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This plant is said to grow outdoors in the following regions:
Clanton, Alabama
Booneville, Arkansas
Coushatta, Louisiana
Greenfield, New Hampshire
Eden, New York
Fayetteville, New York
Grove City, Ohio
Murfreesboro, Tennessee
Arlington, Texas
San Antonio, Texas
Virginia Beach, Virginia
Different from P. virginiana in blooming time (blooms in early summer vs. late summer, early fall for P. virginiana).
Different from P. virginiana in blooming time (blooms in early summer vs. late summer, early fall for P. virginiana).