Compass plant (Silphium laciniatum) is a tall perennial herb of cold semi-arid prairies and glades across the central Great Plains, its resin chewed as a gum substitute and its root used medicinally.
Inputs
- Hardiness zone 41
- Hardiness zone 51
- Hardiness zone 61
- Hardiness zone 71
- Hardiness zone 81
- Full sun1
- Semi-shade1
- Moist soil1