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A favorite in the Mount Vernon gardens, this annual reseeds readily. Its pink, blue, and white flowers add height to the spring border.

Latin Name

Consolida ajacis



Also Known As

Doubtful knight's spur

Type of Plant

Annuals Annuals

Bloom Season

May - June


Spring Spring


Max height Max Height: 4'
Max spread Max Spread: 2'


  • Annual
  • Flower Border

  • Sunlight Exposure

    Full Sun Full Sun
    Part Shade Part Shade


    Do not ingest Do not ingest


    Native Range



    This is one of the few flowers mentioned in George Washington's letters. William Gordon remarks in a letter from September of 1787 that he has "sent you three quarters of a pound of larkspur to make the garden gay."

    Other Details

    Grown by Washington Grown by Washington
    Sold at Mount Vernon Sold at Mount Vernon

    Planted at Mount Vernon

    Planted at Mount Vernon Upper Garden

  • Upper Garden

  • Hardiness Zones

    USDA basemap

    Average annual extreme minimum temperature 1976-2005

    map legend

    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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