The Q&A Archives: Shavings from pressure-treated wood as mulch?

Question: I have several 30 gallon garbage bags of shavings from pressure treated wood. Would it be all right to use this material as mulch on flowerbeds?

Answer: No. Whenever you work with pressure-treated wood, you should wear a dust mask, and any scrap--including shavings--should go to the landfill.

Also, part of the benefit of non-treated mulch is that it breaks down over time, which helps to build up the organic matter levels in the soil.

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