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How many bags of mulch do I need?

Mulch is a the first line of defense against weeds, but knowing how many bags you need seems tricky. So here is a formula.

  • For 2′ Deep Mulch Layer: Multiply the number of square feet by 0.2
  • For 3′ Deep Mulch Layer: Multiply the number of square feet by 0.25
  • For 4′ Deep Mulch Layer: Multiply the number of square feet by 0.3

Check your state and local codes before starting any project. Follow all safety precautions. Every effort has been made to ensure the accuracy and safety of this information. Neither Westlake nor any contributor can be held responsible for damages or injuries resulting from the use of the information in this document.

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