Check the listing for details. Espoma (#SS16) Organic Seed Starter Premium Potting Mix,16Qt (2 Pack)). Condition: New. Listed at 34.09 USD. Start your seeds out right to grow beautiful plants with Seed Starter Potting Mix from Espoma! Key Product Features You will receive two (16 oz)bags with this purchaseFor all seedlings and cuttingsEnhanced with myco-toneAll natural for organic gardeningRetains moisture and promotes root growthHelp to ensure your seeds will thrive by planting them in the Espoma 16 qt. Organic Seed Starter Premium Potting Mix. This organic potting soil is specifically formulated for new growth and enhanced with myco- tone. Better ingredients mean stronger growth and larger, healthier, more resilient plants. Espoma Organic is composed of 80-90% Canadian sphagnum peat moss, perlite, limestone to adjust pH, and yucca extract. All natural, improves moisture retention, and promotes root growth for all seedlings, and cuttings. Invest in a seed starter you can trust today.