The Cat Ladies 8.8 ounces Organic Potting Soil for Indoor/Outdoor Plants, Expands to Fit 3 Inch and 4 Inch Pots - 12 Pack, If you’re going to sow, you need high-quality soil without the mess. Made with all-natural coco coir and rich in vitamins fledgling seeds need, our organic soil disks are perfect for growing anything from pet grass to alfalfa. Designed to fit a 3–4” pot, our versatile organic potting soil for indoor or outdoor plants can be used individually, or even combined. Just add water and watch the soil expand, then add your seeds. Easy peasy!