General Landscape Uses:
Wildflower gardens.
Availability:
Grown by enthusiasts.
Description: Trailing wildflower with lobed leaves two inches long. Yellow flowers one inch wide that open at dusk and close by late morning.
Dimensions: Up to two feet in height.
Range:
Spread across the United States from Maine to North Dakota south to Arizona and throughout the state of Florida.
Map of select IRC data from peninsular Florida.
Habitats: Disturbed sites.
Soils: Dry to moist, well-drained sandy or limestone soils, with or without humusy top layer.
Salt Water Tolerance: Low; does not tolerate flooding by salt or brackish water.
Salt Wind Tolerance: Low; salt wind may burn the leaves.
Drought Tolerance: High; does not require any supplemental water once established.
Light Requirements: Full sun to light shade.
Flower Color: Yellow.
Flower Characteristics: Showy.
Flowering Season: All year.
Wildlife and Ecology: Attracts pollinators. Birds eat the seeds. Larval host of the gallium sphinx moth (Hyles gallii).
References: Hammer (
2016), Wunderlin and Hansen 2011
Comments: We have been adding data for this species for central and northern Florida and welcome any feedback or review. If you would like to contribute information or images, please contact George Gann via the IRC staff page.