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Hi Thomas! We manufacture our own bulk and bagged mulches with multiple safeguards including a process in which our mulches are heated up to 130 to 140 degrees. This process kills diseases and pests such as jumping worms. This results in mulch that has been heat sterilized and free of jumping worms. You can read our full Q&A about Jumping Worms here: https://www.gertens.com/blog/jumping-worms.html
Have not noticed this problem.
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