Q: Will mulch cause a problem for native plants in my flowerbeds?

A: Think of what ecosystem the plants came from and what kind of ecosystem you are recreating in your flowerbeds. If it is a northern woodland plant, it would have had a loose soil with lots of debris on top, so bark or pine needle mulch is fine. A loose layer of any organic material will help retain soil moisture and reduce weed growth. As the material decays, it will help form a good organic soil.

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