Add TaskTree to your device, with its own icon, opening full screen.
Start again from empty: every tree, branch, leaf, bud and plant you created, in every grove, is deleted, except in a grove you can only read or have left. Your groves stay, and you stay signed in.
Everything you created in every grove — every tree, branch, leaf, bud and plant, in Personal and in every other grove — will be permanently deleted. This cannot be undone.
Lands in
Paste it, one thing per line, or pick a text file or a Todoist export (.csv).
It starts empty, with the same trees, garden bed and Loose ends a grove always has. What is in your other groves stays where it is.