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On June 18, 1767 Thomas Jefferson recorded in his Garden Book that "Argemone put out one flower" in his garden at Shadwell. On July 18 he noted another Prickly Poppy flower and observed that it was "the 4th this year," a testament to Jefferson's almost childlike appreciation of the natural world around him. Philadelphia nurseryman Bernard McMahon sold Prickly Poppy, "Mexican Argemone," in 1804. This hardy annual grows to two feet and produces pale yellow flowers and attractive green and white variegated leaves tipped with prickly spines.
Visit Monticello’s Online Shop to check for seeds or plants of Prickly Poppy.
Typical Blooming Dates: June - November
Color(s): Yellow
Location at Monticello: West Law
