[header] How to buy an organic crib mattress [title] Check a store specializing in organic goods. [step] Natural health stores or organic retailers sometimes carry products for new moms. If you frequent an organic store with good selection, ask the employees if they carry crib mattresses. 
Even if they don't, an employee might know local options. [substeps] If you're friends with other eco-friendly moms, ask them where they bought their crib mattresses.