Silphiuim compositum ssp. reniforme is outstanding in leaf as well as in flower

Silphium compositum ssp. reniforme

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silcomren
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Description

Silphium compositum ssp. reniforme culture and characteristics:

Sun; well-drained soil; drought-tolerant; 6'x3'; summer bloom. Zone 5.

Native to southeast US

Propagated from seed; deep 3.5-inch pots

Photos: Ken Kneidel