There is potential name confusion with this species since it was formerly considered to be a subspecies of O. hirtellus (Oplismenus hirtellus subsp. s , Tolerance, Not salt tolerant of inundation by salty or brackish water. Moderate. Tolerant of salty wind and may get some salt spray. Exposure to salt spray wo , Considertions, Unfortunately, this low growing grass is not visible during winter-spring, so its use is somewhat restricted to areas where this is not an issue. , Habitat, Moist sites. Shade. Moist hammocks. , Did You Know?, Interesting foliage Larval host for Carolina satyr (Hermeuptychia sosbius) butterfliy (IRC)

Can be grown as a groundcover. This is a species on the southern limits of its range in North Florida.  Its known occurrence (ISB 2020) is sparse in F , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, In Florida, basal leaves are typically visible during the winter. , Wildlife, Several cavity-nesting birds use yarrow to line their nests. Adding yarrow to nests may inhibit the growth of parasites. Some small birds eat the seed , Habitat, Ruderal. , Did You Know?, Showy flowers, Interesting foliage Attracts butterflies, bees, and other insect pollinators. Attracts bees and butterflies. Larval host for Painted L

Rarely grown but worthy of consideration for moist areas. Poisonous and nectar may be toxic to some insects. Grow on support or up a tree in moist ar , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, The flowers, leaves, and roots are poisonous and may be lethal to humans and livestock. The species nectar may also be toxic to honeybees if too much , Wildlife, Possibly used by hummingbirds, but toxins in the nectar may make it a last resort. , Habitat, Bogs, acidic swamps, wet river swamps. , Did You Know?, Showy flowers, Interesting foliage Attracts bees.

Hedge plant. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Some tolerance to salty wind but not direct salt spray. , Considertions, In unburned natural wetlands, this plant sometimes form almost impenetrable thickets along the edge. , Wildlife, Birds and other wildlife consume the fruit. , Habitat, Swampy sites, wet pine flatwoods, sloughs and edges of cypress swamps, seepage swamps and bogs, savannas, other wet depressional areas. , Did You Know?, Fall color, Showy flowers, Showy fruits, Interesting foliage Attracts bees (https://wildflower.org).