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Silphium integrifolium
at Digging Dog

Silphium integrifolium

August–September.

Silphium

Silphium integrifolium full sun

Bursting with optimism, this grandiose Midwestern native and Sunflower relative pushes a colony of stout and singular, erect stalks skyward. Coarse textured, rough-hewn lanceolate leaves march up purple-tinged stems, which branch out near their tops to deliver vivacious, 3 in. wide yellow daisies late in the season.

Beloved by songbirds and butterflies, long blooming and undaunted by heavy clay, Silphium integrifolium is undeniably tough and well suited for natural areas or borders alongside tall perennials such as Phlox ‘David’ or Salvia ‘Blue Ensign’.

Size: 4' 0"–6' 0" high x 2' 0" wide; hardy to zone 5.

Silphium integrifolium (P-1403)
Each $7.75
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