
- 4.9/5
- Reviews
- 30
- Age
- 10mo ago

Complete Refill Kit for Large 66Q Monotub - Includes Grain Spawn & Bulk Substrate
- Price
- $56.60
- Rating
- 4.1/5
- Reviews
- 90
- Age
- 1y ago

Bella Bora Grain Spawn Bags | 6-Pack Mushroom Grow Bags (5 lbs) | Unpolished Brown Jasmine Rice as Mushroom Substrate Sterilized | Fast Colonization Easy to Use
- Price
- $27.92
- Rating
- 3.3/5
- Reviews
- 185
- Age
- 1y ago

Galnut 3-Pack Sterilized Mushroom Grain Spawn 2 lb Each Injection Port (Self Healing) Breathable 0.2 Micron Filter | Ready-to-Use for Mushroom Cultivation
- Price
- $26.83
- Rating
- 3.6/5
- Reviews
- 31
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
15 falling
Sellers
56
Est. top-5 brand share
72%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 100%
Open market
23%
- Myco Labs35%
- North Spore17%
- SGM LABS8%
- zwxt6%
- Boomer Shroomer6%
- Out-Grow5%
Demand
Grain Spawn Bags search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Aug, Sep, Dec · busiest ÷ quietest = 1.6×
Search terms
Top Grain Spawn Bags search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- grain spawn bags15K/yr
- spawn bags14K/yr
- mushroom spawn bag9K/yr
- grain bags7K/yr
- sterilized grain bag9K/yr
- grain bags mushroom8K/yr
- mushroom grain bag6K/yr
- grain bag7K/yr
- spawn bag4K/yr
- mushroom spawn bags3K/yr
Reviews and returns
What reviews say buyers love and hate about Grain Spawn Bags
We read the reviews and the return reasons for every product selling here.
“Bone dry”
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 Grain Spawn Bags 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









