Sun Exposure: Full sun to part sun
Origin: Southwestern USA (Colorado, Kansas, New Mexico, Oklahoma, Texas)
Growth Habits: Perennial, 18 to 40 inches tall (45-120 cm), 2 feet spread (60 cm); stems densely prickly, producing a heavy sap when damaged; leaves with deep notches, and main veins with prickles
Watering Needs: Little to moderate water
Propagation: Seeds in autumn, they can take several months to germinate
'Purity' is a selected variety with very white flowers.
Blooming Habits:
The Argemone squarrosa bears single white flowers, 3 to 4.5 inches in diameter (8-11 cm), with 6 wrinkled petals and a yellow center.
Culture:
Deadhead to prolong flowering.
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