Growing Ingredients

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Ingredients that help you grow.

The substrates and additives your plants need to thrive.

From natural and organic peat moss mixes to biochar growing mix to professional wood fiber growing media to perlite and perlite-free substrates, fruitful growing starts with the perfect combination of ingredients.

Looking for a mix with a certain substrate?

  • Close-up of loose dark brown sphagnum peat moss substrate for potting mixes and soil amendment, showing fibrous texture

    Canadian Sphagnum Peat Moss

    Our select line of Canadian sphagnum peat moss is 100% sourced from VerifloraⓇ Responsibly Managed Peatland. The high water-holding capacity and excellent aeration make our peat moss the choice for growers who mix their own or other professional uses.

  • Loose brown coconut coir fiber growing medium for potting mixes and seed starting, showing fibrous texture and fine particles

    Coir

    Made from coconut husks, coir consists of short natural fibers and sponge-like pith that help balance aeration and water-holding capacity in the mix.

  • Close-up of white granular perlite volcanic glass used as lightweight horticultural medium for soil aeration

    Perlite

    Perlite is a lightweight, expanded volcanic mineral that improves aeration and drainage in growing mixes while helping prevent compaction.

  • Dark shredded bark mulch for gardening, soil moisture retention and decorative landscape beds

    Bark

    Originating from the forest product industry, bark is shredded or chipped and then composted before being added to a mix. Our professional bark potting mixes offer a broad range of applications ranging from small cell packs to large containers.

  • Close-up of black biochar wood granules for soil amendment and carbon sequestration in gardening and agriculture

    Biochar

    Made from 100% natural, renewable forest products – including sawmill and lumber remnants – our biochar growing mix is an engineered aggregate designed to function as a sustainable alternative to horticultural perlite. More than just a perlite replacement, it provides additional functional benefits, including increased nutrient-holding capacity.

  • Close-up of shredded light brown wood fiber mulch with fibrous texture used for horticulture and soil improvement

    Wood Fiber

    A collection of professional wood fiber growing media featuring proprietary, engineered wood fiber particles that provide ideal moisture, minimal dust and promoted flowability.

  • Rich dark organic compost texture close-up, nutrient-rich soil amendment for gardens and potted plants

    Compost

    Compost is added to mixes to provide natural, stabilized organic matter. It also has excellent nutrient- and water-holding ability.

Looking for products with special additives?

  • Close-up texture of fine white powdery soil amendment or growing media called resilience for horticulture

    RESiLIENCE® Silicon

    An abundant element found in the Earth’s crust, silicon helps promote resistance to heavy metal toxicity, salt stress and wilting. And RESiLIENCE silicon is only available in Sun Gro products.

  • Close-up of dark granular earthworm castings spread across soil, showing nutrient-rich worm pellets for gardening

    Earthworm Castings

    The organic waste from earthworms, called vermicastings, is nutrient-rich, biologically active and used to enrich mixes and garden soils for improved plant performance.

  • Fertilizer

    Fertilizer

    Our water-soluble fertilizer contains sulfur and magnesium to help overall plant performance and production.

  • Mycorrhizae

    Mycorrhizae

    Made from a beneficial fungi, mycorrhizae penetrate root cell walls to enhance nutrient and water absorption.

  • Pumice

    Pumice

    When added to the soil, this lightweight, porous rock can help improve drainage, aeration and moisture control.

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Hands planting a yellow flowering plant in potting soil in a container.
Young yellow flowers growing in dark soil with a potting mix bag visible.
Natural & Organic potting mix bag with green label next to a potted flowering plant.
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