Gifts for the Plant-Obsessed Coworker

You know the desk. There are six plants on it, one of them is climbing the monitor arm, and there was a whole thing in March when facilities tried to move them. This person is not subtle about the hobby, which makes them unusually easy to buy for.

Keep it desk-appropriate and keep it cheap — this is secret santa territory. A mug is the obvious answer because it will live on the desk in question and be seen by everyone who walks past, which is the actual objective.