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Sweet William

Dianthus barbatus
Sweet William was one of Jefferson's favorite herbaceous ornamentals. He observed "sweet William began to open" at Shadwell on April 16, 1767, reported flowers in May and June of 1782, and also planted this biennial in an oval flower bed at Monticello in 1807. This species is often associated with early American Gardens and continues to be cherished for its red, pink, and white blooms.
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Growth Type: 
Biennial
Color(s): 
Pink, Reds, White
Hardiness Zones: 
Zone 1, Zone 2, Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9, Zone 10
Location at Monticello: 
West Lawn
Planting Conditions: 
Full sun to partial shade
Blooming History: 
May 4, 2001 to June 20, 2001April 15, 2002 to July 5, 2002April 30, 2003 to July 25, 2003May 5, 2004 to July 19, 2004May 2, 2005 to July 1, 2005April 28, 2006 to June 30, 2006April 30, 2007 to June 25, 2007May 2, 2008 to June 24, 2008May 11, 2009 to July 4, 2009May 10, 2010 to August 1, 2010May 10, 2011 to June 28, 2011April 25, 2012 to November 7, 2012May 7, 2013 to September 28, 2013May 1, 2014 to June 26, 2014May 11, 2015 to September 1, 2015May 5, 2016 to September 5, 2016May 18, 2017 to September 15, 2017May 30, 2018 to October 3, 2018May 13, 2019

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