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This late blooming perennial adds height and colorful spires to the end of summer shade garden. It prefers afternoon shade in the southern garden, but will tolerate sun further north.

Latin Name

Aconitum napellus



Also Known As

Queen of All Poisons Wolf's Bane Aconite

Type of Plant

Perennials Perennials

Bloom Season

July - August


Summer Summer


Max height Max Height: 4'
Max spread Max Spread: 1.5'


  • Flower Border

  • Sunlight Exposure

    Part Shade Part Shade
    Part Sun Part Sun
    Full Sun Full Sun


  • Deer
  • Rabbit

  • Toxicity

    Do not ingest Do not ingest
    Skin irritant Skin irritant
    Harmful to pets Harmful to pets


    Native Range

    Western and central Europe


    Lady Jean Skipwith enjoyed this purple flower in her Virginia garden in 1793.

    Other Details

    Pollinator Pollinator

    Planted at Mount Vernon

    Planted at Mount Vernon Upper Garden

  • Upper Garden

  • Hardiness Zones

    3a 3b 4a 4b 5a 5b 6a 6b 7a 7b USDA basemap

    Average annual extreme minimum temperature 1976-2005

    map legend 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b

    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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