Compass Plant (Silphium laciniatum)

Compass Plant (Silphium laciniatum)

Compass plants rises above the summer prairie with thick stalks loaded with large yellow flowers. Deep roots help it survive droughts. Birds can be seen eating the seeds in fall and winter, making it a valuable plant for bird lovers.


Sun:    Full Sun, Part Shade
Moisture:    Dry, Medium, Medium-Wet
Height:    8 feet
Blooms:    June, July, Aug, Sept
Color:    Yellow
Spacing:    3-4′
Zones:    3-9
Benefits:    Butterflies, Pollinators, Birds

Design Tips

Compass Plant adds vertical height in gardens when scattered throughout. Can be overwhelming if planted in a large group.

Companion Plants

Big Bluestem
Royal Catchfly
Prairie Blazing Star
Little Bluestem