Cup Plant (Silphium perfoliatum)

Light:

Sun or very light shade

Flowering:

Mid to late summer

Soil:

Average to damp soil

Height:

72 to 96 inches

Color:

Yellow

Hardiness:

Zone 3 native

Uses:

Large gardens and backdrop. Seeds are loved by finches.

Care:

An imposing plant that requires space. The leaves form cups against the stems, which trap water - another attraction for birds. I've had this against the barn and on a woodland edge. Very fun.

Native:

Yes