What's the name of the service when a Christmas tree is sold in a pot, you only lease it, pay a price plus a deposit, and the tree can be taken back to the seller after Christmas, so they can replant it and sell it again next year, and you get back the deposit? Christmas tree recycling, or does that mean something else?
There are no services which do this in a widespread manner as evergreens (the primary type of trees) do poorly when left potted. If a term is needed then "Christmas tree recycling" should be satisfactory.
These are called living Christmas trees. They are typically only potted during the Christmas season and are replanted at the tree farm for the rest of the year. These services claim something like a 80% survival rate for these trees.
I heard a story on this on NPR recently. I'll try to dig up a link.
Here's a company who does this