Scutellaria lateriflora (Mad Dog Skullcap)


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Plant Description: Mad Dog (also commonly called Blue Skullcap) is a medicinal native herb in the mint family with opposite leaves and one sides blue-purple flowers that look similar to tiny snapdragons. Grows in very damp locations and tolerates some shade. Used medicinally for nervous system support and as a mild sedative in teas and tinctures. 


  • Height: 2-3 ft
  • Width: 1.5-2.5 ft
  • Watering needs: moist
  • Sun needs: sun to part shade
  • Soil needs: moist, marshy soil
  • Bloom Time: July-August
  • Portland Plant List (Backyard Habitat Certification): No

Landscape Use and Ecological Function: Native to parts of Oregon including Multnomah County, parts of Canada, and most states. Most commonly found in moist, wet, marshy locations, wet meadows, sloughs, and streams. Great for rain garden edges or near ponds. Attracts bees, hummingbirds, and is both deer and rabbit tolerant. 

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