Silphium terebinthinaceum Bain Relief Rubus but never invasive

but never invasive

the flower stalks rise to over 7' tall

a true superstar of the shade garden

grey-green leaves outright

I next saw the stable form four years later in Roy Herold's Massachusetts garden

Silphium terebinthinaceum Bain Relief Rubus but never invasiveSilphium 'Bain Relief' is a 2026 Plant Delights JLBG introduction of a 2013 Zac Hill collection from Bain's Gap in Calhoun County, Alabama. With a native range from northern Wisconsin to central Alabama, this collection of prairie rosinweed is from the far southern end of its natural range. These genetics produce a bold textured plant that's 3' tall x 6' wide, composed of sandpaper textured green leaves that measure 15" long x 8" wide. The clumps are