Verbena hastata (Swamp Verbena)


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Plant Description: In the Verbena family and native to the Willamette Valley, Swamp Verbena is a tall growing flowering perennial with spiked shaped, multi-stemmed purple flowers. Swamp Vervain has historically been used medicinally to treat depression, headaches, menstrual symptoms, and fevers as well as topically for acne. Swamp Verbena has been known to interact with hormone treatment and can interact with blood pressure medications and can cause nausea in large doses. 


  • Height: 2-6 ft
  • Width: 2ft
  • Watering needs: wet
  • Sun needs: Full sun-part shade
  • Soil needs: Moist with less drainage
  • Bloom Time: Summer
  • Portland Plant List (Backyard Habitat Certification): No

Landscape Use and Ecological Function: Found in wet meadows and wet forest edges, often forming thickets. Add to your meadow scapes or rain gardens to attract a plethora of bumble bees. 

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