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Planted at Mount Vernon

  • Upper Garden

  • Hardiness Zones

    Average annual extreme minimum temperature 1976-2005

    This tall, late blooming perennial adds a pleasant blue to shady glades in the summer. Native to Virginia, it is often found along stream banks and in wetland areas. It self seeds enthusiastically.


    Seeds available to purchase from Mount Vernon

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    Latin Name

    Lobelia siphilitica



    Also Known As

    Indian-tobacco , Pukeweed , Eyebright

    Type of Plant


    Bloom Season

    July - September




    Max Height: 3'
    Max Spread: 1.5'


  • Flower Border
  • Naturalize
  • Rain Garden

  • Sunlight Exposure

    Full Sun
    Part Shade
    Full Shade
    Part Sun


  • Deer
  • Heavy Shade
  • Wet Soil

  • Toxicity

    Do not ingest
    Skin irritant
    Harmful to pets


    Native Range

    Eastern North America


    The plantsman John Bartram of Philadelphia offered Great Blue Lobelia in his catalog by 1770.

    Other Details

    Sold at Mount Vernon

    Bartlett Tree Expert Company has been working with Mount Vernon Estate since 2011 providing expert arboricultural care and GPS mapping for the estate’s historic trees, as well as support from their research facility.   Mount Vernon is proud to partner with Bartlett Tree Experts and appreciates their sponsorship of George Washington’s Mount Vernon Plant Finder App.

    Bring Washington's Garden Home

    Purchase our historic seeds, collected from plants grown at Mount Vernon and plant them in your own garden.

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