Save Georgia's Hemlocks wants your help preserving a native tree Margaret Rasmussen, executive director of the Redbud Project, examines a hemlock tree branch at Linwood Nature Preserve in Gainesville on Thursday, July 18, 2019. Save Georgia’s Hemlocks will be hosting a class about preserving the endangered trees. - photo by Austin Steele Save Georgia’s Hemlocks wants you in the fight.