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This one has proven to be a real mystery, even when we asked a Master Gardener. Serrated edges, each cup 2-3 inches in width, about a foot in height.

serrated edge

kevinskio
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Den
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1 Answers1

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Looks to me like a Sedum. The closest of the many varieties might be Sedum ellacombianum (also called Sedum kamtschaticum ssp ellacombianum)

Fresh green leaves and star-shaped yellow flowers in summer. 6” X 18”. Full sun, well drained soil. Very vigorous, almost weedy, drought and cold tolerant. A native of Asia and hardy to –30 degrees F or about (-30 deg C)

It is described in more detail here.

If I'm right it will have little yellow flowers.

kevinskio
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  • Excellent identification, my appreciation for this accurate and rapid reply! Den – Den Sep 06 '13 at 18:52