Answer: I'd caution against adding soil over the established tree roots. Any change in grade could suffocate the roots. Instead, choose plants that will thrive in acidic soils and compete well for moisture and nutrients (tree roots can be such hogs!). You can dig up some of the surface or feeder roots without harming your pine; the roots of your new plants will find their way around the established roots of your tree. Some of the best plants for growing under pine trees include:
Best wishes with your garden!
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