Answer: There's not a lot of difference in appearance. Buxus microphylla 'Winter Gem' is densely branched with velvety, dark green foliage. It grows in full to partial sun and reaches 4-6'. It's the hardiest of all boxwoods. Buxus microphylla koreana 'Wintergreen', has medium green to dark green foliage and grows only 2' high and wide. It grows well in full sun to full shade but is especially adaptable to shady conditions. Aside from the size, the boxwoods are quite similar in appearance.
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