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Silphium perfoliatum

Cup Plant

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Item #: 803

Zones: 3a to 9b

Height: 96" tall

Culture: Sun

Origin: United States

Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?

Note: This plant is not currently for sale. This is an archive page preserved for informational use.

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I fell in love with this midwest native last year. The central stem on this imposing prairie giant reaches 8'. The large green leaves surround the stem forming a cup at each leaf node. Each cup holds about a cup of water...great for wildlife during a summer drought. In late summer, the clumps are topped with large clusters of yellow daisies...a great structural plant for the border.