Bags of soil, compost, and amendments — for any bed size or depth.
8" is standard for most vegetables. 12" for deep root crops (carrots, parsnips).
Based on the dimensions on the left — edit them to match your project and this updates as you type.
15 bags fills 21.3 cubic feet at 8" deep
Tip: Miracle-Gro Raised Bed Soil and Kellogg Raised Bed & Potting Mix are the most widely available. Check the bag for the cu ft size — some stores stock 2 cu ft bags, which means you need fewer.
Blend 20–25% compost into premix for better water retention and nutrients
Tip: Premix soil alone can compact over time. Adding compost every season keeps beds productive.
Lines the bottom of beds to block weeds from below while allowing drainage
Tip: Staple fabric to the inside of the frame, not just lay it flat — this prevents it from shifting when you fill with soil.
You will move a lot of bags — gloves prevent blisters and splinters from wood frames
For mixing amendments, transplanting seedlings, and working soil around plants