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Square Foot Gardening Soil Calculator

How much Mel’s Mix™ do you need?

Calculate the amount of Mel's Mix you need for your

Square Foot Gardening bed.

Enter your dimensions

Total by volume

The magic of Square Foot Gardening is not only the space planning, but in the soil mix. These are the ingredients and quantities for Mel’s Mix™, which will ensure that your Square Foot Garden thrives and produces far better than gardens grown in standard garden soil.

Mel's Mix formula

Here are some handy charts explaining how much Mel’s Mix™ you need for common Square Foot Gardening bed sizes and explaining how many 5 gallon buckets each of peat moss, compost, and coarse vermiculite you need to make specific volumes of Mel’s Mix™.

Mel's Mix calculation chart

Square Foot Gardening is a highly efficient method that creates healthier gardens, larger harvests…and happier, more fulfilled gardeners!

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