Downy Phlox (Phlox pilosa)

Full sun - part shade
Low water needs
Size: 1 ft tall x up to 1 ft wide
Bloom time: Spring-Fall

Polk County native. White to pink blooms. Open sandy soil.

http://hawthornhillwildflowers.blogspot.com/2009/09/downy-phlox-phlox-pilosa.html
https://florida.plantatlas.usf.edu/Plant.aspx?id=3487