As the name infers, the flowers of this plant open at night. Once the sun starts coming up, the flowers will begin to wilt. By night fall the flowers , Tolerance, Not salt tolerant of inundation by salty or brackish water. Some tolerance to salty wind but not direct salt spray. , Considertions, This species can be weedy. , Wildlife, Bobwhite, mourning dove and gold finches feed on the seeds , Habitat, Cutleaf evening-primrose is found most often in sandy and limerock based soils, and favors disturbed areas. , Did You Know?, Showy flowers Attracts native bees, butterflies and moths.  Especially interesting to native bees.

This species is listed as invasive in parts of the world where it is not native. Water garden, planting of surface water management pond. Often used , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Habitat, Water. Ponds, lakes, quiet streams, swampa, ditches, canals. This species can be seen in the Lower Hillsborough Flood Detention Area in Hillsborough , Did You Know?, Showy flowers Pollinated by bees and flies.