Silphium terebinthinaceum (Prairie Dock)


This perennial plant is a classic of the tallgrass prairie. Frequently confused with sunflowers, its showy yellow flowers can tower over shorter plants.  Interestingly enough its leaves in the hot day's sun are substantially cooler than the surrounding air because it is constantly pulling cool water from deep in the earth and evaporating it through its leaves.

  • Sun Exposure Prairie/Savanna
  • Soil Conditions Wet Mesic, Mesic, Dry Mesic, Dry
  • Height: 8'
  • Flower Color yellow
  • Flower Time June-August
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    Photo By: Midwest Groundcovers


    $ 11.99



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