Pineland Heliotrope (Euploca polyphylla)

Full sun to part shade
Low to average water needs
Bloom time: Spring/Summer/Fall
Size: 0.5-1ft tall x sprawling

Price: $6.99 (1 gal)

https://www.fnps.org/plants/plant/euploca-polyphylla

https://florida.plantatlas.usf.edu/Plant.aspx?id=1024