Changes grass growth speed. Install Install SMAPI 2.0+. Unzip the mod folder into Stardew Valley/Mods. Change the speed in the config file located in Stardew Valley/Mods/FasterGrass/config.json. (game default: 0, mod default: 3) Run the game using SMAPI. Extra info The grass grows through the night. Big numbers (50+) can make the grass spread to every free tile in the farm. Recommended(0 - 10). Should work with every mod. To uninstall delete Stardew Valley/Mods/FasterGrass.
