What is the oldest tree in Copenhagen?

King Christian IV pursued a Danish silk industry the way several of his European contemporaries were doing in the early 1600s, by planting mulberry trees to feed silkworms rather than importing raw silk. Almost nothing survives of that venture beyond a street name, Silkegade, and this one tree, standing at Proviantgarden on Slotsholmen, part of the naval arsenal Christian IV built from 1603 to supply his warships. Tradition credits its planting to a sailor who brought the tree home from Asia rather than a court gardener, and it has stood long enough to have watched tall ships come and go from the harbor basin the arsenal once fronted, well before Slotsholmen became the seat of Denmark's parliament and courts. The island's naval buildings have since changed jobs entirely, now government offices rather than stores for rope and ships' biscuit, but the mulberry keeps leafing out every spring regardless. No precise planting date survives, only its association with Christian IV's long reign, which is why this project gives it a wide, honest age range rather than a single invented number.