The companion plants for hosta have an equal intolerance for these conditions. ... Carolina silverbell and fringe tree. ... abelia, loropetalum, gardenia, hollies, tea olive, etc.

Since these citrus plants need anywhere from 8 to 12 feet of space to grow, it is best to not plant another tree next to it. Instead, it is better to stick to companion plants near your lemon tree.

Pope Benedict XVI plants an olive tree with Israeli President Shimon Peres at the president’s residence May 11, 2009, in Jerusalem. (photo: Rina Castelnuovo / Pool / Getty Images) James Day ...