Our Black Bear line of biochar growing mixes.

A favorite among professional greenhouses and growers.

Boosting all the benefits of biochar, like increased water and nutrient retention, improved aeration and reduced acidity, Black Bear products also contain RESiLIENCE® — the silicon advantage that may improve resistance to wilting, heavy-metal toxicities and salt stress.

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  • What is biochar?

    Biochar is a 100% organic, carbon-rich by-product of forest products, including sawmill and lumber remnants that are typically burned.

  • What does it do?

    A sustainable alternative to perlite, biochar is produced from renewable biomass and delivers comparable aeration and drainage in growing media without relying on mined, nonrenewable mineral resources.

    • Pro Favorite
    • Top Seller
    A black 3.8 cu.ft. bag labeled

    Technigro®

    #14 Biochar Mix

    • Usage 2
    • Usage 4
    • Usage 6
    • Pro Favorite
    A black 3.8 cu.ft. bag labeled

    Technigro®

    #13 Biochar Mix

    • Usage 5
    • Usage 6
    • Top Seller
    A black 3.8 cu.ft. bag labeled

    Technigro®

    #12 Biochar Mix

    • Usage 1
    • Usage 2
    • Usage 6
  • A black 3.8 cu.ft. bag labeled

    Technigro®

    #11 Biochar Mix

    • Usage 1
    • Usage 3

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I started working with Sun Gro Grower Trials about six years ago. In my opinion their products are the best, exceed my expectations, and the result prove it.

Jessica Beekman, Austin, Texas

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