How much soil do I need for my grow bag?

Determining the amount of soil needed for a plant row bag depends on the size and depth of the bag. To estimate the amount of soil required, you can follow these general guidelines:

1. Calculate the volume: Multiply the length, width, and depth (in feet or meters) of the grow bag to find its volume. For example, if you have a grow bag that measures 3 feet long, 2 feet wide, and 1 foot deep, the volume would be 3 x 2 x 1 = 6 cubic feet.
2. Convert to gallons or liters: Convert the volume to gallons or liters for easier measurement. One cubic foot is approximately equal to 7.5 gallons or 28 liters. Using the example above, the 6 cubic feet grow bag would be equivalent to 45 gallons or 168 liters.
3. Adjust for settling: Keep in mind that the soil may settle after it is initially filled in the grow bag. To account for settling, you can add an additional 10-20% of soil to ensure it remains adequately filled.

It's worth noting that some gardeners prefer to mix other components like compost, perlite, or vermiculite into the soil to improve its texture, drainage, and nutrient content. If you plan to incorporate these amendments, adjust the volume of soil accordingly.

Remember to choose high-quality, well-draining potting soil suitable for container gardening. Fill the grow bag with the calculated amount of soil, leaving some space at the top for watering and root growth.

Please refer to the chart below to know exactly how much soil you need for your grow bags from 247Garden.