It is found in southwestern Nova Scotia along the coastal plain and neighbouring islands and in the southeastern portion of Maine.

[2][3] Agalinis neoscotica is an annual herb, growing up to 18 in (0.46 m) tall.

[4] It has a "mixed" mating strategy and is able to delay self-pollinating germination.

It also occurs in Washington county, Maine in the United States.

[6] Its habitats include bogs, brackish or salt marshes and flats, coastal beaches, fresh tidal marshes or flats, and wetland margins.