Frequently there are light tannish fleckings on each side between the mid-dorsal and lateral stripes. The belly is uniform whitish-blue. The scales of the upper lip are outlined with black markings. The scales are keeled , and there are 19 dorsal scale rows at midbody. The pupil is round.
Juveniles are similar to that of adults.
It occurs along the Florida Gulf coast from eastern Wakulla Co. in the panhandle south to Hernando Co. in the central peninsula. It is not found outside of Florida. Commonly found in pinelands, hardwood hammocks, cypress strands, prairies, and marshes. The bluestripe garter snake is terrestrial and active during the day. It is frequently found along the banks of canals and ditches, and around houses in residential areas.