Create New Tags
Go the Tags → type the name of the new tags in the "Search or Create Tags" bar, then choose Create. You can choose a color for your tag (this color will appear in your tag statistics)
Add Tags to Your Trees
There are three ways to add tags to your trees.
After you tap the "Plant" button and start your countdown, a pen icon will appear in the top left of the screen. Tap the pen icon to select a tag and add notes.
After you finish planting a tree, tap the icon in the middle to select a tag and add notes.
Go to your Forest page and click on your forest. Tap on the tree record you want to edit, and you can select a tag and add notes.
After you set a tag, go to your Forest page and scroll down to view your tag data as pie charts and a list of your favorite tree species (the species you most often plant)
Tap the title "Overview" to choose other tags to view.