Rosharon is an unincorporated community in Brazoria County, Texas, United States. The area was first named Masterson’s Station after the Houston Tap, and Brazoria Railway was completed. George Wetmore Colles, a mechanical and electrical engineer, purchased property in this area around 1990. George named the property Rose of Sharon Garden Ranch after Cherokee Roses that grew in the area. The name was later shortened to Rosharon. George Wetmore Coles further designed a water system for the community. Antonio G. Arcaro was a postmaster and established the first general store in Rosharon. Tom Lochridge operated a gin whose engine was later used as the community’s first power plant.