You can turn off game notifications for Bud Farm: Grass Roots by doing the following:
- Open up your device's settings menu, and tap on "Settings"
- Scroll to find the Bud Farm: Grass Roots app and tap on it
- From here, you can check or un-check "Show Notifications"
That should do it! If you ever want them back on repeat these steps but flip them on instead of off! :)