On November 4th, 2015, Pastor Peter Nauhauser (2nd from left with spade), accompanied by staff members of the congregation and members of the parish council, planted a silver linden tree on behalf of the Trinity Church in Rottenburg a. d. Laaber, Germany.
On July 5th, 2015, during a parish festival, Pastor Peter Nauhauser, Lay Preacher Karin Nauhauser, Lector Werner Prause, Lector Willi von der Heiden, and members of the church council planted a Topaz apple tree as partner tree on the grounds of the Trinity Church in Rottenburg a. d. Laaber, Germany.