Trees spread naturally over time, they'll grow around anywhere the player visits, but only on grass and dirt areas, not concrete or any man-made tiles or sandy deserts etc. This originally was msakuta's mod! I simply patched it to version 0.16 of Factorio.
Version: 1.1
Date: 12. 06. 2021
Changes:
- Release 1.1
Version: 0.18.0
Date: 28. 01. 2020
Changes:
- Release 0.18
Version: 0.17.0
Date: 04. 03. 2019
Changes:
- Release 0.17
- changelog & thumbnail
Version: 0.3.1
Date: 04. 01. 2018
Added:
- implemented configuration options (en, de) -> config.lua is obsolete
Version: 0.3.0
Date: 31. 12. 2017
Changes:
- Release 0.16, simply edited info.json