Master Gardener Mary Ann King explains some of the terms you find on plant tags that may be puzzling. In fact, the tags show information about sun requirements, growing zone, and other information for a thriving plant. See the link here in this Yankton Press & Dakotan article:
http://www.yankton.net/river_city/article_a9bf8e5e-1331-11e6-9db5-e75a129c524e.html
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