 
				
				
					Silphium terebinthinaceum 
Prairie Dock
| Family | 
| Asteraceae | 
| Genus | 
| Silphium | 
| Species | 
| terebinthinaceum | 
| Category | 
| Perennials, Weeds | 
| USDA Hardiness Zone | 
| 4 - 8 | 
| Height | 
| .5 - 3 m | 
| Spread | 
| 30 - 90 cm | 











 
	| Landscape | 
| Works well in gardens, as well as in the rear of borders. | 
| Shape | 
| This plant is tall, and has tendancies to lean. | 
| Leaf Description | 
| The leaves on this plant are heart shaped and dark green in colour. | 
| Flower Description | 
| This plant produces yellow flowers, slightly resembling sunflowers. | 
| Notable Specimens | 
| Spooky Hollow, Port Dover, Ontario, Canada. |