Azaleas and rhododendrons "have shallow roots and love partial shade," states Steven Henning, the Rhody Man. It is therefore difficult to find companion trees for azaleas and rhododendrons. The qualifications for such trees are "having deep roots, being fast growing, and providing the 'high shade' that is often recommended" for azaleas and rhododendrons. You can find Steve's discussion of four companion trees for azaleas and rhododendrons by clicking on his "Companion Trees" link.

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