Figuring out how much soil you need for your new planter boxes is a simple three-step process that ensures you buy the perfect amount. First, measure the interior dimensions of your box: length, width, and depth. Use feet as your unit for easier calculation with bulk soil, which is typically sold by the cubic foot. Second, multiply these three numbers together (Length x Width x Depth). This gives you the volume in cubic feet. For example, a box that is 4 feet long, 2 feet wide, and 1.5 feet deep has a volume of 12 cubic feet (4 x 2 x 1.5 = 12). Finally, consider soil settlement and filling level. You likely won't fill the box completely to the brim. It's wise to add an extra 10-15% to your total volume to account for this settling over time. For our 12-cubic-foot box, you'd want to purchase about 13.5 cubic feet of potting mix. Remember, a high-quality potting mix designed for containers is crucial for drainage and plant health in urban settings. Now you can shop confidently, avoiding waste and ensuring your plants have the perfect foundation to thrive.
How do I calculate how much soil I'll need to fill my new urban planter boxes?
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