Silphium perfoliatum

Cup Plant

Family: Asteraceae

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Type:	erect; clump-forming perennial;
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Sizes:	↑ to 2.5 m ↔ 1 m;
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Hardiness::	fully hardy [ to -15 C ];
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Soil:	moist; moderately fertile; deep; heavy;neutral to slightly alkaline; prefers damp soils;
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Place:	sunny; partial shade;
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Application:	wild gardens; woodlands; with other perennials;
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