Answer: Euonymus japonicus 'Microphyllus Variegatus', the Variegated Boxleaf Euonymus, has a formal appearance in that it is a compact grower and needs little, if any pruning to keep its symmetrical shape. The margins of the leaves are white. It grows only 1-2' tall and 1' wide. It may be a bit smaller than you want. Euonymus japonicus 'Moness', the Silver Princess Boxleaf Euonymus, has a more upright growth habit. The foliage is larger, and the leaf edges are silvery white. It grows 2'-3' tall and wide, and sounds as though it's the better plant for the situation you describe. 'Moness' is a recent Monrovia introduction and probably was not available when your Sunset Western Garden Book was published.
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