Growing Media Pricing
Analysis of 5,691 eBay listings for growing media including coco, perlite, and rockwool.
What you'll usually pay
💡 Buying used saves about 14% here.
👉 In short easy summary
The best value is found in Clay Pebbles, which sit 21% below the market median. Conversely, Vermiculite and larger volumes over 8 gallons carry the highest premiums, with the latter seeing a 60% increase.
💚 Best value for your money
Price by type
Why? Prices vary by material composition, ranging from Clay Pebbles at 17.7 to Vermiculite at 25.95.
Price by volume
Why? Costs scale with quantity, from 0-2 gal at 20.08 up to more than 8 gal at 36.02.
Price by form
Why? Physical format affects pricing, with Mats costing 30.99 and Cubes, Granules, and Powder all at 19.99.
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Common questions
What is the median price for new growing media?
The median price for new items is 21.99.
Which growing medium is the most affordable?
Clay Pebbles are the most affordable with a median price of 17.7.
How much more do bulk volumes (over 8 gal) cost compared to the median?
Volumes of more than 8 gal have a median price of 36.02, which is a 60% increase.
How we got these numbers
Worked out from 200 live eBay listings (price range $10–$59, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 27, 2026.