Natives For Your Neighborhood
Conservation of rare plants, animals, and ecosystems

General Landscape Uses: Wildflower gardens.

Availability: Grown by enthusiasts.

Description: Annual wildflower 4-14 inches tall with threadlike leaves 0.5-3 inches long and small white flowers.

Dimensions: Typically 1 foot in height, stem up to two feet.

Range: Southern United States south to Sarasota and Martin counties. A population is also present in Dade county.

 Map of select IRC data from peninsular Florida.

 Map of suggested ZIP codes from South Florida north to southern Brevard, Osceola, Polk, and Pasco counties.

Habitats: Disturbed sites.

Soils: Moist to dry, well-drained sandy soils, without humus.

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: Moderate to high; plants growing in extremely dry soils may die during extended periods of drought.

Light Requirements: Full sun.

Flower Color: White.

Flower Characteristics: Semi-showy

Flowering Season: Spring.

Wildlife and Ecology: Larval host plant for black swallowtail (Papilio polyxenes) butterflies.

References: Hall (2020), 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.