Jiffy Seed Starting Peat Pellets 36mm Refill Pack 36 Count for Trays Organic Jiffy Seed Starting Peat Pellets are the ideal solution for starting your garden indoors. This refill pack includes 36 natural and organic peat pellets, each measuring 36mm, designed to fit standard seed starting trays and greenhouses. These pellets expand up to 7x their size when water is added, providing a nutrient-rich environment for stronger root growth and easy transplanting. The fine netting is derived from renewable cornstarch, allowing for excellent root aeration while keeping the peat contained. Perfect for vegetables, herbs, and flowers, these pellets help retain moisture while preventing seedlings from becoming waterlogged.