Prickly Poppy

Argemone mexicana

[argemone_mexicana]

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.

Growth Type: Annual Color(s): Yellow Hardiness Zones: 1 - 10 Location at Monticello: West Lawn Planting Conditions: Full Sun Map it:

Visit Monticello's Online Shop to check for seeds or plants of Prickly Poppy.

Blooming Dates 2000: Jan 1 – May 112002: May 4 – Jul 52003: Aug 22 – Nov 142004: May 14 – Jul 192005: Jul 20 – Nov 152006: Jun 1 – Nov 152007: Jun 14 – Nov 152008: Jul 11 – Oct 312009: Jun 11 – Nov 162010: May 24 – Jun 282010: Aug 31 – Nov 302011: Jun 14 – Aug 152012: May 24 – Jul 202013: Jul 16 – Dec 42014: May 23 – current