Add one of your existing tree:
Just go to your tree list, select a tree and click on "Add to a forest".

Plant a new tree:
Discover the species you can plant in this forest and plant one!

Win a new tree:
Select one of the many easy actions that will make you win free trees.

Tip: Please note that a forest belongs to a specific plantation and not all species are available on each plantations. Therefore only some specific species are allowed to be planted in this forest. Once on your tree page click on "Add to a forest". You will then see which forests are available for this tree species.