ground root tree - Knowledgebase Question

Question by mla1201
February 22, 2009
30 ft/5o yr oak tree, owner wants to put concret border around 12' od ground roots fill in & make flower bed. will this hurt tree?

Answer from NGA
February 22, 2009


It's never a good idea to put soil over the roots of a tree. The roots can suffocate. Instead of building a raised bed, why not just plant between the roots? Choose ground covers, annuals and perennials that like dry shade and both the plants and the oak will be happy. Hosta, Liriope, daylilies, foxglove, pachysandra, vinca minor, and spotted dead nettle are all good plants for under an oak tree.

Best wishes with your garden!

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