Seeds are being harvested from native trees that will be removed to make way for Stage 4 of the Southern Feeder Road, which will run from Anson Street to Pinnacle Road.
Orange City Council has engaged horticulturist Bill Josh of Habitat Connect to harvest the seeds and propagate trees into advanced tube stock to be planted nearby once the road is finished.
More trees will be planted at other sites around Orange to increase the native tree population in the area.
Orange Mayor Reg Kidd said the propagation exercise was a condition of its approval. The Review of Environmental Factors into the project identified endemic species that were part of the Tablelands Snow Gum Woodlands Ecologically Endangered Community.
"Council wanted to ensure the impacts of the project on the environment were properly considered and adequate measures were taken to mitigate the effect of the Southern Feeder Road on these native tree species," Councillor Kidd said.
Mr Josh will propagate trees such as Apple Box (Eucalyptus bridgesiana) and Ribbon Gum (Eucalyptus viminalis).
He has been propagating native grasses, flowers and trees in the district for decades and did the same thing with another vulnerable species, the Black Gum (Eucalyptus aggregata), at Perthville for Bathurst Regional Council.
Mr Josh has been harvesting the local seeds for the last couple of weeks and will continue to gather seeds until Stage 4 gets underway. He expects to collect thousands of seeds.