Redeeming codes in Grow a Garden is really easy, and can be done regardless of how much time you've put into the game (so no need to complete a tutorial, or anything like that). All you need to do is: ...
If you aren’t sure how to redeem in AU Reborn, you can find out how below in the FAQ! Make sure to favorite this page by pressing CTRL + D on your keyboard or use the Add to Bookmark button on mobile.