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Boston Marrows are large, bright orange squashes that can weigh anywhere between 10 and 50 lbs., although 25 lbs. is more common. They are an excellent eating squash and can be turned into soups or pies.

Latin Name

Cucurbita maxima 'Boston Marrow



Type of Plant

Annuals Annuals
Vegetables Vegetables

Bloom Season

July - September


Summer Summer
Fall Fall


Max height Max Height: 1.5'
Max spread Max Spread: 15'


  • Annual
  • Edible
  • Ornamental
  • Vegetable

  • Sunlight Exposure

    Full Sun Full Sun


    Native Range

    South America

    Other Details

    Pollinator Pollinator

    Planted at Mount Vernon

    Planted at Mount Vernon Fruit Garden & Nursery Pioneer Farm

  • Fruit Garden & Nursery
  • Pioneer Farm

  • 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.

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

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