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Silphium perfoliatum - 2018

AndrewR

By Andrewr


Silphium perfoliatum - 2018 (Silphium perfoliatum)

A plant for the back of the border, this grows to seven feet even in a dry season. For sun or part shade, in a soil that doesn't dry out. Probably best with some support to keep the stems upright. This clump is twenty yeas old and getting better and better every year



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This photo is of species Silphium perfoliatum.

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