[1] Robert Cosgrove, the longest-serving premier of Tasmania, was born at Tea Tree in 1884.

He served two terms as premier, 1939–47 and 1948–58, as leader of the Australian Labor Party.

[4] The C321 route (Tea Tree Road) enters from the west and runs through via the town to the north-east, where it exits.

Route C322 (Middle Tea Tree Road) starts at an intersection with C321 and runs south-east until it exits.

Route C323 (Back Tea Tree Road) starts at an intersection with C321 on the western boundary and runs south-east through the locality until it exits.