Canada's Plant Hardiness Site

Choose a species from the list below.

Email us if the plant you wish to report is not listed on the site, or to report any nomenclature errors.

family: Asteraceae

Silphium brachiatum
Silphium integrifolium rosin weed
Silphium integrifolium var. integrifolium
Silphium laciniatum compass plant
Silphium perfoliatum cup plant,cup rosinweed,compass plant,Indian cup,ragged cup,carpenter weed
Silphium perfoliatum var. perfoliatum cup plant,cup rosinweed,compass plant,Indian cup,ragged cup,carpenter weed
Silphium terebinthinaceum prairie dock
Silphium terebinthinaceum var. terebinthinaceum
Silphium wasiotense