Arnoglossum atriplicifolium

A massive forb from moist open woodlands of the central and eastern U.S., pale Indian plantain forms imposing clumps of glaucous fan-shaped foliage, which give rise (and we mean RISE) to statuesque, leafy stalks topped by branching clusters of white flowers. It's makes an arresting architectural feature for a large border.

Full sun to light shade; average to moist soil; 6'x5'; summer; Zone 4

Propagated from seed; deep 3.5-inch pots

Photo: Lauren McLaurin